diff --git a/Makefile b/Makefile index 855e71066174..b8a90f9a463d 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ VERSION = 4 PATCHLEVEL = 4 -SUBLEVEL = 41 +SUBLEVEL = 42 EXTRAVERSION = NAME = Blurry Fish Butt diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi index a9977d6ee81a..169653586a9f 100644 --- a/arch/arm/boot/dts/r8a7794.dtsi +++ b/arch/arm/boot/dts/r8a7794.dtsi @@ -1023,7 +1023,7 @@ mstp7_clks: mstp7_clks@e615014c { compatible = "renesas,r8a7794-mstp-clocks", "renesas,cpg-mstp-clocks"; reg = <0 0xe615014c 0 4>, <0 0xe61501c4 0 4>; - clocks = <&mp_clk>, <&mp_clk>, + clocks = <&mp_clk>, <&hp_clk>, <&zs_clk>, <&p_clk>, <&p_clk>, <&zs_clk>, <&zs_clk>, <&p_clk>, <&p_clk>, <&p_clk>, <&p_clk>; #clock-cells = <1>; diff --git a/arch/arm/crypto/aes-ce-glue.c b/arch/arm/crypto/aes-ce-glue.c index 593da7ffb449..679c589c4828 100644 --- a/arch/arm/crypto/aes-ce-glue.c +++ b/arch/arm/crypto/aes-ce-glue.c @@ -87,8 +87,13 @@ static int ce_aes_expandkey(struct crypto_aes_ctx *ctx, const u8 *in_key, u32 *rki = ctx->key_enc + (i * kwords); u32 *rko = rki + kwords; +#ifndef CONFIG_CPU_BIG_ENDIAN rko[0] = ror32(ce_aes_sub(rki[kwords - 1]), 8); rko[0] = rko[0] ^ rki[0] ^ rcon[i]; +#else + rko[0] = rol32(ce_aes_sub(rki[kwords - 1]), 8); + rko[0] = rko[0] ^ rki[0] ^ (rcon[i] << 24); +#endif rko[1] = rko[0] ^ rki[1]; rko[2] = rko[1] ^ rki[2]; rko[3] = rko[2] ^ rki[3]; diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index 676997895e13..f5f81a107309 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -298,6 +298,16 @@ static struct clk emac_clk = { .gpsc = 1, }; +/* + * In order to avoid adding the emac_clk to the clock lookup table twice (and + * screwing up the linked list in the process) create a separate clock for + * mdio inheriting the rate from emac_clk. + */ +static struct clk mdio_clk = { + .name = "mdio", + .parent = &emac_clk, +}; + static struct clk mcasp_clk = { .name = "mcasp", .parent = &pll0_sysclk2, @@ -462,7 +472,7 @@ static struct clk_lookup da850_clks[] = { CLK(NULL, "arm", &arm_clk), CLK(NULL, "rmii", &rmii_clk), CLK("davinci_emac.1", NULL, &emac_clk), - CLK("davinci_mdio.0", "fck", &emac_clk), + CLK("davinci_mdio.0", "fck", &mdio_clk), CLK("davinci-mcasp.0", NULL, &mcasp_clk), CLK("da8xx_lcdc.0", "fck", &lcdc_clk), CLK("da830-mmc.0", NULL, &mmcsd0_clk), diff --git a/arch/arm64/crypto/aes-ce-ccm-core.S b/arch/arm64/crypto/aes-ce-ccm-core.S index a2a7fbcacc14..3363560c79b7 100644 --- a/arch/arm64/crypto/aes-ce-ccm-core.S +++ b/arch/arm64/crypto/aes-ce-ccm-core.S @@ -9,6 +9,7 @@ */ #include +#include .text .arch armv8-a+crypto @@ -19,7 +20,7 @@ */ ENTRY(ce_aes_ccm_auth_data) ldr w8, [x3] /* leftover from prev round? */ - ld1 {v0.2d}, [x0] /* load mac */ + ld1 {v0.16b}, [x0] /* load mac */ cbz w8, 1f sub w8, w8, #16 eor v1.16b, v1.16b, v1.16b @@ -31,7 +32,7 @@ ENTRY(ce_aes_ccm_auth_data) beq 8f /* out of input? */ cbnz w8, 0b eor v0.16b, v0.16b, v1.16b -1: ld1 {v3.2d}, [x4] /* load first round key */ +1: ld1 {v3.16b}, [x4] /* load first round key */ prfm pldl1strm, [x1] cmp w5, #12 /* which key size? */ add x6, x4, #16 @@ -41,17 +42,17 @@ ENTRY(ce_aes_ccm_auth_data) mov v5.16b, v3.16b b 4f 2: mov v4.16b, v3.16b - ld1 {v5.2d}, [x6], #16 /* load 2nd round key */ + ld1 {v5.16b}, [x6], #16 /* load 2nd round key */ 3: aese v0.16b, v4.16b aesmc v0.16b, v0.16b -4: ld1 {v3.2d}, [x6], #16 /* load next round key */ +4: ld1 {v3.16b}, [x6], #16 /* load next round key */ aese v0.16b, v5.16b aesmc v0.16b, v0.16b -5: ld1 {v4.2d}, [x6], #16 /* load next round key */ +5: ld1 {v4.16b}, [x6], #16 /* load next round key */ subs w7, w7, #3 aese v0.16b, v3.16b aesmc v0.16b, v0.16b - ld1 {v5.2d}, [x6], #16 /* load next round key */ + ld1 {v5.16b}, [x6], #16 /* load next round key */ bpl 3b aese v0.16b, v4.16b subs w2, w2, #16 /* last data? */ @@ -60,7 +61,7 @@ ENTRY(ce_aes_ccm_auth_data) ld1 {v1.16b}, [x1], #16 /* load next input block */ eor v0.16b, v0.16b, v1.16b /* xor with mac */ bne 1b -6: st1 {v0.2d}, [x0] /* store mac */ +6: st1 {v0.16b}, [x0] /* store mac */ beq 10f adds w2, w2, #16 beq 10f @@ -79,7 +80,7 @@ ENTRY(ce_aes_ccm_auth_data) adds w7, w7, #1 bne 9b eor v0.16b, v0.16b, v1.16b - st1 {v0.2d}, [x0] + st1 {v0.16b}, [x0] 10: str w8, [x3] ret ENDPROC(ce_aes_ccm_auth_data) @@ -89,27 +90,27 @@ ENDPROC(ce_aes_ccm_auth_data) * u32 rounds); */ ENTRY(ce_aes_ccm_final) - ld1 {v3.2d}, [x2], #16 /* load first round key */ - ld1 {v0.2d}, [x0] /* load mac */ + ld1 {v3.16b}, [x2], #16 /* load first round key */ + ld1 {v0.16b}, [x0] /* load mac */ cmp w3, #12 /* which key size? */ sub w3, w3, #2 /* modified # of rounds */ - ld1 {v1.2d}, [x1] /* load 1st ctriv */ + ld1 {v1.16b}, [x1] /* load 1st ctriv */ bmi 0f bne 3f mov v5.16b, v3.16b b 2f 0: mov v4.16b, v3.16b -1: ld1 {v5.2d}, [x2], #16 /* load next round key */ +1: ld1 {v5.16b}, [x2], #16 /* load next round key */ aese v0.16b, v4.16b aesmc v0.16b, v0.16b aese v1.16b, v4.16b aesmc v1.16b, v1.16b -2: ld1 {v3.2d}, [x2], #16 /* load next round key */ +2: ld1 {v3.16b}, [x2], #16 /* load next round key */ aese v0.16b, v5.16b aesmc v0.16b, v0.16b aese v1.16b, v5.16b aesmc v1.16b, v1.16b -3: ld1 {v4.2d}, [x2], #16 /* load next round key */ +3: ld1 {v4.16b}, [x2], #16 /* load next round key */ subs w3, w3, #3 aese v0.16b, v3.16b aesmc v0.16b, v0.16b @@ -120,47 +121,47 @@ ENTRY(ce_aes_ccm_final) aese v1.16b, v4.16b /* final round key cancels out */ eor v0.16b, v0.16b, v1.16b /* en-/decrypt the mac */ - st1 {v0.2d}, [x0] /* store result */ + st1 {v0.16b}, [x0] /* store result */ ret ENDPROC(ce_aes_ccm_final) .macro aes_ccm_do_crypt,enc ldr x8, [x6, #8] /* load lower ctr */ - ld1 {v0.2d}, [x5] /* load mac */ - rev x8, x8 /* keep swabbed ctr in reg */ + ld1 {v0.16b}, [x5] /* load mac */ +CPU_LE( rev x8, x8 ) /* keep swabbed ctr in reg */ 0: /* outer loop */ - ld1 {v1.1d}, [x6] /* load upper ctr */ + ld1 {v1.8b}, [x6] /* load upper ctr */ prfm pldl1strm, [x1] add x8, x8, #1 rev x9, x8 cmp w4, #12 /* which key size? */ sub w7, w4, #2 /* get modified # of rounds */ ins v1.d[1], x9 /* no carry in lower ctr */ - ld1 {v3.2d}, [x3] /* load first round key */ + ld1 {v3.16b}, [x3] /* load first round key */ add x10, x3, #16 bmi 1f bne 4f mov v5.16b, v3.16b b 3f 1: mov v4.16b, v3.16b - ld1 {v5.2d}, [x10], #16 /* load 2nd round key */ + ld1 {v5.16b}, [x10], #16 /* load 2nd round key */ 2: /* inner loop: 3 rounds, 2x interleaved */ aese v0.16b, v4.16b aesmc v0.16b, v0.16b aese v1.16b, v4.16b aesmc v1.16b, v1.16b -3: ld1 {v3.2d}, [x10], #16 /* load next round key */ +3: ld1 {v3.16b}, [x10], #16 /* load next round key */ aese v0.16b, v5.16b aesmc v0.16b, v0.16b aese v1.16b, v5.16b aesmc v1.16b, v1.16b -4: ld1 {v4.2d}, [x10], #16 /* load next round key */ +4: ld1 {v4.16b}, [x10], #16 /* load next round key */ subs w7, w7, #3 aese v0.16b, v3.16b aesmc v0.16b, v0.16b aese v1.16b, v3.16b aesmc v1.16b, v1.16b - ld1 {v5.2d}, [x10], #16 /* load next round key */ + ld1 {v5.16b}, [x10], #16 /* load next round key */ bpl 2b aese v0.16b, v4.16b aese v1.16b, v4.16b @@ -177,14 +178,14 @@ ENDPROC(ce_aes_ccm_final) eor v0.16b, v0.16b, v2.16b /* xor mac with pt ^ rk[last] */ st1 {v1.16b}, [x0], #16 /* write output block */ bne 0b - rev x8, x8 - st1 {v0.2d}, [x5] /* store mac */ +CPU_LE( rev x8, x8 ) + st1 {v0.16b}, [x5] /* store mac */ str x8, [x6, #8] /* store lsb end of ctr (BE) */ 5: ret 6: eor v0.16b, v0.16b, v5.16b /* final round mac */ eor v1.16b, v1.16b, v5.16b /* final round enc */ - st1 {v0.2d}, [x5] /* store mac */ + st1 {v0.16b}, [x5] /* store mac */ add w2, w2, #16 /* process partial tail block */ 7: ldrb w9, [x1], #1 /* get 1 byte of input */ umov w6, v1.b[0] /* get top crypted ctr byte */ diff --git a/arch/arm64/crypto/aes-ce-cipher.c b/arch/arm64/crypto/aes-ce-cipher.c index f7bd9bf0bbb3..50d9fe11d0c8 100644 --- a/arch/arm64/crypto/aes-ce-cipher.c +++ b/arch/arm64/crypto/aes-ce-cipher.c @@ -47,24 +47,24 @@ static void aes_cipher_encrypt(struct crypto_tfm *tfm, u8 dst[], u8 const src[]) kernel_neon_begin_partial(4); __asm__(" ld1 {v0.16b}, %[in] ;" - " ld1 {v1.2d}, [%[key]], #16 ;" + " ld1 {v1.16b}, [%[key]], #16 ;" " cmp %w[rounds], #10 ;" " bmi 0f ;" " bne 3f ;" " mov v3.16b, v1.16b ;" " b 2f ;" "0: mov v2.16b, v1.16b ;" - " ld1 {v3.2d}, [%[key]], #16 ;" + " ld1 {v3.16b}, [%[key]], #16 ;" "1: aese v0.16b, v2.16b ;" " aesmc v0.16b, v0.16b ;" - "2: ld1 {v1.2d}, [%[key]], #16 ;" + "2: ld1 {v1.16b}, [%[key]], #16 ;" " aese v0.16b, v3.16b ;" " aesmc v0.16b, v0.16b ;" - "3: ld1 {v2.2d}, [%[key]], #16 ;" + "3: ld1 {v2.16b}, [%[key]], #16 ;" " subs %w[rounds], %w[rounds], #3 ;" " aese v0.16b, v1.16b ;" " aesmc v0.16b, v0.16b ;" - " ld1 {v3.2d}, [%[key]], #16 ;" + " ld1 {v3.16b}, [%[key]], #16 ;" " bpl 1b ;" " aese v0.16b, v2.16b ;" " eor v0.16b, v0.16b, v3.16b ;" @@ -92,24 +92,24 @@ static void aes_cipher_decrypt(struct crypto_tfm *tfm, u8 dst[], u8 const src[]) kernel_neon_begin_partial(4); __asm__(" ld1 {v0.16b}, %[in] ;" - " ld1 {v1.2d}, [%[key]], #16 ;" + " ld1 {v1.16b}, [%[key]], #16 ;" " cmp %w[rounds], #10 ;" " bmi 0f ;" " bne 3f ;" " mov v3.16b, v1.16b ;" " b 2f ;" "0: mov v2.16b, v1.16b ;" - " ld1 {v3.2d}, [%[key]], #16 ;" + " ld1 {v3.16b}, [%[key]], #16 ;" "1: aesd v0.16b, v2.16b ;" " aesimc v0.16b, v0.16b ;" - "2: ld1 {v1.2d}, [%[key]], #16 ;" + "2: ld1 {v1.16b}, [%[key]], #16 ;" " aesd v0.16b, v3.16b ;" " aesimc v0.16b, v0.16b ;" - "3: ld1 {v2.2d}, [%[key]], #16 ;" + "3: ld1 {v2.16b}, [%[key]], #16 ;" " subs %w[rounds], %w[rounds], #3 ;" " aesd v0.16b, v1.16b ;" " aesimc v0.16b, v0.16b ;" - " ld1 {v3.2d}, [%[key]], #16 ;" + " ld1 {v3.16b}, [%[key]], #16 ;" " bpl 1b ;" " aesd v0.16b, v2.16b ;" " eor v0.16b, v0.16b, v3.16b ;" @@ -173,7 +173,12 @@ int ce_aes_expandkey(struct crypto_aes_ctx *ctx, const u8 *in_key, u32 *rki = ctx->key_enc + (i * kwords); u32 *rko = rki + kwords; +#ifndef CONFIG_CPU_BIG_ENDIAN rko[0] = ror32(aes_sub(rki[kwords - 1]), 8) ^ rcon[i] ^ rki[0]; +#else + rko[0] = rol32(aes_sub(rki[kwords - 1]), 8) ^ (rcon[i] << 24) ^ + rki[0]; +#endif rko[1] = rko[0] ^ rki[1]; rko[2] = rko[1] ^ rki[2]; rko[3] = rko[2] ^ rki[3]; diff --git a/arch/arm64/crypto/aes-ce.S b/arch/arm64/crypto/aes-ce.S index 78f3cfe92c08..b46093d567e5 100644 --- a/arch/arm64/crypto/aes-ce.S +++ b/arch/arm64/crypto/aes-ce.S @@ -10,6 +10,7 @@ */ #include +#include #define AES_ENTRY(func) ENTRY(ce_ ## func) #define AES_ENDPROC(func) ENDPROC(ce_ ## func) diff --git a/arch/arm64/crypto/aes-modes.S b/arch/arm64/crypto/aes-modes.S index f6e372c528eb..c53dbeae79f2 100644 --- a/arch/arm64/crypto/aes-modes.S +++ b/arch/arm64/crypto/aes-modes.S @@ -386,7 +386,8 @@ AES_ENDPROC(aes_ctr_encrypt) .endm .Lxts_mul_x: - .word 1, 0, 0x87, 0 +CPU_LE( .quad 1, 0x87 ) +CPU_BE( .quad 0x87, 1 ) AES_ENTRY(aes_xts_encrypt) FRAME_PUSH diff --git a/arch/arm64/crypto/aes-neon.S b/arch/arm64/crypto/aes-neon.S index b93170e1cc93..85f07ead7c5c 100644 --- a/arch/arm64/crypto/aes-neon.S +++ b/arch/arm64/crypto/aes-neon.S @@ -9,6 +9,7 @@ */ #include +#include #define AES_ENTRY(func) ENTRY(neon_ ## func) #define AES_ENDPROC(func) ENDPROC(neon_ ## func) @@ -83,13 +84,13 @@ .endm .macro do_block, enc, in, rounds, rk, rkp, i - ld1 {v15.16b}, [\rk] + ld1 {v15.4s}, [\rk] add \rkp, \rk, #16 mov \i, \rounds 1111: eor \in\().16b, \in\().16b, v15.16b /* ^round key */ tbl \in\().16b, {\in\().16b}, v13.16b /* ShiftRows */ sub_bytes \in - ld1 {v15.16b}, [\rkp], #16 + ld1 {v15.4s}, [\rkp], #16 subs \i, \i, #1 beq 2222f .if \enc == 1 @@ -229,7 +230,7 @@ .endm .macro do_block_2x, enc, in0, in1 rounds, rk, rkp, i - ld1 {v15.16b}, [\rk] + ld1 {v15.4s}, [\rk] add \rkp, \rk, #16 mov \i, \rounds 1111: eor \in0\().16b, \in0\().16b, v15.16b /* ^round key */ @@ -237,7 +238,7 @@ sub_bytes_2x \in0, \in1 tbl \in0\().16b, {\in0\().16b}, v13.16b /* ShiftRows */ tbl \in1\().16b, {\in1\().16b}, v13.16b /* ShiftRows */ - ld1 {v15.16b}, [\rkp], #16 + ld1 {v15.4s}, [\rkp], #16 subs \i, \i, #1 beq 2222f .if \enc == 1 @@ -254,7 +255,7 @@ .endm .macro do_block_4x, enc, in0, in1, in2, in3, rounds, rk, rkp, i - ld1 {v15.16b}, [\rk] + ld1 {v15.4s}, [\rk] add \rkp, \rk, #16 mov \i, \rounds 1111: eor \in0\().16b, \in0\().16b, v15.16b /* ^round key */ @@ -266,7 +267,7 @@ tbl \in1\().16b, {\in1\().16b}, v13.16b /* ShiftRows */ tbl \in2\().16b, {\in2\().16b}, v13.16b /* ShiftRows */ tbl \in3\().16b, {\in3\().16b}, v13.16b /* ShiftRows */ - ld1 {v15.16b}, [\rkp], #16 + ld1 {v15.4s}, [\rkp], #16 subs \i, \i, #1 beq 2222f .if \enc == 1 @@ -306,12 +307,16 @@ .text .align 4 .LForward_ShiftRows: - .byte 0x0, 0x5, 0xa, 0xf, 0x4, 0x9, 0xe, 0x3 - .byte 0x8, 0xd, 0x2, 0x7, 0xc, 0x1, 0x6, 0xb +CPU_LE( .byte 0x0, 0x5, 0xa, 0xf, 0x4, 0x9, 0xe, 0x3 ) +CPU_LE( .byte 0x8, 0xd, 0x2, 0x7, 0xc, 0x1, 0x6, 0xb ) +CPU_BE( .byte 0xb, 0x6, 0x1, 0xc, 0x7, 0x2, 0xd, 0x8 ) +CPU_BE( .byte 0x3, 0xe, 0x9, 0x4, 0xf, 0xa, 0x5, 0x0 ) .LReverse_ShiftRows: - .byte 0x0, 0xd, 0xa, 0x7, 0x4, 0x1, 0xe, 0xb - .byte 0x8, 0x5, 0x2, 0xf, 0xc, 0x9, 0x6, 0x3 +CPU_LE( .byte 0x0, 0xd, 0xa, 0x7, 0x4, 0x1, 0xe, 0xb ) +CPU_LE( .byte 0x8, 0x5, 0x2, 0xf, 0xc, 0x9, 0x6, 0x3 ) +CPU_BE( .byte 0x3, 0x6, 0x9, 0xc, 0xf, 0x2, 0x5, 0x8 ) +CPU_BE( .byte 0xb, 0xe, 0x1, 0x4, 0x7, 0xa, 0xd, 0x0 ) .LForward_Sbox: .byte 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5 diff --git a/arch/arm64/crypto/ghash-ce-core.S b/arch/arm64/crypto/ghash-ce-core.S index dc457015884e..f0bb9f0b524f 100644 --- a/arch/arm64/crypto/ghash-ce-core.S +++ b/arch/arm64/crypto/ghash-ce-core.S @@ -29,8 +29,8 @@ * struct ghash_key const *k, const char *head) */ ENTRY(pmull_ghash_update) - ld1 {SHASH.16b}, [x3] - ld1 {XL.16b}, [x1] + ld1 {SHASH.2d}, [x3] + ld1 {XL.2d}, [x1] movi MASK.16b, #0xe1 ext SHASH2.16b, SHASH.16b, SHASH.16b, #8 shl MASK.2d, MASK.2d, #57 @@ -74,6 +74,6 @@ CPU_LE( rev64 T1.16b, T1.16b ) cbnz w0, 0b - st1 {XL.16b}, [x1] + st1 {XL.2d}, [x1] ret ENDPROC(pmull_ghash_update) diff --git a/arch/arm64/crypto/sha1-ce-core.S b/arch/arm64/crypto/sha1-ce-core.S index 033aae6d732a..c98e7e849f06 100644 --- a/arch/arm64/crypto/sha1-ce-core.S +++ b/arch/arm64/crypto/sha1-ce-core.S @@ -78,7 +78,7 @@ ENTRY(sha1_ce_transform) ld1r {k3.4s}, [x6] /* load state */ - ldr dga, [x0] + ld1 {dgav.4s}, [x0] ldr dgb, [x0, #16] /* load sha1_ce_state::finalize */ @@ -144,7 +144,7 @@ CPU_LE( rev32 v11.16b, v11.16b ) b 1b /* store new state */ -3: str dga, [x0] +3: st1 {dgav.4s}, [x0] str dgb, [x0, #16] ret ENDPROC(sha1_ce_transform) diff --git a/arch/arm64/crypto/sha2-ce-core.S b/arch/arm64/crypto/sha2-ce-core.S index 5df9d9d470ad..01cfee066837 100644 --- a/arch/arm64/crypto/sha2-ce-core.S +++ b/arch/arm64/crypto/sha2-ce-core.S @@ -85,7 +85,7 @@ ENTRY(sha2_ce_transform) ld1 {v12.4s-v15.4s}, [x8] /* load state */ - ldp dga, dgb, [x0] + ld1 {dgav.4s, dgbv.4s}, [x0] /* load sha256_ce_state::finalize */ ldr w4, [x0, #:lo12:sha256_ce_offsetof_finalize] @@ -148,6 +148,6 @@ CPU_LE( rev32 v19.16b, v19.16b ) b 1b /* store new state */ -3: stp dga, dgb, [x0] +3: st1 {dgav.4s, dgbv.4s}, [x0] ret ENDPROC(sha2_ce_transform) diff --git a/arch/cris/boot/rescue/Makefile b/arch/cris/boot/rescue/Makefile index 52bd0bd1dd22..d98edbb30a18 100644 --- a/arch/cris/boot/rescue/Makefile +++ b/arch/cris/boot/rescue/Makefile @@ -10,6 +10,9 @@ asflags-y += $(LINUXINCLUDE) ccflags-y += -O2 $(LINUXINCLUDE) + +ifdef CONFIG_ETRAX_AXISFLASHMAP + arch-$(CONFIG_ETRAX_ARCH_V10) = v10 arch-$(CONFIG_ETRAX_ARCH_V32) = v32 @@ -28,6 +31,11 @@ $(obj)/rescue.bin: $(obj)/rescue.o FORCE $(call if_changed,objcopy) cp -p $(obj)/rescue.bin $(objtree) +else +$(obj)/rescue.bin: + +endif + $(obj)/testrescue.bin: $(obj)/testrescue.o $(OBJCOPY) $(OBJCOPYFLAGS) $(obj)/testrescue.o tr.bin # Pad it to 784 bytes diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index e86b7499921a..a017b23ee4aa 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -324,8 +324,8 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id) #endif /* Invalidate the icache for these ranges */ - local_flush_icache_range((unsigned long)gebase, - (unsigned long)gebase + ALIGN(size, PAGE_SIZE)); + flush_icache_range((unsigned long)gebase, + (unsigned long)gebase + ALIGN(size, PAGE_SIZE)); /* * Allocate comm page for guest kernel, a TLB will be reserved for diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c index d750cc0dfe30..683a966b5b16 100644 --- a/arch/s390/crypto/prng.c +++ b/arch/s390/crypto/prng.c @@ -565,8 +565,10 @@ static ssize_t prng_tdes_read(struct file *file, char __user *ubuf, prng_data->prngws.byte_counter += n; prng_data->prngws.reseed_counter += n; - if (copy_to_user(ubuf, prng_data->buf, chunk)) - return -EFAULT; + if (copy_to_user(ubuf, prng_data->buf, chunk)) { + ret = -EFAULT; + break; + } nbytes -= chunk; ret += chunk; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 7429d481a311..b3c2ae7aa213 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2949,6 +2949,8 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu, memset(&events->reserved, 0, sizeof(events->reserved)); } +static void kvm_set_hflags(struct kvm_vcpu *vcpu, unsigned emul_flags); + static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu, struct kvm_vcpu_events *events) { @@ -2981,10 +2983,13 @@ static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu, vcpu->arch.apic->sipi_vector = events->sipi_vector; if (events->flags & KVM_VCPUEVENT_VALID_SMM) { + u32 hflags = vcpu->arch.hflags; if (events->smi.smm) - vcpu->arch.hflags |= HF_SMM_MASK; + hflags |= HF_SMM_MASK; else - vcpu->arch.hflags &= ~HF_SMM_MASK; + hflags &= ~HF_SMM_MASK; + kvm_set_hflags(vcpu, hflags); + vcpu->arch.smi_pending = events->smi.pending; if (events->smi.smm_inside_nmi) vcpu->arch.hflags |= HF_SMM_INSIDE_NMI_MASK; diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h index 998fa6b23084..01ac5b1aeaeb 100644 --- a/drivers/base/power/power.h +++ b/drivers/base/power/power.h @@ -20,14 +20,22 @@ static inline void pm_runtime_early_init(struct device *dev) extern void pm_runtime_init(struct device *dev); extern void pm_runtime_remove(struct device *dev); +#define WAKE_IRQ_DEDICATED_ALLOCATED BIT(0) +#define WAKE_IRQ_DEDICATED_MANAGED BIT(1) +#define WAKE_IRQ_DEDICATED_MASK (WAKE_IRQ_DEDICATED_ALLOCATED | \ + WAKE_IRQ_DEDICATED_MANAGED) + struct wake_irq { struct device *dev; + unsigned int status; int irq; - bool dedicated_irq:1; }; extern void dev_pm_arm_wake_irq(struct wake_irq *wirq); extern void dev_pm_disarm_wake_irq(struct wake_irq *wirq); +extern void dev_pm_enable_wake_irq_check(struct device *dev, + bool can_change_status); +extern void dev_pm_disable_wake_irq_check(struct device *dev); #ifdef CONFIG_PM_SLEEP @@ -102,6 +110,15 @@ static inline void dev_pm_disarm_wake_irq(struct wake_irq *wirq) { } +static inline void dev_pm_enable_wake_irq_check(struct device *dev, + bool can_change_status) +{ +} + +static inline void dev_pm_disable_wake_irq_check(struct device *dev) +{ +} + #endif #ifdef CONFIG_PM_SLEEP diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 9796a1a15ef6..3252429f96af 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -515,7 +515,7 @@ static int rpm_suspend(struct device *dev, int rpmflags) callback = RPM_GET_CALLBACK(dev, runtime_suspend); - dev_pm_enable_wake_irq(dev); + dev_pm_enable_wake_irq_check(dev, true); retval = rpm_callback(callback, dev); if (retval) goto fail; @@ -554,7 +554,7 @@ static int rpm_suspend(struct device *dev, int rpmflags) return retval; fail: - dev_pm_disable_wake_irq(dev); + dev_pm_disable_wake_irq_check(dev); __update_runtime_status(dev, RPM_ACTIVE); dev->power.deferred_resume = false; wake_up_all(&dev->power.wait_queue); @@ -737,12 +737,12 @@ static int rpm_resume(struct device *dev, int rpmflags) callback = RPM_GET_CALLBACK(dev, runtime_resume); - dev_pm_disable_wake_irq(dev); + dev_pm_disable_wake_irq_check(dev); retval = rpm_callback(callback, dev); if (retval) { __update_runtime_status(dev, RPM_SUSPENDED); pm_runtime_cancel_pending(dev); - dev_pm_enable_wake_irq(dev); + dev_pm_enable_wake_irq_check(dev, false); } else { no_callback: __update_runtime_status(dev, RPM_ACTIVE); diff --git a/drivers/base/power/wakeirq.c b/drivers/base/power/wakeirq.c index 0d77cd6fd8d1..404d94c6c8bc 100644 --- a/drivers/base/power/wakeirq.c +++ b/drivers/base/power/wakeirq.c @@ -110,8 +110,10 @@ void dev_pm_clear_wake_irq(struct device *dev) dev->power.wakeirq = NULL; spin_unlock_irqrestore(&dev->power.lock, flags); - if (wirq->dedicated_irq) + if (wirq->status & WAKE_IRQ_DEDICATED_ALLOCATED) { free_irq(wirq->irq, wirq); + wirq->status &= ~WAKE_IRQ_DEDICATED_MASK; + } kfree(wirq); } EXPORT_SYMBOL_GPL(dev_pm_clear_wake_irq); @@ -179,7 +181,6 @@ int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq) wirq->dev = dev; wirq->irq = irq; - wirq->dedicated_irq = true; irq_set_status_flags(irq, IRQ_NOAUTOEN); /* @@ -195,6 +196,8 @@ int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq) if (err) goto err_free_irq; + wirq->status = WAKE_IRQ_DEDICATED_ALLOCATED; + return err; err_free_irq: @@ -210,9 +213,9 @@ EXPORT_SYMBOL_GPL(dev_pm_set_dedicated_wake_irq); * dev_pm_enable_wake_irq - Enable device wake-up interrupt * @dev: Device * - * Called from the bus code or the device driver for - * runtime_suspend() to enable the wake-up interrupt while - * the device is running. + * Optionally called from the bus code or the device driver for + * runtime_resume() to override the PM runtime core managed wake-up + * interrupt handling to enable the wake-up interrupt. * * Note that for runtime_suspend()) the wake-up interrupts * should be unconditionally enabled unlike for suspend() @@ -222,7 +225,7 @@ void dev_pm_enable_wake_irq(struct device *dev) { struct wake_irq *wirq = dev->power.wakeirq; - if (wirq && wirq->dedicated_irq) + if (wirq && (wirq->status & WAKE_IRQ_DEDICATED_ALLOCATED)) enable_irq(wirq->irq); } EXPORT_SYMBOL_GPL(dev_pm_enable_wake_irq); @@ -231,20 +234,73 @@ EXPORT_SYMBOL_GPL(dev_pm_enable_wake_irq); * dev_pm_disable_wake_irq - Disable device wake-up interrupt * @dev: Device * - * Called from the bus code or the device driver for - * runtime_resume() to disable the wake-up interrupt while - * the device is running. + * Optionally called from the bus code or the device driver for + * runtime_suspend() to override the PM runtime core managed wake-up + * interrupt handling to disable the wake-up interrupt. */ void dev_pm_disable_wake_irq(struct device *dev) { struct wake_irq *wirq = dev->power.wakeirq; - if (wirq && wirq->dedicated_irq) + if (wirq && (wirq->status & WAKE_IRQ_DEDICATED_ALLOCATED)) disable_irq_nosync(wirq->irq); } EXPORT_SYMBOL_GPL(dev_pm_disable_wake_irq); /** + * dev_pm_enable_wake_irq_check - Checks and enables wake-up interrupt + * @dev: Device + * @can_change_status: Can change wake-up interrupt status + * + * Enables wakeirq conditionally. We need to enable wake-up interrupt + * lazily on the first rpm_suspend(). This is needed as the consumer device + * starts in RPM_SUSPENDED state, and the the first pm_runtime_get() would + * otherwise try to disable already disabled wakeirq. The wake-up interrupt + * starts disabled with IRQ_NOAUTOEN set. + * + * Should be only called from rpm_suspend() and rpm_resume() path. + * Caller must hold &dev->power.lock to change wirq->status + */ +void dev_pm_enable_wake_irq_check(struct device *dev, + bool can_change_status) +{ + struct wake_irq *wirq = dev->power.wakeirq; + + if (!wirq || !((wirq->status & WAKE_IRQ_DEDICATED_MASK))) + return; + + if (likely(wirq->status & WAKE_IRQ_DEDICATED_MANAGED)) { + goto enable; + } else if (can_change_status) { + wirq->status |= WAKE_IRQ_DEDICATED_MANAGED; + goto enable; + } + + return; + +enable: + enable_irq(wirq->irq); +} + +/** + * dev_pm_disable_wake_irq_check - Checks and disables wake-up interrupt + * @dev: Device + * + * Disables wake-up interrupt conditionally based on status. + * Should be only called from rpm_suspend() and rpm_resume() path. + */ +void dev_pm_disable_wake_irq_check(struct device *dev) +{ + struct wake_irq *wirq = dev->power.wakeirq; + + if (!wirq || !((wirq->status & WAKE_IRQ_DEDICATED_MASK))) + return; + + if (wirq->status & WAKE_IRQ_DEDICATED_MANAGED) + disable_irq_nosync(wirq->irq); +} + +/** * dev_pm_arm_wake_irq - Arm device wake-up * @wirq: Device wake-up interrupt * diff --git a/drivers/clk/clk-wm831x.c b/drivers/clk/clk-wm831x.c index 43f9d15255f4..763aed2de893 100644 --- a/drivers/clk/clk-wm831x.c +++ b/drivers/clk/clk-wm831x.c @@ -247,7 +247,7 @@ static int wm831x_clkout_is_prepared(struct clk_hw *hw) if (ret < 0) { dev_err(wm831x->dev, "Unable to read CLOCK_CONTROL_1: %d\n", ret); - return true; + return false; } return (ret & WM831X_CLKOUT_ENA) != 0; diff --git a/drivers/clk/imx/clk-imx31.c b/drivers/clk/imx/clk-imx31.c index 6a964144a5b5..6a49ba2b9671 100644 --- a/drivers/clk/imx/clk-imx31.c +++ b/drivers/clk/imx/clk-imx31.c @@ -157,10 +157,8 @@ static void __init _mx31_clocks_init(unsigned long fref) } } -int __init mx31_clocks_init(void) +int __init mx31_clocks_init(unsigned long fref) { - u32 fref = 26000000; /* default */ - _mx31_clocks_init(fref); clk_register_clkdev(clk[gpt_gate], "per", "imx-gpt.0"); diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c index b5b9cb911111..04cec0da5d1e 100644 --- a/drivers/gpu/drm/radeon/radeon_cursor.c +++ b/drivers/gpu/drm/radeon/radeon_cursor.c @@ -146,6 +146,9 @@ static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y) int xorigin = 0, yorigin = 0; int w = radeon_crtc->cursor_width; + radeon_crtc->cursor_x = x; + radeon_crtc->cursor_y = y; + if (ASIC_IS_AVIVO(rdev)) { /* avivo cursor are offset into the total surface */ x += crtc->x; @@ -240,9 +243,6 @@ static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y) yorigin * 256); } - radeon_crtc->cursor_x = x; - radeon_crtc->cursor_y = y; - if (radeon_crtc->cursor_out_of_bounds) { radeon_crtc->cursor_out_of_bounds = false; if (radeon_crtc->cursor_bo) diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c index 12e851a5af48..46b4e35fd555 100644 --- a/drivers/hwmon/amc6821.c +++ b/drivers/hwmon/amc6821.c @@ -188,8 +188,8 @@ static struct amc6821_data *amc6821_update_device(struct device *dev) !data->valid) { for (i = 0; i < TEMP_IDX_LEN; i++) - data->temp[i] = i2c_smbus_read_byte_data(client, - temp_reg[i]); + data->temp[i] = (int8_t)i2c_smbus_read_byte_data( + client, temp_reg[i]); data->stat1 = i2c_smbus_read_byte_data(client, AMC6821_REG_STAT1); diff --git a/drivers/hwmon/ds620.c b/drivers/hwmon/ds620.c index edf550fc4eef..0043a4c02b85 100644 --- a/drivers/hwmon/ds620.c +++ b/drivers/hwmon/ds620.c @@ -166,7 +166,7 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, if (res) return res; - val = (val * 10 / 625) * 8; + val = (clamp_val(val, -128000, 128000) * 10 / 625) * 8; mutex_lock(&data->update_lock); data->temp[attr->index] = val; diff --git a/drivers/hwmon/g762.c b/drivers/hwmon/g762.c index b96a2a9e4df7..628be9c95ff9 100644 --- a/drivers/hwmon/g762.c +++ b/drivers/hwmon/g762.c @@ -193,14 +193,17 @@ static inline unsigned int rpm_from_cnt(u8 cnt, u32 clk_freq, u16 p, * Convert fan RPM value from sysfs into count value for fan controller * register (FAN_SET_CNT). */ -static inline unsigned char cnt_from_rpm(u32 rpm, u32 clk_freq, u16 p, +static inline unsigned char cnt_from_rpm(unsigned long rpm, u32 clk_freq, u16 p, u8 clk_div, u8 gear_mult) { - if (!rpm) /* to stop the fan, set cnt to 255 */ + unsigned long f1 = clk_freq * 30 * gear_mult; + unsigned long f2 = p * clk_div; + + if (!rpm) /* to stop the fan, set cnt to 255 */ return 0xff; - return clamp_val(((clk_freq * 30 * gear_mult) / (rpm * p * clk_div)), - 0, 255); + rpm = clamp_val(rpm, f1 / (255 * f2), ULONG_MAX / f2); + return DIV_ROUND_CLOSEST(f1, rpm * f2); } /* helper to grab and cache data, at most one time per second */ diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c index 3ce33d244cc0..12b94b094c0d 100644 --- a/drivers/hwmon/nct7802.c +++ b/drivers/hwmon/nct7802.c @@ -259,13 +259,15 @@ static int nct7802_read_fan_min(struct nct7802_data *data, u8 reg_fan_low, ret = 0; else if (ret) ret = DIV_ROUND_CLOSEST(1350000U, ret); + else + ret = 1350000U; abort: mutex_unlock(&data->access_lock); return ret; } static int nct7802_write_fan_min(struct nct7802_data *data, u8 reg_fan_low, - u8 reg_fan_high, unsigned int limit) + u8 reg_fan_high, unsigned long limit) { int err; @@ -326,8 +328,8 @@ static int nct7802_write_voltage(struct nct7802_data *data, int nr, int index, int shift = 8 - REG_VOLTAGE_LIMIT_MSB_SHIFT[index - 1][nr]; int err; + voltage = clamp_val(voltage, 0, 0x3ff * nct7802_vmul[nr]); voltage = DIV_ROUND_CLOSEST(voltage, nct7802_vmul[nr]); - voltage = clamp_val(voltage, 0, 0x3ff); mutex_lock(&data->access_lock); err = regmap_write(data->regmap, @@ -402,7 +404,7 @@ static ssize_t store_temp(struct device *dev, struct device_attribute *attr, if (err < 0) return err; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -128, 127); + val = DIV_ROUND_CLOSEST(clamp_val(val, -128000, 127000), 1000); err = regmap_write(data->regmap, nr, val & 0xff); return err ? : count; diff --git a/drivers/hwmon/scpi-hwmon.c b/drivers/hwmon/scpi-hwmon.c index 7e20567bc369..6827169c82d4 100644 --- a/drivers/hwmon/scpi-hwmon.c +++ b/drivers/hwmon/scpi-hwmon.c @@ -272,6 +272,7 @@ static const struct of_device_id scpi_of_match[] = { {.compatible = "arm,scpi-sensors"}, {}, }; +MODULE_DEVICE_TABLE(of, scpi_of_match); static struct platform_driver scpi_hwmon_platdrv = { .driver = { diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 5975d76ce755..a0ef57483ebb 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -926,7 +926,7 @@ again: next_tail = (tail + sizeof(*cmd)) % CMD_BUFFER_SIZE; left = (head - next_tail) % CMD_BUFFER_SIZE; - if (left <= 2) { + if (left <= 0x20) { struct iommu_cmd sync_cmd; volatile u64 sem = 0; int ret; diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index 7caf2fa237f2..4831eb910fc7 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c @@ -809,8 +809,10 @@ int amd_iommu_init_device(struct pci_dev *pdev, int pasids) goto out_free_domain; group = iommu_group_get(&pdev->dev); - if (!group) + if (!group) { + ret = -EINVAL; goto out_free_domain; + } ret = iommu_attach_group(dev_state->domain, group); if (ret != 0) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 59e9abd3345e..9413b0726237 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1993,6 +1993,25 @@ static int domain_context_mapping_one(struct dmar_domain *domain, if (context_present(context)) goto out_unlock; + /* + * For kdump cases, old valid entries may be cached due to the + * in-flight DMA and copied pgtable, but there is no unmapping + * behaviour for them, thus we need an explicit cache flush for + * the newly-mapped device. For kdump, at this point, the device + * is supposed to finish reset at its driver probe stage, so no + * in-flight DMA will exist, and we don't need to worry anymore + * hereafter. + */ + if (context_copied(context)) { + u16 did_old = context_domain_id(context); + + if (did_old >= 0 && did_old < cap_ndoms(iommu->cap)) + iommu->flush.flush_context(iommu, did_old, + (((u16)bus) << 8) | devfn, + DMA_CCMD_MASK_NOBIT, + DMA_CCMD_DEVICE_INVL); + } + pgd = domain->pgd; context_clear_entry(context); @@ -5020,6 +5039,25 @@ static void intel_iommu_remove_device(struct device *dev) } #ifdef CONFIG_INTEL_IOMMU_SVM +#define MAX_NR_PASID_BITS (20) +static inline unsigned long intel_iommu_get_pts(struct intel_iommu *iommu) +{ + /* + * Convert ecap_pss to extend context entry pts encoding, also + * respect the soft pasid_max value set by the iommu. + * - number of PASID bits = ecap_pss + 1 + * - number of PASID table entries = 2^(pts + 5) + * Therefore, pts = ecap_pss - 4 + * e.g. KBL ecap_pss = 0x13, PASID has 20 bits, pts = 15 + */ + if (ecap_pss(iommu->ecap) < 5) + return 0; + + /* pasid_max is encoded as actual number of entries not the bits */ + return find_first_bit((unsigned long *)&iommu->pasid_max, + MAX_NR_PASID_BITS) - 5; +} + int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct intel_svm_dev *sdev) { struct device_domain_info *info; @@ -5052,7 +5090,9 @@ int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct intel_svm_dev *sd if (!(ctx_lo & CONTEXT_PASIDE)) { context[1].hi = (u64)virt_to_phys(iommu->pasid_state_table); - context[1].lo = (u64)virt_to_phys(iommu->pasid_table) | ecap_pss(iommu->ecap); + context[1].lo = (u64)virt_to_phys(iommu->pasid_table) | + intel_iommu_get_pts(iommu); + wmb(); /* CONTEXT_TT_MULTI_LEVEL and CONTEXT_TT_DEV_IOTLB are both * extended to permit requests-with-PASID if the PASIDE bit diff --git a/drivers/irqchip/irq-bcm7038-l1.c b/drivers/irqchip/irq-bcm7038-l1.c index 0fea985ef1dc..d7af88534971 100644 --- a/drivers/irqchip/irq-bcm7038-l1.c +++ b/drivers/irqchip/irq-bcm7038-l1.c @@ -216,6 +216,31 @@ static int bcm7038_l1_set_affinity(struct irq_data *d, return 0; } +static void bcm7038_l1_cpu_offline(struct irq_data *d) +{ + struct cpumask *mask = irq_data_get_affinity_mask(d); + int cpu = smp_processor_id(); + cpumask_t new_affinity; + + /* This CPU was not on the affinity mask */ + if (!cpumask_test_cpu(cpu, mask)) + return; + + if (cpumask_weight(mask) > 1) { + /* + * Multiple CPU affinity, remove this CPU from the affinity + * mask + */ + cpumask_copy(&new_affinity, mask); + cpumask_clear_cpu(cpu, &new_affinity); + } else { + /* Only CPU, put on the lowest online CPU */ + cpumask_clear(&new_affinity); + cpumask_set_cpu(cpumask_first(cpu_online_mask), &new_affinity); + } + irq_set_affinity_locked(d, &new_affinity, false); +} + static int __init bcm7038_l1_init_one(struct device_node *dn, unsigned int idx, struct bcm7038_l1_chip *intc) @@ -267,6 +292,7 @@ static struct irq_chip bcm7038_l1_irq_chip = { .irq_mask = bcm7038_l1_mask, .irq_unmask = bcm7038_l1_unmask, .irq_set_affinity = bcm7038_l1_set_affinity, + .irq_cpu_offline = bcm7038_l1_cpu_offline, }; static int bcm7038_l1_map(struct irq_domain *d, unsigned int virq, diff --git a/drivers/md/md.c b/drivers/md/md.c index c1c7d4fb4b77..eff554a12fb4 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6771,7 +6771,7 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode, /* need to ensure recovery thread has run */ wait_event_interruptible_timeout(mddev->sb_wait, !test_bit(MD_RECOVERY_NEEDED, - &mddev->flags), + &mddev->recovery), msecs_to_jiffies(5000)); if (cmd == STOP_ARRAY || cmd == STOP_ARRAY_RO) { /* Need to flush page cache, and ensure no-one else opens diff --git a/drivers/media/pci/cx23885/cx23885-dvb.c b/drivers/media/pci/cx23885/cx23885-dvb.c index c4307ad8594c..e543cbbf2ec4 100644 --- a/drivers/media/pci/cx23885/cx23885-dvb.c +++ b/drivers/media/pci/cx23885/cx23885-dvb.c @@ -2168,11 +2168,12 @@ static int dvb_register(struct cx23885_tsport *port) } port->i2c_client_tuner = client_tuner; break; - case CX23885_BOARD_HAUPPAUGE_HVR5525: - switch (port->nr) { + case CX23885_BOARD_HAUPPAUGE_HVR5525: { struct m88rs6000t_config m88rs6000t_config; struct a8293_platform_data a8293_pdata = {}; + switch (port->nr) { + /* port b - satellite */ case 1: /* attach frontend */ @@ -2267,6 +2268,7 @@ static int dvb_register(struct cx23885_tsport *port) break; } break; + } default: printk(KERN_INFO "%s: The frontend of your DVB/ATSC card " " isn't supported yet\n", diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index e59838231703..be74a25708b2 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -399,7 +399,7 @@ bool mei_cldev_enabled(struct mei_cl_device *cldev) EXPORT_SYMBOL_GPL(mei_cldev_enabled); /** - * mei_cldev_enable_device - enable me client device + * mei_cldev_enable - enable me client device * create connection with me client * * @cldev: me client device diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c index 7fc9174d4619..9a11aaa6e985 100644 --- a/drivers/mmc/card/mmc_test.c +++ b/drivers/mmc/card/mmc_test.c @@ -791,7 +791,7 @@ static int mmc_test_nonblock_transfer(struct mmc_test_card *test, struct mmc_async_req *cur_areq = &test_areq[0].areq; struct mmc_async_req *other_areq = &test_areq[1].areq; int i; - int ret; + int ret = RESULT_OK; test_areq[0].test = test; test_areq[1].test = test; diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index 50d5604833ed..e0993eba5df3 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -2223,8 +2223,6 @@ static irqreturn_t vxge_isr_napi(int irq, void *dev_id) return IRQ_NONE; } -#ifdef CONFIG_PCI_MSI - static irqreturn_t vxge_tx_msix_handle(int irq, void *dev_id) { struct vxge_fifo *fifo = (struct vxge_fifo *)dev_id; @@ -2442,16 +2440,13 @@ static void vxge_rem_msix_isr(struct vxgedev *vdev) if (vdev->config.intr_type == MSI_X) pci_disable_msix(vdev->pdev); } -#endif static void vxge_rem_isr(struct vxgedev *vdev) { -#ifdef CONFIG_PCI_MSI - if (vdev->config.intr_type == MSI_X) { + if (IS_ENABLED(CONFIG_PCI_MSI) && + vdev->config.intr_type == MSI_X) { vxge_rem_msix_isr(vdev); - } else -#endif - if (vdev->config.intr_type == INTA) { + } else if (vdev->config.intr_type == INTA) { synchronize_irq(vdev->pdev->irq); free_irq(vdev->pdev->irq, vdev); } @@ -2460,11 +2455,10 @@ static void vxge_rem_isr(struct vxgedev *vdev) static int vxge_add_isr(struct vxgedev *vdev) { int ret = 0; -#ifdef CONFIG_PCI_MSI int vp_idx = 0, intr_idx = 0, intr_cnt = 0, msix_idx = 0, irq_req = 0; int pci_fun = PCI_FUNC(vdev->pdev->devfn); - if (vdev->config.intr_type == MSI_X) + if (IS_ENABLED(CONFIG_PCI_MSI) && vdev->config.intr_type == MSI_X) ret = vxge_enable_msix(vdev); if (ret) { @@ -2475,7 +2469,7 @@ static int vxge_add_isr(struct vxgedev *vdev) vdev->config.intr_type = INTA; } - if (vdev->config.intr_type == MSI_X) { + if (IS_ENABLED(CONFIG_PCI_MSI) && vdev->config.intr_type == MSI_X) { for (intr_idx = 0; intr_idx < (vdev->no_of_vpath * VXGE_HW_VPATH_MSIX_ACTIVE); intr_idx++) { @@ -2576,9 +2570,8 @@ static int vxge_add_isr(struct vxgedev *vdev) vdev->vxge_entries[intr_cnt].in_use = 1; vdev->vxge_entries[intr_cnt].arg = &vdev->vpaths[0]; } -INTA_MODE: -#endif +INTA_MODE: if (vdev->config.intr_type == INTA) { snprintf(vdev->desc[0], VXGE_INTR_STRLEN, "%s:vxge:INTA", vdev->ndev->name); @@ -3889,12 +3882,12 @@ static void vxge_device_config_init(struct vxge_hw_device_config *device_config, if (max_mac_vpath > VXGE_MAX_MAC_ADDR_COUNT) max_mac_vpath = VXGE_MAX_MAC_ADDR_COUNT; -#ifndef CONFIG_PCI_MSI - vxge_debug_init(VXGE_ERR, - "%s: This Kernel does not support " - "MSI-X. Defaulting to INTA", VXGE_DRIVER_NAME); - *intr_type = INTA; -#endif + if (!IS_ENABLED(CONFIG_PCI_MSI)) { + vxge_debug_init(VXGE_ERR, + "%s: This Kernel does not support " + "MSI-X. Defaulting to INTA", VXGE_DRIVER_NAME); + *intr_type = INTA; + } /* Configure whether MSI-X or IRQL. */ switch (*intr_type) { diff --git a/drivers/net/ethernet/ti/cpmac.c b/drivers/net/ethernet/ti/cpmac.c index 77d26fe286c0..d52ea3008946 100644 --- a/drivers/net/ethernet/ti/cpmac.c +++ b/drivers/net/ethernet/ti/cpmac.c @@ -549,7 +549,8 @@ fatal_error: static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) { - int queue, len; + int queue; + unsigned int len; struct cpmac_desc *desc; struct cpmac_priv *priv = netdev_priv(dev); @@ -559,7 +560,7 @@ static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) if (unlikely(skb_padto(skb, ETH_ZLEN))) return NETDEV_TX_OK; - len = max(skb->len, ETH_ZLEN); + len = max_t(unsigned int, skb->len, ETH_ZLEN); queue = skb_get_queue_mapping(skb); netif_stop_subqueue(dev, queue); diff --git a/drivers/net/wireless/ath/ath10k/spectral.c b/drivers/net/wireless/ath/ath10k/spectral.c index 4671cfbcd8f7..a0e7eebc206a 100644 --- a/drivers/net/wireless/ath/ath10k/spectral.c +++ b/drivers/net/wireless/ath/ath10k/spectral.c @@ -338,7 +338,7 @@ static ssize_t write_file_spec_scan_ctl(struct file *file, } else { res = -EINVAL; } - } else if (strncmp("background", buf, 9) == 0) { + } else if (strncmp("background", buf, 10) == 0) { res = ath10k_spectral_scan_config(ar, SPECTRAL_BACKGROUND); } else if (strncmp("manual", buf, 6) == 0) { res = ath10k_spectral_scan_config(ar, SPECTRAL_MANUAL); diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c index e12bafdc42e0..f2fcbe944d94 100644 --- a/drivers/pci/hotplug/rpadlpar_core.c +++ b/drivers/pci/hotplug/rpadlpar_core.c @@ -258,8 +258,13 @@ static int dlpar_add_phb(char *drc_name, struct device_node *dn) static int dlpar_add_vio_slot(char *drc_name, struct device_node *dn) { - if (vio_find_node(dn)) + struct vio_dev *vio_dev; + + vio_dev = vio_find_node(dn); + if (vio_dev) { + put_device(&vio_dev->dev); return -EINVAL; + } if (!vio_register_device_node(dn)) { printk(KERN_ERR @@ -335,6 +340,9 @@ static int dlpar_remove_vio_slot(char *drc_name, struct device_node *dn) return -EINVAL; vio_unregister_device(vio_dev); + + put_device(&vio_dev->dev); + return 0; } diff --git a/drivers/scsi/mvsas/mv_94xx.c b/drivers/scsi/mvsas/mv_94xx.c index 9270d15ff1a4..7353ac8d0d39 100644 --- a/drivers/scsi/mvsas/mv_94xx.c +++ b/drivers/scsi/mvsas/mv_94xx.c @@ -621,7 +621,7 @@ static void mvs_94xx_command_active(struct mvs_info *mvi, u32 slot_idx) { u32 tmp; tmp = mvs_cr32(mvi, MVS_COMMAND_ACTIVE+(slot_idx >> 3)); - if (tmp && 1 << (slot_idx % 32)) { + if (tmp & 1 << (slot_idx % 32)) { mv_printk("command active %08X, slot [%x].\n", tmp, slot_idx); mvs_cw32(mvi, MVS_COMMAND_ACTIVE + (slot_idx >> 3), 1 << (slot_idx % 32)); diff --git a/drivers/staging/comedi/drivers/dt282x.c b/drivers/staging/comedi/drivers/dt282x.c index 5a536a00066f..b63472de761a 100644 --- a/drivers/staging/comedi/drivers/dt282x.c +++ b/drivers/staging/comedi/drivers/dt282x.c @@ -69,48 +69,49 @@ * Register map */ #define DT2821_ADCSR_REG 0x00 -#define DT2821_ADCSR_ADERR (1 << 15) -#define DT2821_ADCSR_ADCLK (1 << 9) -#define DT2821_ADCSR_MUXBUSY (1 << 8) -#define DT2821_ADCSR_ADDONE (1 << 7) -#define DT2821_ADCSR_IADDONE (1 << 6) +#define DT2821_ADCSR_ADERR BIT(15) +#define DT2821_ADCSR_ADCLK BIT(9) +#define DT2821_ADCSR_MUXBUSY BIT(8) +#define DT2821_ADCSR_ADDONE BIT(7) +#define DT2821_ADCSR_IADDONE BIT(6) #define DT2821_ADCSR_GS(x) (((x) & 0x3) << 4) #define DT2821_ADCSR_CHAN(x) (((x) & 0xf) << 0) #define DT2821_CHANCSR_REG 0x02 -#define DT2821_CHANCSR_LLE (1 << 15) -#define DT2821_CHANCSR_PRESLA(x) (((x) & 0xf) >> 8) +#define DT2821_CHANCSR_LLE BIT(15) +#define DT2821_CHANCSR_TO_PRESLA(x) (((x) >> 8) & 0xf) #define DT2821_CHANCSR_NUMB(x) ((((x) - 1) & 0xf) << 0) #define DT2821_ADDAT_REG 0x04 #define DT2821_DACSR_REG 0x06 -#define DT2821_DACSR_DAERR (1 << 15) +#define DT2821_DACSR_DAERR BIT(15) #define DT2821_DACSR_YSEL(x) ((x) << 9) -#define DT2821_DACSR_SSEL (1 << 8) -#define DT2821_DACSR_DACRDY (1 << 7) -#define DT2821_DACSR_IDARDY (1 << 6) -#define DT2821_DACSR_DACLK (1 << 5) -#define DT2821_DACSR_HBOE (1 << 1) -#define DT2821_DACSR_LBOE (1 << 0) +#define DT2821_DACSR_SSEL BIT(8) +#define DT2821_DACSR_DACRDY BIT(7) +#define DT2821_DACSR_IDARDY BIT(6) +#define DT2821_DACSR_DACLK BIT(5) +#define DT2821_DACSR_HBOE BIT(1) +#define DT2821_DACSR_LBOE BIT(0) #define DT2821_DADAT_REG 0x08 #define DT2821_DIODAT_REG 0x0a #define DT2821_SUPCSR_REG 0x0c -#define DT2821_SUPCSR_DMAD (1 << 15) -#define DT2821_SUPCSR_ERRINTEN (1 << 14) -#define DT2821_SUPCSR_CLRDMADNE (1 << 13) -#define DT2821_SUPCSR_DDMA (1 << 12) -#define DT2821_SUPCSR_DS_PIO (0 << 10) -#define DT2821_SUPCSR_DS_AD_CLK (1 << 10) -#define DT2821_SUPCSR_DS_DA_CLK (2 << 10) -#define DT2821_SUPCSR_DS_AD_TRIG (3 << 10) -#define DT2821_SUPCSR_BUFFB (1 << 9) -#define DT2821_SUPCSR_SCDN (1 << 8) -#define DT2821_SUPCSR_DACON (1 << 7) -#define DT2821_SUPCSR_ADCINIT (1 << 6) -#define DT2821_SUPCSR_DACINIT (1 << 5) -#define DT2821_SUPCSR_PRLD (1 << 4) -#define DT2821_SUPCSR_STRIG (1 << 3) -#define DT2821_SUPCSR_XTRIG (1 << 2) -#define DT2821_SUPCSR_XCLK (1 << 1) -#define DT2821_SUPCSR_BDINIT (1 << 0) +#define DT2821_SUPCSR_DMAD BIT(15) +#define DT2821_SUPCSR_ERRINTEN BIT(14) +#define DT2821_SUPCSR_CLRDMADNE BIT(13) +#define DT2821_SUPCSR_DDMA BIT(12) +#define DT2821_SUPCSR_DS(x) (((x) & 0x3) << 10) +#define DT2821_SUPCSR_DS_PIO DT2821_SUPCSR_DS(0) +#define DT2821_SUPCSR_DS_AD_CLK DT2821_SUPCSR_DS(1) +#define DT2821_SUPCSR_DS_DA_CLK DT2821_SUPCSR_DS(2) +#define DT2821_SUPCSR_DS_AD_TRIG DT2821_SUPCSR_DS(3) +#define DT2821_SUPCSR_BUFFB BIT(9) +#define DT2821_SUPCSR_SCDN BIT(8) +#define DT2821_SUPCSR_DACON BIT(7) +#define DT2821_SUPCSR_ADCINIT BIT(6) +#define DT2821_SUPCSR_DACINIT BIT(5) +#define DT2821_SUPCSR_PRLD BIT(4) +#define DT2821_SUPCSR_STRIG BIT(3) +#define DT2821_SUPCSR_XTRIG BIT(2) +#define DT2821_SUPCSR_XCLK BIT(1) +#define DT2821_SUPCSR_BDINIT BIT(0) #define DT2821_TMRCTR_REG 0x0e static const struct comedi_lrange range_dt282x_ai_lo_bipolar = { diff --git a/drivers/staging/iio/adc/ad7606_core.c b/drivers/staging/iio/adc/ad7606_core.c index 5796ed2409d0..39bbbaaff07c 100644 --- a/drivers/staging/iio/adc/ad7606_core.c +++ b/drivers/staging/iio/adc/ad7606_core.c @@ -189,7 +189,7 @@ static ssize_t ad7606_store_oversampling_ratio(struct device *dev, mutex_lock(&indio_dev->mlock); gpio_set_value(st->pdata->gpio_os0, (ret >> 0) & 1); gpio_set_value(st->pdata->gpio_os1, (ret >> 1) & 1); - gpio_set_value(st->pdata->gpio_os1, (ret >> 2) & 1); + gpio_set_value(st->pdata->gpio_os2, (ret >> 2) & 1); st->oversampling = lval; mutex_unlock(&indio_dev->mlock); diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c index 23c95cd14167..68261b7dcefe 100644 --- a/drivers/target/iscsi/iscsi_target_tpg.c +++ b/drivers/target/iscsi/iscsi_target_tpg.c @@ -260,7 +260,6 @@ err_out: iscsi_release_param_list(tpg->param_list); tpg->param_list = NULL; } - kfree(tpg); return -ENOMEM; } diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index ff44cfa26af8..ac30a051ad71 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -205,6 +205,16 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, if (ifp->desc.bNumEndpoints >= num_ep) goto skip_to_next_endpoint_or_interface_descriptor; + /* Check for duplicate endpoint addresses */ + for (i = 0; i < ifp->desc.bNumEndpoints; ++i) { + if (ifp->endpoint[i].desc.bEndpointAddress == + d->bEndpointAddress) { + dev_warn(ddev, "config %d interface %d altsetting %d has a duplicate endpoint with address 0x%X, skipping\n", + cfgno, inum, asnum, d->bEndpointAddress); + goto skip_to_next_endpoint_or_interface_descriptor; + } + } + endpoint = &ifp->endpoint[ifp->desc.bNumEndpoints]; ++ifp->desc.bNumEndpoints; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 496d6a558793..780db8bb2262 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -101,8 +101,7 @@ EXPORT_SYMBOL_GPL(ehci_cf_port_reset_rwsem); static void hub_release(struct kref *kref); static int usb_reset_and_verify_device(struct usb_device *udev); -static void hub_usb3_port_prepare_disable(struct usb_hub *hub, - struct usb_port *port_dev); +static int hub_port_disable(struct usb_hub *hub, int port1, int set_state); static inline char *portspeed(struct usb_hub *hub, int portstatus) { @@ -885,34 +884,6 @@ static int hub_set_port_link_state(struct usb_hub *hub, int port1, } /* - * USB-3 does not have a similar link state as USB-2 that will avoid negotiating - * a connection with a plugged-in cable but will signal the host when the cable - * is unplugged. Disable remote wake and set link state to U3 for USB-3 devices - */ -static int hub_port_disable(struct usb_hub *hub, int port1, int set_state) -{ - struct usb_port *port_dev = hub->ports[port1 - 1]; - struct usb_device *hdev = hub->hdev; - int ret = 0; - - if (!hub->error) { - if (hub_is_superspeed(hub->hdev)) { - hub_usb3_port_prepare_disable(hub, port_dev); - ret = hub_set_port_link_state(hub, port_dev->portnum, - USB_SS_PORT_LS_U3); - } else { - ret = usb_clear_port_feature(hdev, port1, - USB_PORT_FEAT_ENABLE); - } - } - if (port_dev->child && set_state) - usb_set_device_state(port_dev->child, USB_STATE_NOTATTACHED); - if (ret && ret != -ENODEV) - dev_err(&port_dev->dev, "cannot disable (err = %d)\n", ret); - return ret; -} - -/* * Disable a port and mark a logical connect-change event, so that some * time later hub_wq will disconnect() any existing usb_device on the port * and will re-enumerate if there actually is a device attached. @@ -4086,6 +4057,34 @@ static int hub_handle_remote_wakeup(struct usb_hub *hub, unsigned int port, #endif /* CONFIG_PM */ +/* + * USB-3 does not have a similar link state as USB-2 that will avoid negotiating + * a connection with a plugged-in cable but will signal the host when the cable + * is unplugged. Disable remote wake and set link state to U3 for USB-3 devices + */ +static int hub_port_disable(struct usb_hub *hub, int port1, int set_state) +{ + struct usb_port *port_dev = hub->ports[port1 - 1]; + struct usb_device *hdev = hub->hdev; + int ret = 0; + + if (!hub->error) { + if (hub_is_superspeed(hub->hdev)) { + hub_usb3_port_prepare_disable(hub, port_dev); + ret = hub_set_port_link_state(hub, port_dev->portnum, + USB_SS_PORT_LS_U3); + } else { + ret = usb_clear_port_feature(hdev, port1, + USB_PORT_FEAT_ENABLE); + } + } + if (port_dev->child && set_state) + usb_set_device_state(port_dev->child, USB_STATE_NOTATTACHED); + if (ret && ret != -ENODEV) + dev_err(&port_dev->dev, "cannot disable (err = %d)\n", ret); + return ret; +} + /* USB 2.0 spec, 7.1.7.3 / fig 7-29: * diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 78be201d81f4..68d11d7d4028 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -42,9 +42,7 @@ #define DWC3_XHCI_RESOURCES_NUM 2 #define DWC3_SCRATCHBUF_SIZE 4096 /* each buffer is assumed to be 4KiB */ -#define DWC3_EVENT_SIZE 4 /* bytes */ -#define DWC3_EVENT_MAX_NUM 64 /* 2 events/endpoint */ -#define DWC3_EVENT_BUFFERS_SIZE (DWC3_EVENT_SIZE * DWC3_EVENT_MAX_NUM) +#define DWC3_EVENT_BUFFERS_SIZE 4096 #define DWC3_EVENT_TYPE_MASK 0xfe #define DWC3_EVENT_TYPE_DEV 0 diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 3d731d1b5c60..d2c0c1a8d979 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -37,6 +37,7 @@ #define PCI_DEVICE_ID_INTEL_BXT 0x0aaa #define PCI_DEVICE_ID_INTEL_APL 0x5aaa #define PCI_DEVICE_ID_INTEL_KBP 0xa2b0 +#define PCI_DEVICE_ID_INTEL_GLK 0x31aa static const struct acpi_gpio_params reset_gpios = { 0, 0, false }; static const struct acpi_gpio_params cs_gpios = { 1, 0, false }; @@ -216,6 +217,7 @@ static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_APL), }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBP), }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_GLK), }, { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), }, { } /* Terminating Entry */ }; diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index b13912d5fa99..f13e9e9fb834 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -55,20 +55,13 @@ static const char *dwc3_ep0_state_string(enum dwc3_ep0_state state) } } -static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma, - u32 len, u32 type, bool chain) +static void dwc3_ep0_prepare_one_trb(struct dwc3 *dwc, u8 epnum, + dma_addr_t buf_dma, u32 len, u32 type, bool chain) { - struct dwc3_gadget_ep_cmd_params params; struct dwc3_trb *trb; struct dwc3_ep *dep; - int ret; - dep = dwc->eps[epnum]; - if (dep->flags & DWC3_EP_BUSY) { - dwc3_trace(trace_dwc3_ep0, "%s still busy", dep->name); - return 0; - } trb = &dwc->ep0_trb[dep->free_slot]; @@ -89,15 +82,25 @@ static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma, trb->ctrl |= (DWC3_TRB_CTRL_IOC | DWC3_TRB_CTRL_LST); - if (chain) + trace_dwc3_prepare_trb(dep, trb); +} + +static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum) +{ + struct dwc3_gadget_ep_cmd_params params; + struct dwc3_ep *dep; + int ret; + + dep = dwc->eps[epnum]; + if (dep->flags & DWC3_EP_BUSY) { + dwc3_trace(trace_dwc3_ep0, "%s still busy", dep->name); return 0; + } memset(¶ms, 0, sizeof(params)); params.param0 = upper_32_bits(dwc->ep0_trb_addr); params.param1 = lower_32_bits(dwc->ep0_trb_addr); - trace_dwc3_prepare_trb(dep, trb); - ret = dwc3_send_gadget_ep_cmd(dwc, dep->number, DWC3_DEPCMD_STARTTRANSFER, ¶ms); if (ret < 0) { @@ -311,8 +314,9 @@ void dwc3_ep0_out_start(struct dwc3 *dwc) { int ret; - ret = dwc3_ep0_start_trans(dwc, 0, dwc->ctrl_req_addr, 8, + dwc3_ep0_prepare_one_trb(dwc, 0, dwc->ctrl_req_addr, 8, DWC3_TRBCTL_CONTROL_SETUP, false); + ret = dwc3_ep0_start_trans(dwc, 0); WARN_ON(ret < 0); } @@ -871,9 +875,9 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, dwc->ep0_next_event = DWC3_EP0_COMPLETE; - ret = dwc3_ep0_start_trans(dwc, epnum, - dwc->ctrl_req_addr, 0, - DWC3_TRBCTL_CONTROL_DATA, false); + dwc3_ep0_prepare_one_trb(dwc, epnum, dwc->ctrl_req_addr, + 0, DWC3_TRBCTL_CONTROL_DATA, false); + ret = dwc3_ep0_start_trans(dwc, epnum); WARN_ON(ret < 0); } } @@ -955,9 +959,10 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, req->direction = !!dep->number; if (req->request.length == 0) { - ret = dwc3_ep0_start_trans(dwc, dep->number, + dwc3_ep0_prepare_one_trb(dwc, dep->number, dwc->ctrl_req_addr, 0, DWC3_TRBCTL_CONTROL_DATA, false); + ret = dwc3_ep0_start_trans(dwc, dep->number); } else if (!IS_ALIGNED(req->request.length, dep->endpoint.maxpacket) && (dep->number == 0)) { u32 transfer_size = 0; @@ -975,7 +980,7 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, if (req->request.length > DWC3_EP0_BOUNCE_SIZE) { transfer_size = ALIGN(req->request.length - maxpacket, maxpacket); - ret = dwc3_ep0_start_trans(dwc, dep->number, + dwc3_ep0_prepare_one_trb(dwc, dep->number, req->request.dma, transfer_size, DWC3_TRBCTL_CONTROL_DATA, @@ -987,9 +992,10 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, dwc->ep0_bounced = true; - ret = dwc3_ep0_start_trans(dwc, dep->number, + dwc3_ep0_prepare_one_trb(dwc, dep->number, dwc->ep0_bounce_addr, transfer_size, DWC3_TRBCTL_CONTROL_DATA, false); + ret = dwc3_ep0_start_trans(dwc, dep->number); } else { ret = usb_gadget_map_request(&dwc->gadget, &req->request, dep->number); @@ -998,9 +1004,10 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, return; } - ret = dwc3_ep0_start_trans(dwc, dep->number, req->request.dma, + dwc3_ep0_prepare_one_trb(dwc, dep->number, req->request.dma, req->request.length, DWC3_TRBCTL_CONTROL_DATA, false); + ret = dwc3_ep0_start_trans(dwc, dep->number); } WARN_ON(ret < 0); @@ -1014,8 +1021,9 @@ static int dwc3_ep0_start_control_status(struct dwc3_ep *dep) type = dwc->three_stage_setup ? DWC3_TRBCTL_CONTROL_STATUS3 : DWC3_TRBCTL_CONTROL_STATUS2; - return dwc3_ep0_start_trans(dwc, dep->number, + dwc3_ep0_prepare_one_trb(dwc, dep->number, dwc->ctrl_req_addr, 0, type, false); + return dwc3_ep0_start_trans(dwc, dep->number); } static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 5ae2b7d3a74a..210ff64857e1 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -259,11 +259,11 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, if (req->request.status == -EINPROGRESS) req->request.status = status; - if (dwc->ep0_bounced && dep->number == 0) + if (dwc->ep0_bounced && dep->number <= 1) dwc->ep0_bounced = false; - else - usb_gadget_unmap_request(&dwc->gadget, &req->request, - req->direction); + + usb_gadget_unmap_request(&dwc->gadget, &req->request, + req->direction); dev_dbg(dwc->dev, "request %p from %s completed %d/%d ===> %d\n", req, dep->name, req->request.actual, diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 739b5e2d8adb..e2641d4dfdd6 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -152,7 +152,7 @@ ep_found: if (g->speed == USB_SPEED_HIGH && (usb_endpoint_xfer_isoc(_ep->desc) || usb_endpoint_xfer_int(_ep->desc))) - _ep->mult = usb_endpoint_maxp(_ep->desc) & 0x7ff; + _ep->mult = ((usb_endpoint_maxp(_ep->desc) & 0x1800) >> 11) + 1; if (!want_comp_desc) return 0; @@ -1601,9 +1601,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) value = min(w_length, (u16) 1); break; - /* function drivers must handle get/set altsetting; if there's - * no get() method, we know only altsetting zero works. - */ + /* function drivers must handle get/set altsetting */ case USB_REQ_SET_INTERFACE: if (ctrl->bRequestType != USB_RECIP_INTERFACE) goto unknown; @@ -1612,7 +1610,13 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) f = cdev->config->interface[intf]; if (!f) break; - if (w_value && !f->set_alt) + + /* + * If there's no get_alt() method, we know only altsetting zero + * works. There is no need to check if set_alt() is not NULL + * as we check this in usb_add_function(). + */ + if (w_value && !f->get_alt) break; value = f->set_alt(f, w_index, w_value); if (value == USB_GADGET_DELAYED_STATUS) { diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index e57f48f9528f..de014436fb22 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -1125,7 +1125,7 @@ ep0_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) /* data and/or status stage for control request */ } else if (dev->state == STATE_DEV_SETUP) { - /* IN DATA+STATUS caller makes len <= wLength */ + len = min_t(size_t, len, dev->setup_wLength); if (dev->setup_in) { retval = setup_req (dev->gadget->ep0, dev->req, len); if (retval == 0) { @@ -1755,10 +1755,12 @@ static struct usb_gadget_driver probe_driver = { * such as configuration notifications. */ -static int is_valid_config (struct usb_config_descriptor *config) +static int is_valid_config(struct usb_config_descriptor *config, + unsigned int total) { return config->bDescriptorType == USB_DT_CONFIG && config->bLength == USB_DT_CONFIG_SIZE + && total >= USB_DT_CONFIG_SIZE && config->bConfigurationValue != 0 && (config->bmAttributes & USB_CONFIG_ATT_ONE) != 0 && (config->bmAttributes & USB_CONFIG_ATT_WAKEUP) == 0; @@ -1783,7 +1785,8 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) } spin_unlock_irq(&dev->lock); - if (len < (USB_DT_CONFIG_SIZE + USB_DT_DEVICE_SIZE + 4)) + if ((len < (USB_DT_CONFIG_SIZE + USB_DT_DEVICE_SIZE + 4)) || + (len > PAGE_SIZE * 4)) return -EINVAL; /* we might need to change message format someday */ @@ -1807,7 +1810,8 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) /* full or low speed config */ dev->config = (void *) kbuf; total = le16_to_cpu(dev->config->wTotalLength); - if (!is_valid_config (dev->config) || total >= length) + if (!is_valid_config(dev->config, total) || + total > length - USB_DT_DEVICE_SIZE) goto fail; kbuf += total; length -= total; @@ -1816,10 +1820,13 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) if (kbuf [1] == USB_DT_CONFIG) { dev->hs_config = (void *) kbuf; total = le16_to_cpu(dev->hs_config->wTotalLength); - if (!is_valid_config (dev->hs_config) || total >= length) + if (!is_valid_config(dev->hs_config, total) || + total > length - USB_DT_DEVICE_SIZE) goto fail; kbuf += total; length -= total; + } else { + dev->hs_config = NULL; } /* could support multiple configs, using another encoding! */ diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c index dde44450dfa9..22d067cd5aa3 100644 --- a/drivers/usb/gadget/udc/dummy_hcd.c +++ b/drivers/usb/gadget/udc/dummy_hcd.c @@ -330,7 +330,7 @@ static void nuke(struct dummy *dum, struct dummy_ep *ep) /* caller must hold lock */ static void stop_activity(struct dummy *dum) { - struct dummy_ep *ep; + int i; /* prevent any more requests */ dum->address = 0; @@ -338,8 +338,8 @@ static void stop_activity(struct dummy *dum) /* The timer is left running so that outstanding URBs can fail */ /* nuke any pending requests first, so driver i/o is quiesced */ - list_for_each_entry(ep, &dum->gadget.ep_list, ep.ep_list) - nuke(dum, ep); + for (i = 0; i < DUMMY_ENDPOINTS; ++i) + nuke(dum, &dum->ep[i]); /* driver now does any non-usb quiescing necessary */ } diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index b9d6940479da..e9675e8f0e54 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -1346,6 +1346,35 @@ int xhci_bus_suspend(struct usb_hcd *hcd) return 0; } +/* + * Workaround for missing Cold Attach Status (CAS) if device re-plugged in S3. + * warm reset a USB3 device stuck in polling or compliance mode after resume. + * See Intel 100/c230 series PCH specification update Doc #332692-006 Errata #8 + */ +static bool xhci_port_missing_cas_quirk(int port_index, + __le32 __iomem **port_array) +{ + u32 portsc; + + portsc = readl(port_array[port_index]); + + /* if any of these are set we are not stuck */ + if (portsc & (PORT_CONNECT | PORT_CAS)) + return false; + + if (((portsc & PORT_PLS_MASK) != XDEV_POLLING) && + ((portsc & PORT_PLS_MASK) != XDEV_COMP_MODE)) + return false; + + /* clear wakeup/change bits, and do a warm port reset */ + portsc &= ~(PORT_RWC_BITS | PORT_CEC | PORT_WAKE_BITS); + portsc |= PORT_WR; + writel(portsc, port_array[port_index]); + /* flush write */ + readl(port_array[port_index]); + return true; +} + int xhci_bus_resume(struct usb_hcd *hcd) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); @@ -1383,6 +1412,14 @@ int xhci_bus_resume(struct usb_hcd *hcd) u32 temp; temp = readl(port_array[port_index]); + + /* warm reset CAS limited ports stuck in polling/compliance */ + if ((xhci->quirks & XHCI_MISSING_CAS) && + (hcd->speed >= HCD_USB3) && + xhci_port_missing_cas_quirk(port_index, port_array)) { + xhci_dbg(xhci, "reset stuck port %d\n", port_index); + continue; + } if (DEV_SUPERSPEED_ANY(temp)) temp &= ~(PORT_RWC_BITS | PORT_CEC | PORT_WAKE_BITS); else diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 8ea2c05beca2..998a738e6359 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -964,6 +964,40 @@ void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id) xhci->devs[slot_id] = NULL; } +/* + * Free a virt_device structure. + * If the virt_device added a tt_info (a hub) and has children pointing to + * that tt_info, then free the child first. Recursive. + * We can't rely on udev at this point to find child-parent relationships. + */ +void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_id) +{ + struct xhci_virt_device *vdev; + struct list_head *tt_list_head; + struct xhci_tt_bw_info *tt_info, *next; + int i; + + vdev = xhci->devs[slot_id]; + if (!vdev) + return; + + tt_list_head = &(xhci->rh_bw[vdev->real_port - 1].tts); + list_for_each_entry_safe(tt_info, next, tt_list_head, tt_list) { + /* is this a hub device that added a tt_info to the tts list */ + if (tt_info->slot_id == slot_id) { + /* are any devices using this tt_info? */ + for (i = 1; i < HCS_MAX_SLOTS(xhci->hcs_params1); i++) { + vdev = xhci->devs[i]; + if (vdev && (vdev->tt_info == tt_info)) + xhci_free_virt_devices_depth_first( + xhci, i); + } + } + } + /* we are now at a leaf device */ + xhci_free_virt_device(xhci, slot_id); +} + int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id, struct usb_device *udev, gfp_t flags) { @@ -1795,7 +1829,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) int size; int i, j, num_ports; - del_timer_sync(&xhci->cmd_timer); + cancel_delayed_work_sync(&xhci->cmd_timer); /* Free the Event Ring Segment Table and the actual Event Ring */ size = sizeof(struct xhci_erst_entry)*(xhci->erst.num_entries); @@ -1828,8 +1862,8 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) } } - for (i = 1; i < MAX_HC_SLOTS; ++i) - xhci_free_virt_device(xhci, i); + for (i = HCS_MAX_SLOTS(xhci->hcs_params1); i > 0; i--) + xhci_free_virt_devices_depth_first(xhci, i); dma_pool_destroy(xhci->segment_pool); xhci->segment_pool = NULL; @@ -2361,9 +2395,9 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) INIT_LIST_HEAD(&xhci->cmd_list); - /* init command timeout timer */ - setup_timer(&xhci->cmd_timer, xhci_handle_command_timeout, - (unsigned long)xhci); + /* init command timeout work */ + INIT_DELAYED_WORK(&xhci->cmd_timer, xhci_handle_command_timeout); + init_completion(&xhci->cmd_ring_stop_completion); page_size = readl(&xhci->op_regs->page_size); xhci_dbg_trace(xhci, trace_xhci_dbg_init, @@ -2402,7 +2436,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) * "physically contiguous and 64-byte (cache line) aligned". */ xhci->dcbaa = dma_alloc_coherent(dev, sizeof(*xhci->dcbaa), &dma, - GFP_KERNEL); + flags); if (!xhci->dcbaa) goto fail; memset(xhci->dcbaa, 0, sizeof *(xhci->dcbaa)); @@ -2498,7 +2532,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) xhci->erst.entries = dma_alloc_coherent(dev, sizeof(struct xhci_erst_entry) * ERST_NUM_SEGS, &dma, - GFP_KERNEL); + flags); if (!xhci->erst.entries) goto fail; xhci_dbg_trace(xhci, trace_xhci_dbg_init, diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index cf147ccac7d3..dd262f418140 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -51,6 +51,7 @@ #define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI 0x9d2f #define PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI 0x0aa8 #define PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI 0x1aa8 +#define PCI_DEVICE_ID_INTEL_APL_XHCI 0x5aa8 static const char hcd_name[] = "xhci_hcd"; @@ -165,9 +166,15 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI || pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI || - pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI)) { + pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI)) { xhci->quirks |= XHCI_PME_STUCK_QUIRK; } + if (pdev->vendor == PCI_VENDOR_ID_INTEL && + (pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI || + pdev->device == PCI_DEVICE_ID_INTEL_APL_XHCI)) + xhci->quirks |= XHCI_MISSING_CAS; + if (pdev->vendor == PCI_VENDOR_ID_ETRON && pdev->device == PCI_DEVICE_ID_EJ168) { xhci->quirks |= XHCI_RESET_ON_RESUME; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 62a5c8d5e028..fa5d8c2f6982 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -280,23 +280,76 @@ void xhci_ring_cmd_db(struct xhci_hcd *xhci) readl(&xhci->dba->doorbell[0]); } -static int xhci_abort_cmd_ring(struct xhci_hcd *xhci) +static bool xhci_mod_cmd_timer(struct xhci_hcd *xhci, unsigned long delay) +{ + return mod_delayed_work(system_wq, &xhci->cmd_timer, delay); +} + +static struct xhci_command *xhci_next_queued_cmd(struct xhci_hcd *xhci) +{ + return list_first_entry_or_null(&xhci->cmd_list, struct xhci_command, + cmd_list); +} + +/* + * Turn all commands on command ring with status set to "aborted" to no-op trbs. + * If there are other commands waiting then restart the ring and kick the timer. + * This must be called with command ring stopped and xhci->lock held. + */ +static void xhci_handle_stopped_cmd_ring(struct xhci_hcd *xhci, + struct xhci_command *cur_cmd) +{ + struct xhci_command *i_cmd; + u32 cycle_state; + + /* Turn all aborted commands in list to no-ops, then restart */ + list_for_each_entry(i_cmd, &xhci->cmd_list, cmd_list) { + + if (i_cmd->status != COMP_CMD_ABORT) + continue; + + i_cmd->status = COMP_CMD_STOP; + + xhci_dbg(xhci, "Turn aborted command %p to no-op\n", + i_cmd->command_trb); + /* get cycle state from the original cmd trb */ + cycle_state = le32_to_cpu( + i_cmd->command_trb->generic.field[3]) & TRB_CYCLE; + /* modify the command trb to no-op command */ + i_cmd->command_trb->generic.field[0] = 0; + i_cmd->command_trb->generic.field[1] = 0; + i_cmd->command_trb->generic.field[2] = 0; + i_cmd->command_trb->generic.field[3] = cpu_to_le32( + TRB_TYPE(TRB_CMD_NOOP) | cycle_state); + + /* + * caller waiting for completion is called when command + * completion event is received for these no-op commands + */ + } + + xhci->cmd_ring_state = CMD_RING_STATE_RUNNING; + + /* ring command ring doorbell to restart the command ring */ + if ((xhci->cmd_ring->dequeue != xhci->cmd_ring->enqueue) && + !(xhci->xhc_state & XHCI_STATE_DYING)) { + xhci->current_cmd = cur_cmd; + xhci_mod_cmd_timer(xhci, XHCI_CMD_DEFAULT_TIMEOUT); + xhci_ring_cmd_db(xhci); + } +} + +/* Must be called with xhci->lock held, releases and aquires lock back */ +static int xhci_abort_cmd_ring(struct xhci_hcd *xhci, unsigned long flags) { u64 temp_64; int ret; xhci_dbg(xhci, "Abort command ring\n"); - temp_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring); - xhci->cmd_ring_state = CMD_RING_STATE_ABORTED; + reinit_completion(&xhci->cmd_ring_stop_completion); - /* - * Writing the CMD_RING_ABORT bit should cause a cmd completion event, - * however on some host hw the CMD_RING_RUNNING bit is correctly cleared - * but the completion event in never sent. Use the cmd timeout timer to - * handle those cases. Use twice the time to cover the bit polling retry - */ - mod_timer(&xhci->cmd_timer, jiffies + (2 * XHCI_CMD_DEFAULT_TIMEOUT)); + temp_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring); xhci_write_64(xhci, temp_64 | CMD_RING_ABORT, &xhci->op_regs->cmd_ring); @@ -316,16 +369,30 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci) udelay(1000); ret = xhci_handshake(&xhci->op_regs->cmd_ring, CMD_RING_RUNNING, 0, 3 * 1000 * 1000); - if (ret == 0) - return 0; - - xhci_err(xhci, "Stopped the command ring failed, " - "maybe the host is dead\n"); - del_timer(&xhci->cmd_timer); - xhci->xhc_state |= XHCI_STATE_DYING; - xhci_quiesce(xhci); - xhci_halt(xhci); - return -ESHUTDOWN; + if (ret < 0) { + xhci_err(xhci, "Stopped the command ring failed, " + "maybe the host is dead\n"); + xhci->xhc_state |= XHCI_STATE_DYING; + xhci_quiesce(xhci); + xhci_halt(xhci); + return -ESHUTDOWN; + } + } + /* + * Writing the CMD_RING_ABORT bit should cause a cmd completion event, + * however on some host hw the CMD_RING_RUNNING bit is correctly cleared + * but the completion event in never sent. Wait 2 secs (arbitrary + * number) to handle those cases after negation of CMD_RING_RUNNING. + */ + spin_unlock_irqrestore(&xhci->lock, flags); + ret = wait_for_completion_timeout(&xhci->cmd_ring_stop_completion, + msecs_to_jiffies(2000)); + spin_lock_irqsave(&xhci->lock, flags); + if (!ret) { + xhci_dbg(xhci, "No stop event for abort, ring start fail?\n"); + xhci_cleanup_command_queue(xhci); + } else { + xhci_handle_stopped_cmd_ring(xhci, xhci_next_queued_cmd(xhci)); } return 0; @@ -1208,101 +1275,62 @@ void xhci_cleanup_command_queue(struct xhci_hcd *xhci) xhci_complete_del_and_free_cmd(cur_cmd, COMP_CMD_ABORT); } -/* - * Turn all commands on command ring with status set to "aborted" to no-op trbs. - * If there are other commands waiting then restart the ring and kick the timer. - * This must be called with command ring stopped and xhci->lock held. - */ -static void xhci_handle_stopped_cmd_ring(struct xhci_hcd *xhci, - struct xhci_command *cur_cmd) -{ - struct xhci_command *i_cmd, *tmp_cmd; - u32 cycle_state; - - /* Turn all aborted commands in list to no-ops, then restart */ - list_for_each_entry_safe(i_cmd, tmp_cmd, &xhci->cmd_list, - cmd_list) { - - if (i_cmd->status != COMP_CMD_ABORT) - continue; - - i_cmd->status = COMP_CMD_STOP; - - xhci_dbg(xhci, "Turn aborted command %p to no-op\n", - i_cmd->command_trb); - /* get cycle state from the original cmd trb */ - cycle_state = le32_to_cpu( - i_cmd->command_trb->generic.field[3]) & TRB_CYCLE; - /* modify the command trb to no-op command */ - i_cmd->command_trb->generic.field[0] = 0; - i_cmd->command_trb->generic.field[1] = 0; - i_cmd->command_trb->generic.field[2] = 0; - i_cmd->command_trb->generic.field[3] = cpu_to_le32( - TRB_TYPE(TRB_CMD_NOOP) | cycle_state); - - /* - * caller waiting for completion is called when command - * completion event is received for these no-op commands - */ - } - - xhci->cmd_ring_state = CMD_RING_STATE_RUNNING; - - /* ring command ring doorbell to restart the command ring */ - if ((xhci->cmd_ring->dequeue != xhci->cmd_ring->enqueue) && - !(xhci->xhc_state & XHCI_STATE_DYING)) { - xhci->current_cmd = cur_cmd; - mod_timer(&xhci->cmd_timer, jiffies + XHCI_CMD_DEFAULT_TIMEOUT); - xhci_ring_cmd_db(xhci); - } - return; -} - - -void xhci_handle_command_timeout(unsigned long data) +void xhci_handle_command_timeout(struct work_struct *work) { struct xhci_hcd *xhci; int ret; unsigned long flags; u64 hw_ring_state; - bool second_timeout = false; - xhci = (struct xhci_hcd *) data; - /* mark this command to be cancelled */ + xhci = container_of(to_delayed_work(work), struct xhci_hcd, cmd_timer); + spin_lock_irqsave(&xhci->lock, flags); - if (xhci->current_cmd) { - if (xhci->current_cmd->status == COMP_CMD_ABORT) - second_timeout = true; - xhci->current_cmd->status = COMP_CMD_ABORT; + + /* + * If timeout work is pending, or current_cmd is NULL, it means we + * raced with command completion. Command is handled so just return. + */ + if (!xhci->current_cmd || delayed_work_pending(&xhci->cmd_timer)) { + spin_unlock_irqrestore(&xhci->lock, flags); + return; } + /* mark this command to be cancelled */ + xhci->current_cmd->status = COMP_CMD_ABORT; /* Make sure command ring is running before aborting it */ hw_ring_state = xhci_read_64(xhci, &xhci->op_regs->cmd_ring); if ((xhci->cmd_ring_state & CMD_RING_STATE_RUNNING) && (hw_ring_state & CMD_RING_RUNNING)) { - spin_unlock_irqrestore(&xhci->lock, flags); + /* Prevent new doorbell, and start command abort */ + xhci->cmd_ring_state = CMD_RING_STATE_ABORTED; xhci_dbg(xhci, "Command timeout\n"); - ret = xhci_abort_cmd_ring(xhci); + ret = xhci_abort_cmd_ring(xhci, flags); if (unlikely(ret == -ESHUTDOWN)) { xhci_err(xhci, "Abort command ring failed\n"); xhci_cleanup_command_queue(xhci); + spin_unlock_irqrestore(&xhci->lock, flags); usb_hc_died(xhci_to_hcd(xhci)->primary_hcd); xhci_dbg(xhci, "xHCI host controller is dead.\n"); + + return; } - return; + + goto time_out_completed; } - /* command ring failed to restart, or host removed. Bail out */ - if (second_timeout || xhci->xhc_state & XHCI_STATE_REMOVING) { - spin_unlock_irqrestore(&xhci->lock, flags); - xhci_dbg(xhci, "command timed out twice, ring start fail?\n"); + /* host removed. Bail out */ + if (xhci->xhc_state & XHCI_STATE_REMOVING) { + xhci_dbg(xhci, "host removed, ring start fail?\n"); xhci_cleanup_command_queue(xhci); - return; + + goto time_out_completed; } /* command timeout on stopped ring, ring can't be aborted */ xhci_dbg(xhci, "Command timeout on stopped ring\n"); xhci_handle_stopped_cmd_ring(xhci, xhci->current_cmd); + +time_out_completed: spin_unlock_irqrestore(&xhci->lock, flags); return; } @@ -1335,7 +1363,7 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, cmd = list_entry(xhci->cmd_list.next, struct xhci_command, cmd_list); - del_timer(&xhci->cmd_timer); + cancel_delayed_work(&xhci->cmd_timer); trace_xhci_cmd_completion(cmd_trb, (struct xhci_generic_trb *) event); @@ -1343,7 +1371,7 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, /* If CMD ring stopped we own the trbs between enqueue and dequeue */ if (cmd_comp_code == COMP_CMD_STOP) { - xhci_handle_stopped_cmd_ring(xhci, cmd); + complete_all(&xhci->cmd_ring_stop_completion); return; } @@ -1361,8 +1389,11 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, */ if (cmd_comp_code == COMP_CMD_ABORT) { xhci->cmd_ring_state = CMD_RING_STATE_STOPPED; - if (cmd->status == COMP_CMD_ABORT) + if (cmd->status == COMP_CMD_ABORT) { + if (xhci->current_cmd == cmd) + xhci->current_cmd = NULL; goto event_handled; + } } cmd_type = TRB_FIELD_TO_TYPE(le32_to_cpu(cmd_trb->generic.field[3])); @@ -1423,7 +1454,9 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, if (cmd->cmd_list.next != &xhci->cmd_list) { xhci->current_cmd = list_entry(cmd->cmd_list.next, struct xhci_command, cmd_list); - mod_timer(&xhci->cmd_timer, jiffies + XHCI_CMD_DEFAULT_TIMEOUT); + xhci_mod_cmd_timer(xhci, XHCI_CMD_DEFAULT_TIMEOUT); + } else if (xhci->current_cmd == cmd) { + xhci->current_cmd = NULL; } event_handled: @@ -4056,9 +4089,9 @@ static int queue_command(struct xhci_hcd *xhci, struct xhci_command *cmd, /* if there are no other commands queued we start the timeout timer */ if (xhci->cmd_list.next == &cmd->cmd_list && - !timer_pending(&xhci->cmd_timer)) { + !delayed_work_pending(&xhci->cmd_timer)) { xhci->current_cmd = cmd; - mod_timer(&xhci->cmd_timer, jiffies + XHCI_CMD_DEFAULT_TIMEOUT); + xhci_mod_cmd_timer(xhci, XHCI_CMD_DEFAULT_TIMEOUT); } queue_trb(xhci, xhci->cmd_ring, false, field1, field2, field3, diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index adc169d2fd76..a8b3c0fc11fb 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3808,8 +3808,10 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev, mutex_lock(&xhci->mutex); - if (xhci->xhc_state) /* dying, removing or halted */ + if (xhci->xhc_state) { /* dying, removing or halted */ + ret = -ESHUTDOWN; goto out; + } if (!udev->slot_id) { xhci_dbg_trace(xhci, trace_xhci_dbg_address, diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 99ac2289dbf3..fc2ee6c272c4 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -312,6 +312,8 @@ struct xhci_op_regs { #define XDEV_U2 (0x2 << 5) #define XDEV_U3 (0x3 << 5) #define XDEV_INACTIVE (0x6 << 5) +#define XDEV_POLLING (0x7 << 5) +#define XDEV_COMP_MODE (0xa << 5) #define XDEV_RESUME (0xf << 5) /* true: port has power (see HCC_PPC) */ #define PORT_POWER (1 << 9) @@ -1550,7 +1552,8 @@ struct xhci_hcd { #define CMD_RING_STATE_STOPPED (1 << 2) struct list_head cmd_list; unsigned int cmd_ring_reserved_trbs; - struct timer_list cmd_timer; + struct delayed_work cmd_timer; + struct completion cmd_ring_stop_completion; struct xhci_command *current_cmd; struct xhci_ring *event_ring; struct xhci_erst erst; @@ -1631,6 +1634,7 @@ struct xhci_hcd { /* For controllers with a broken beyond repair streams implementation */ #define XHCI_BROKEN_STREAMS (1 << 19) #define XHCI_PME_STUCK_QUIRK (1 << 20) +#define XHCI_MISSING_CAS (1 << 24) unsigned int num_active_eps; unsigned int limit_active_eps; /* There are two roothubs to keep track of bus suspend info for */ @@ -1912,7 +1916,7 @@ void xhci_queue_config_ep_quirk(struct xhci_hcd *xhci, unsigned int slot_id, unsigned int ep_index, struct xhci_dequeue_state *deq_state); void xhci_stop_endpoint_command_watchdog(unsigned long arg); -void xhci_handle_command_timeout(unsigned long data); +void xhci_handle_command_timeout(struct work_struct *work); void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id, unsigned int ep_index, unsigned int stream_id); diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c index 310238c6b5cd..896798071817 100644 --- a/drivers/usb/musb/blackfin.c +++ b/drivers/usb/musb/blackfin.c @@ -469,6 +469,7 @@ static const struct musb_platform_ops bfin_ops = { .init = bfin_musb_init, .exit = bfin_musb_exit, + .fifo_offset = bfin_fifo_offset, .readb = bfin_readb, .writeb = bfin_writeb, .readw = bfin_readw, diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index 2337d7a7d62d..90de7900e4b8 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -214,6 +214,7 @@ struct musb_platform_ops { dma_addr_t *dma_addr, u32 *len); void (*pre_root_reset_end)(struct musb *musb); void (*post_root_reset_end)(struct musb *musb); + void (*clear_ep_rxintr)(struct musb *musb, int epnum); }; /* @@ -612,4 +613,10 @@ static inline void musb_platform_post_root_reset_end(struct musb *musb) musb->ops->post_root_reset_end(musb); } +static inline void musb_platform_clear_ep_rxintr(struct musb *musb, int epnum) +{ + if (musb->ops->clear_ep_rxintr) + musb->ops->clear_ep_rxintr(musb, epnum); +} + #endif /* __MUSB_CORE_H__ */ diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index eeb7d9ecf7df..5a021b26d7d2 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -301,6 +301,17 @@ static void otg_timer(unsigned long _musb) spin_unlock_irqrestore(&musb->lock, flags); } +void dsps_musb_clear_ep_rxintr(struct musb *musb, int epnum) +{ + u32 epintr; + struct dsps_glue *glue = dev_get_drvdata(musb->controller->parent); + const struct dsps_musb_wrapper *wrp = glue->wrp; + + /* musb->lock might already been held */ + epintr = (1 << epnum) << wrp->rxep_shift; + musb_writel(musb->ctrl_base, wrp->epintr_status, epintr); +} + static irqreturn_t dsps_interrupt(int irq, void *hci) { struct musb *musb = hci; @@ -647,6 +658,7 @@ static struct musb_platform_ops dsps_ops = { .try_idle = dsps_musb_try_idle, .set_mode = dsps_musb_set_mode, .recover = dsps_musb_recover, + .clear_ep_rxintr = dsps_musb_clear_ep_rxintr, }; static u64 musb_dmamask = DMA_BIT_MASK(32); diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index e0a083f6ab68..13d5614f37f1 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -2390,12 +2390,11 @@ static int musb_cleanup_urb(struct urb *urb, struct musb_qh *qh) int is_in = usb_pipein(urb->pipe); int status = 0; u16 csr; + struct dma_channel *dma = NULL; musb_ep_select(regs, hw_end); if (is_dma_capable()) { - struct dma_channel *dma; - dma = is_in ? ep->rx_channel : ep->tx_channel; if (dma) { status = ep->musb->dma_controller->channel_abort(dma); @@ -2412,10 +2411,9 @@ static int musb_cleanup_urb(struct urb *urb, struct musb_qh *qh) /* giveback saves bulk toggle */ csr = musb_h_flush_rxfifo(ep, 0); - /* REVISIT we still get an irq; should likely clear the - * endpoint's irq status here to avoid bogus irqs. - * clearing that status is platform-specific... - */ + /* clear the endpoint's irq status here to avoid bogus irqs */ + if (is_dma_capable() && dma) + musb_platform_clear_ep_rxintr(musb, ep->epnum); } else if (ep->epnum) { musb_h_tx_flush_fifo(ep); csr = musb_readw(epio, MUSB_TXCSR); diff --git a/drivers/usb/musb/musbhsdma.h b/drivers/usb/musb/musbhsdma.h index f7b13fd25257..a3dcbd55e436 100644 --- a/drivers/usb/musb/musbhsdma.h +++ b/drivers/usb/musb/musbhsdma.h @@ -157,5 +157,5 @@ struct musb_dma_controller { void __iomem *base; u8 channel_count; u8 used_channels; - u8 irq; + int irq; }; diff --git a/drivers/usb/phy/phy-am335x-control.c b/drivers/usb/phy/phy-am335x-control.c index 7b3035ff9434..1b4d742a2397 100644 --- a/drivers/usb/phy/phy-am335x-control.c +++ b/drivers/usb/phy/phy-am335x-control.c @@ -126,10 +126,12 @@ struct phy_control *am335x_get_phy_control(struct device *dev) return NULL; dev = bus_find_device(&platform_bus_type, NULL, node, match); + of_node_put(node); if (!dev) return NULL; ctrl_usb = dev_get_drvdata(dev); + put_device(dev); if (!ctrl_usb) return NULL; return &ctrl_usb->phy_ctrl; diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index 2916dea3ede8..8948f375e75d 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -50,6 +50,7 @@ #define CYBERJACK_PRODUCT_ID 0x0100 /* Function prototypes */ +static int cyberjack_attach(struct usb_serial *serial); static int cyberjack_port_probe(struct usb_serial_port *port); static int cyberjack_port_remove(struct usb_serial_port *port); static int cyberjack_open(struct tty_struct *tty, @@ -77,6 +78,7 @@ static struct usb_serial_driver cyberjack_device = { .description = "Reiner SCT Cyberjack USB card reader", .id_table = id_table, .num_ports = 1, + .attach = cyberjack_attach, .port_probe = cyberjack_port_probe, .port_remove = cyberjack_port_remove, .open = cyberjack_open, @@ -100,6 +102,14 @@ struct cyberjack_private { short wrsent; /* Data already sent */ }; +static int cyberjack_attach(struct usb_serial *serial) +{ + if (serial->num_bulk_out < serial->num_ports) + return -ENODEV; + + return 0; +} + static int cyberjack_port_probe(struct usb_serial_port *port) { struct cyberjack_private *priv; diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index db591d19d416..37d0e8cc7af6 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -1044,6 +1044,7 @@ static int garmin_write_bulk(struct usb_serial_port *port, "%s - usb_submit_urb(write bulk) failed with status = %d\n", __func__, status); count = status; + kfree(buffer); } /* we are done with this urb, so let the host driver diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index 1947ea0e0988..b63a6c3899c5 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -2761,6 +2761,11 @@ static int edge_startup(struct usb_serial *serial) EDGE_COMPATIBILITY_MASK1, EDGE_COMPATIBILITY_MASK2 }; + if (serial->num_bulk_in < 1 || serial->num_interrupt_in < 1) { + dev_err(&serial->interface->dev, "missing endpoints\n"); + return -ENODEV; + } + dev = serial->dev; /* create our private serial structure */ diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index fce82fd79f77..c02808a30436 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -1499,8 +1499,7 @@ static int do_boot_mode(struct edgeport_serial *serial, dev_dbg(dev, "%s - Download successful -- Device rebooting...\n", __func__); - /* return an error on purpose */ - return -ENODEV; + return 1; } stayinbootmode: @@ -1508,7 +1507,7 @@ stayinbootmode: dev_dbg(dev, "%s - STAYING IN BOOT MODE\n", __func__); serial->product_info.TiMode = TI_MODE_BOOT; - return 0; + return 1; } static int ti_do_config(struct edgeport_port *port, int feature, int on) @@ -2549,6 +2548,13 @@ static int edge_startup(struct usb_serial *serial) int status; u16 product_id; + /* Make sure we have the required endpoints when in download mode. */ + if (serial->interface->cur_altsetting->desc.bNumEndpoints > 1) { + if (serial->num_bulk_in < serial->num_ports || + serial->num_bulk_out < serial->num_ports) + return -ENODEV; + } + /* create our private serial structure */ edge_serial = kzalloc(sizeof(struct edgeport_serial), GFP_KERNEL); if (!edge_serial) @@ -2556,14 +2562,18 @@ static int edge_startup(struct usb_serial *serial) mutex_init(&edge_serial->es_lock); edge_serial->serial = serial; + INIT_DELAYED_WORK(&edge_serial->heartbeat_work, edge_heartbeat_work); usb_set_serial_data(serial, edge_serial); status = download_fw(edge_serial); - if (status) { + if (status < 0) { kfree(edge_serial); return status; } + if (status > 0) + return 1; /* bind but do not register any ports */ + product_id = le16_to_cpu( edge_serial->serial->dev->descriptor.idProduct); @@ -2575,7 +2585,6 @@ static int edge_startup(struct usb_serial *serial) } } - INIT_DELAYED_WORK(&edge_serial->heartbeat_work, edge_heartbeat_work); edge_heartbeat_schedule(edge_serial); return 0; @@ -2583,6 +2592,9 @@ static int edge_startup(struct usb_serial *serial) static void edge_disconnect(struct usb_serial *serial) { + struct edgeport_serial *edge_serial = usb_get_serial_data(serial); + + cancel_delayed_work_sync(&edge_serial->heartbeat_work); } static void edge_release(struct usb_serial *serial) diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c index 5ad4a0fb4b26..7ed7d33d6c10 100644 --- a/drivers/usb/serial/iuu_phoenix.c +++ b/drivers/usb/serial/iuu_phoenix.c @@ -68,6 +68,16 @@ struct iuu_private { u32 clk; }; +static int iuu_attach(struct usb_serial *serial) +{ + unsigned char num_ports = serial->num_ports; + + if (serial->num_bulk_in < num_ports || serial->num_bulk_out < num_ports) + return -ENODEV; + + return 0; +} + static int iuu_port_probe(struct usb_serial_port *port) { struct iuu_private *priv; @@ -1196,6 +1206,7 @@ static struct usb_serial_driver iuu_device = { .tiocmset = iuu_tiocmset, .set_termios = iuu_set_termios, .init_termios = iuu_init_termios, + .attach = iuu_attach, .port_probe = iuu_port_probe, .port_remove = iuu_port_remove, }; diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index 4f7e072e4e00..930be98d59b3 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -699,6 +699,19 @@ MODULE_FIRMWARE("keyspan_pda/keyspan_pda.fw"); MODULE_FIRMWARE("keyspan_pda/xircom_pgs.fw"); #endif +static int keyspan_pda_attach(struct usb_serial *serial) +{ + unsigned char num_ports = serial->num_ports; + + if (serial->num_bulk_out < num_ports || + serial->num_interrupt_in < num_ports) { + dev_err(&serial->interface->dev, "missing endpoints\n"); + return -ENODEV; + } + + return 0; +} + static int keyspan_pda_port_probe(struct usb_serial_port *port) { @@ -776,6 +789,7 @@ static struct usb_serial_driver keyspan_pda_device = { .break_ctl = keyspan_pda_break_ctl, .tiocmget = keyspan_pda_tiocmget, .tiocmset = keyspan_pda_tiocmset, + .attach = keyspan_pda_attach, .port_probe = keyspan_pda_port_probe, .port_remove = keyspan_pda_port_remove, }; diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index 53c90131764d..cd0322502ab1 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -311,6 +311,7 @@ static int klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port) if (rc < 0) { dev_err(&port->dev, "Enabling read failed (error = %d)\n", rc); retval = rc; + goto err_generic_close; } else dev_dbg(&port->dev, "%s - enabled reading\n", __func__); @@ -337,6 +338,7 @@ err_disable_read: 0, /* index */ NULL, 0, KLSI_TIMEOUT); +err_generic_close: usb_serial_generic_close(port); err_free_cfg: kfree(cfg); diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index 2363654cafc9..813035f51fe7 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -51,6 +51,7 @@ /* Function prototypes */ +static int kobil_attach(struct usb_serial *serial); static int kobil_port_probe(struct usb_serial_port *probe); static int kobil_port_remove(struct usb_serial_port *probe); static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port); @@ -86,6 +87,7 @@ static struct usb_serial_driver kobil_device = { .description = "KOBIL USB smart card terminal", .id_table = id_table, .num_ports = 1, + .attach = kobil_attach, .port_probe = kobil_port_probe, .port_remove = kobil_port_remove, .ioctl = kobil_ioctl, @@ -113,6 +115,16 @@ struct kobil_private { }; +static int kobil_attach(struct usb_serial *serial) +{ + if (serial->num_interrupt_out < serial->num_ports) { + dev_err(&serial->interface->dev, "missing interrupt-out endpoint\n"); + return -ENODEV; + } + + return 0; +} + static int kobil_port_probe(struct usb_serial_port *port) { struct usb_serial *serial = port->serial; diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 63db004af21f..e56cdb436de3 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -65,8 +65,6 @@ struct moschip_port { struct urb *write_urb_pool[NUM_URBS]; }; -static struct usb_serial_driver moschip7720_2port_driver; - #define USB_VENDOR_ID_MOSCHIP 0x9710 #define MOSCHIP_DEVICE_ID_7720 0x7720 #define MOSCHIP_DEVICE_ID_7715 0x7715 @@ -970,25 +968,6 @@ static void mos7720_bulk_out_data_callback(struct urb *urb) tty_port_tty_wakeup(&mos7720_port->port->port); } -/* - * mos77xx_probe - * this function installs the appropriate read interrupt endpoint callback - * depending on whether the device is a 7720 or 7715, thus avoiding costly - * run-time checks in the high-frequency callback routine itself. - */ -static int mos77xx_probe(struct usb_serial *serial, - const struct usb_device_id *id) -{ - if (id->idProduct == MOSCHIP_DEVICE_ID_7715) - moschip7720_2port_driver.read_int_callback = - mos7715_interrupt_callback; - else - moschip7720_2port_driver.read_int_callback = - mos7720_interrupt_callback; - - return 0; -} - static int mos77xx_calc_num_ports(struct usb_serial *serial) { u16 product = le16_to_cpu(serial->dev->descriptor.idProduct); @@ -1920,6 +1899,11 @@ static int mos7720_startup(struct usb_serial *serial) u16 product; int ret_val; + if (serial->num_bulk_in < 2 || serial->num_bulk_out < 2) { + dev_err(&serial->interface->dev, "missing bulk endpoints\n"); + return -ENODEV; + } + product = le16_to_cpu(serial->dev->descriptor.idProduct); dev = serial->dev; @@ -1944,19 +1928,18 @@ static int mos7720_startup(struct usb_serial *serial) tmp->interrupt_in_endpointAddress; serial->port[1]->interrupt_in_urb = NULL; serial->port[1]->interrupt_in_buffer = NULL; + + if (serial->port[0]->interrupt_in_urb) { + struct urb *urb = serial->port[0]->interrupt_in_urb; + + urb->complete = mos7715_interrupt_callback; + } } /* setting configuration feature to one */ usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), (__u8)0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5000); - /* start the interrupt urb */ - ret_val = usb_submit_urb(serial->port[0]->interrupt_in_urb, GFP_KERNEL); - if (ret_val) - dev_err(&dev->dev, - "%s - Error %d submitting control urb\n", - __func__, ret_val); - #ifdef CONFIG_USB_SERIAL_MOS7715_PARPORT if (product == MOSCHIP_DEVICE_ID_7715) { ret_val = mos7715_parport_init(serial); @@ -1964,6 +1947,13 @@ static int mos7720_startup(struct usb_serial *serial) return ret_val; } #endif + /* start the interrupt urb */ + ret_val = usb_submit_urb(serial->port[0]->interrupt_in_urb, GFP_KERNEL); + if (ret_val) { + dev_err(&dev->dev, "failed to submit interrupt urb: %d\n", + ret_val); + } + /* LSR For Port 1 */ read_mos_reg(serial, 0, MOS7720_LSR, &data); dev_dbg(&dev->dev, "LSR:%x\n", data); @@ -1973,6 +1963,8 @@ static int mos7720_startup(struct usb_serial *serial) static void mos7720_release(struct usb_serial *serial) { + usb_kill_urb(serial->port[0]->interrupt_in_urb); + #ifdef CONFIG_USB_SERIAL_MOS7715_PARPORT /* close the parallel port */ @@ -2056,7 +2048,6 @@ static struct usb_serial_driver moschip7720_2port_driver = { .close = mos7720_close, .throttle = mos7720_throttle, .unthrottle = mos7720_unthrottle, - .probe = mos77xx_probe, .attach = mos7720_startup, .release = mos7720_release, .port_probe = mos7720_port_probe, @@ -2070,7 +2061,7 @@ static struct usb_serial_driver moschip7720_2port_driver = { .chars_in_buffer = mos7720_chars_in_buffer, .break_ctl = mos7720_break, .read_bulk_callback = mos7720_bulk_in_callback, - .read_int_callback = NULL /* dynamically assigned in probe() */ + .read_int_callback = mos7720_interrupt_callback, }; static struct usb_serial_driver * const serial_drivers[] = { diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 7f3ddd7ba2ce..97ea52b5cfd4 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -2116,6 +2116,17 @@ static int mos7840_calc_num_ports(struct usb_serial *serial) return mos7840_num_ports; } +static int mos7840_attach(struct usb_serial *serial) +{ + if (serial->num_bulk_in < serial->num_ports || + serial->num_bulk_out < serial->num_ports) { + dev_err(&serial->interface->dev, "missing endpoints\n"); + return -ENODEV; + } + + return 0; +} + static int mos7840_port_probe(struct usb_serial_port *port) { struct usb_serial *serial = port->serial; @@ -2391,6 +2402,7 @@ static struct usb_serial_driver moschip7840_4port_device = { .tiocmset = mos7840_tiocmset, .tiocmiwait = usb_serial_generic_tiocmiwait, .get_icount = usb_serial_generic_get_icount, + .attach = mos7840_attach, .port_probe = mos7840_port_probe, .port_remove = mos7840_port_remove, .read_bulk_callback = mos7840_bulk_in_callback, diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index f6c6900bccf0..a180b17d2432 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -38,6 +38,7 @@ static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count); static int omninet_write_room(struct tty_struct *tty); static void omninet_disconnect(struct usb_serial *serial); +static int omninet_attach(struct usb_serial *serial); static int omninet_port_probe(struct usb_serial_port *port); static int omninet_port_remove(struct usb_serial_port *port); @@ -56,6 +57,7 @@ static struct usb_serial_driver zyxel_omninet_device = { .description = "ZyXEL - omni.net lcd plus usb", .id_table = id_table, .num_ports = 1, + .attach = omninet_attach, .port_probe = omninet_port_probe, .port_remove = omninet_port_remove, .open = omninet_open, @@ -104,6 +106,17 @@ struct omninet_data { __u8 od_outseq; /* Sequence number for bulk_out URBs */ }; +static int omninet_attach(struct usb_serial *serial) +{ + /* The second bulk-out endpoint is used for writing. */ + if (serial->num_bulk_out < 2) { + dev_err(&serial->interface->dev, "missing endpoints\n"); + return -ENODEV; + } + + return 0; +} + static int omninet_port_probe(struct usb_serial_port *port) { struct omninet_data *od; diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c index a4b88bc038b6..b8bf52bf7a94 100644 --- a/drivers/usb/serial/oti6858.c +++ b/drivers/usb/serial/oti6858.c @@ -134,6 +134,7 @@ static int oti6858_chars_in_buffer(struct tty_struct *tty); static int oti6858_tiocmget(struct tty_struct *tty); static int oti6858_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear); +static int oti6858_attach(struct usb_serial *serial); static int oti6858_port_probe(struct usb_serial_port *port); static int oti6858_port_remove(struct usb_serial_port *port); @@ -158,6 +159,7 @@ static struct usb_serial_driver oti6858_device = { .write_bulk_callback = oti6858_write_bulk_callback, .write_room = oti6858_write_room, .chars_in_buffer = oti6858_chars_in_buffer, + .attach = oti6858_attach, .port_probe = oti6858_port_probe, .port_remove = oti6858_port_remove, }; @@ -324,6 +326,20 @@ static void send_data(struct work_struct *work) usb_serial_port_softint(port); } +static int oti6858_attach(struct usb_serial *serial) +{ + unsigned char num_ports = serial->num_ports; + + if (serial->num_bulk_in < num_ports || + serial->num_bulk_out < num_ports || + serial->num_interrupt_in < num_ports) { + dev_err(&serial->interface->dev, "missing endpoints\n"); + return -ENODEV; + } + + return 0; +} + static int oti6858_port_probe(struct usb_serial_port *port) { struct oti6858_private *priv; diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index ae682e4eeaef..46fca6b75846 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -220,9 +220,17 @@ static int pl2303_probe(struct usb_serial *serial, static int pl2303_startup(struct usb_serial *serial) { struct pl2303_serial_private *spriv; + unsigned char num_ports = serial->num_ports; enum pl2303_type type = TYPE_01; unsigned char *buf; + if (serial->num_bulk_in < num_ports || + serial->num_bulk_out < num_ports || + serial->num_interrupt_in < num_ports) { + dev_err(&serial->interface->dev, "missing endpoints\n"); + return -ENODEV; + } + spriv = kzalloc(sizeof(*spriv), GFP_KERNEL); if (!spriv) return -ENOMEM; diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index b18974cbd995..a3ed07c58754 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -408,16 +408,12 @@ static void qt2_close(struct usb_serial_port *port) { struct usb_serial *serial; struct qt2_port_private *port_priv; - unsigned long flags; int i; serial = port->serial; port_priv = usb_get_serial_port_data(port); - spin_lock_irqsave(&port_priv->urb_lock, flags); usb_kill_urb(port_priv->write_urb); - port_priv->urb_in_use = false; - spin_unlock_irqrestore(&port_priv->urb_lock, flags); /* flush the port transmit buffer */ i = usb_control_msg(serial->dev, diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c index ef0dbf0703c5..475e6c31b266 100644 --- a/drivers/usb/serial/spcp8x5.c +++ b/drivers/usb/serial/spcp8x5.c @@ -154,6 +154,19 @@ static int spcp8x5_probe(struct usb_serial *serial, return 0; } +static int spcp8x5_attach(struct usb_serial *serial) +{ + unsigned char num_ports = serial->num_ports; + + if (serial->num_bulk_in < num_ports || + serial->num_bulk_out < num_ports) { + dev_err(&serial->interface->dev, "missing endpoints\n"); + return -ENODEV; + } + + return 0; +} + static int spcp8x5_port_probe(struct usb_serial_port *port) { const struct usb_device_id *id = usb_get_serial_data(port->serial); @@ -477,6 +490,7 @@ static struct usb_serial_driver spcp8x5_device = { .tiocmget = spcp8x5_tiocmget, .tiocmset = spcp8x5_tiocmset, .probe = spcp8x5_probe, + .attach = spcp8x5_attach, .port_probe = spcp8x5_port_probe, .port_remove = spcp8x5_port_remove, }; diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 2694df2f4559..535fcfafc097 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -339,6 +339,13 @@ static int ti_startup(struct usb_serial *serial) goto free_tdev; } + if (serial->num_bulk_in < serial->num_ports || + serial->num_bulk_out < serial->num_ports) { + dev_err(&serial->interface->dev, "missing endpoints\n"); + status = -ENODEV; + goto free_tdev; + } + return 0; free_tdev: diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 7ffe4209067b..640a2e2ec04d 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2135,6 +2135,13 @@ UNUSUAL_DEV( 0x22b8, 0x3010, 0x0001, 0x0001, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_FIX_CAPACITY | US_FL_IGNORE_RESIDUE ), +/* Reported-by George Cherian */ +UNUSUAL_DEV(0x152d, 0x9561, 0x0000, 0x9999, + "JMicron", + "JMS56x", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_NO_REPORT_OPCODES), + /* * Patch by Constantin Baranov * Report by Andreas Koenecke. diff --git a/include/linux/capability.h b/include/linux/capability.h index 2654f75a4c46..b20ffe23a09b 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -40,8 +40,6 @@ struct inode; struct dentry; struct user_namespace; -struct user_namespace *current_user_ns(void); - extern const kernel_cap_t __cap_empty_set; extern const kernel_cap_t __cap_init_eff_set; diff --git a/include/linux/cred.h b/include/linux/cred.h index 8d70e1361ecd..257db64562e5 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -377,7 +377,10 @@ extern struct user_namespace init_user_ns; #ifdef CONFIG_USER_NS #define current_user_ns() (current_cred_xxx(user_ns)) #else -#define current_user_ns() (&init_user_ns) +static inline struct user_namespace *current_user_ns(void) +{ + return &init_user_ns; +} #endif diff --git a/kernel/cpu.c b/kernel/cpu.c index cd6d1258554e..40d20bf5de28 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -223,10 +223,6 @@ static int cpu_notify(unsigned long val, void *v) return __cpu_notify(val, v, -1, NULL); } -static void cpu_notify_nofail(unsigned long val, void *v) -{ - BUG_ON(cpu_notify(val, v)); -} EXPORT_SYMBOL(register_cpu_notifier); EXPORT_SYMBOL(__register_cpu_notifier); @@ -245,6 +241,11 @@ void __unregister_cpu_notifier(struct notifier_block *nb) EXPORT_SYMBOL(__unregister_cpu_notifier); #ifdef CONFIG_HOTPLUG_CPU +static void cpu_notify_nofail(unsigned long val, void *v) +{ + BUG_ON(cpu_notify(val, v)); +} + /** * clear_tasks_mm_cpumask - Safely clear tasks' mm_cpumask for a CPU * @cpu: a CPU id diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index f6aae7977824..d2a20e83ebae 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -871,6 +871,9 @@ void tick_broadcast_setup_oneshot(struct clock_event_device *bc) { int cpu = smp_processor_id(); + if (!bc) + return; + /* Set it up only once ! */ if (bc->event_handler != tick_handle_oneshot_broadcast) { int was_periodic = clockevent_state_periodic(bc); diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index e1225b395415..ea5dfefd765a 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2699,7 +2699,7 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata, int extra_head = fast_tx->hdr_len - (ETH_HLEN - 2); int hw_headroom = sdata->local->hw.extra_tx_headroom; struct ethhdr eth; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_tx_info *info; struct ieee80211_hdr *hdr = (void *)fast_tx->hdr; struct ieee80211_tx_data tx; ieee80211_tx_result r; @@ -2761,6 +2761,7 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata, memcpy(skb->data + fast_tx->da_offs, eth.h_dest, ETH_ALEN); memcpy(skb->data + fast_tx->sa_offs, eth.h_source, ETH_ALEN); + info = IEEE80211_SKB_CB(skb); memset(info, 0, sizeof(*info)); info->band = fast_tx->band; info->control.vif = &sdata->vif; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 3b2687889cd5..00c50d58f108 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2230,6 +2230,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x1043, 0x1971, "Asus W2JC", ALC882_FIXUP_ASUS_W2JC), SND_PCI_QUIRK(0x1043, 0x835f, "Asus Eee 1601", ALC888_FIXUP_EEE1601), SND_PCI_QUIRK(0x1043, 0x84bc, "ASUS ET2700", ALC887_FIXUP_ASUS_BASS), + SND_PCI_QUIRK(0x1043, 0x8691, "ASUS ROG Ranger VIII", ALC882_FIXUP_GPIO3), SND_PCI_QUIRK(0x104d, 0x9047, "Sony Vaio TT", ALC889_FIXUP_VAIO_TT), SND_PCI_QUIRK(0x104d, 0x905a, "Sony Vaio Z", ALC882_FIXUP_NO_PRIMARY_HP), SND_PCI_QUIRK(0x104d, 0x9043, "Sony Vaio VGC-LN51JGB", ALC882_FIXUP_NO_PRIMARY_HP), @@ -6892,6 +6893,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = { SND_PCI_QUIRK(0x1043, 0x15a7, "ASUS UX51VZH", ALC662_FIXUP_BASS_16), SND_PCI_QUIRK(0x1043, 0x177d, "ASUS N551", ALC668_FIXUP_ASUS_Nx51), SND_PCI_QUIRK(0x1043, 0x17bd, "ASUS N751", ALC668_FIXUP_ASUS_Nx51), + SND_PCI_QUIRK(0x1043, 0x1963, "ASUS X71SL", ALC662_FIXUP_ASUS_MODE8), SND_PCI_QUIRK(0x1043, 0x1b73, "ASUS N55SF", ALC662_FIXUP_BASS_16), SND_PCI_QUIRK(0x1043, 0x1bf3, "ASUS N76VZ", ALC662_FIXUP_BASS_MODE4_CHMAP), SND_PCI_QUIRK(0x1043, 0x8469, "ASUS mobo", ALC662_FIXUP_NO_JACK_DETECT), diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index e163b0148c4b..fd6e247d9fd8 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -1027,12 +1027,13 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai) static int samsung_i2s_dai_remove(struct snd_soc_dai *dai) { struct i2s_dai *i2s = snd_soc_dai_get_drvdata(dai); + unsigned long flags; if (!is_secondary(i2s)) { if (i2s->quirks & QUIRK_NEED_RSTCLR) { - spin_lock(i2s->lock); + spin_lock_irqsave(i2s->lock, flags); writel(0, i2s->addr + I2SCON); - spin_unlock(i2s->lock); + spin_unlock_irqrestore(i2s->lock, flags); } } diff --git a/sound/usb/card.c b/sound/usb/card.c index 1f09d9591276..a1cbaa5f7fc9 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -202,7 +202,6 @@ static int snd_usb_create_stream(struct snd_usb_audio *chip, int ctrlif, int int if (! snd_usb_parse_audio_interface(chip, interface)) { usb_set_interface(dev, interface, 0); /* reset the current interface */ usb_driver_claim_interface(&usb_audio_driver, iface, (void *)-1L); - return -EINVAL; } return 0; diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index c07a7eda42a2..be1f511e4f54 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -538,6 +538,11 @@ static int wait_clear_urbs(struct snd_usb_endpoint *ep) alive, ep->ep_num); clear_bit(EP_FLAG_STOPPING, &ep->flags); + ep->data_subs = NULL; + ep->sync_slave = NULL; + ep->retire_data_urb = NULL; + ep->prepare_data_urb = NULL; + return 0; } @@ -902,9 +907,7 @@ int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep, /** * snd_usb_endpoint_start: start an snd_usb_endpoint * - * @ep: the endpoint to start - * @can_sleep: flag indicating whether the operation is executed in - * non-atomic context + * @ep: the endpoint to start * * A call to this function will increment the use count of the endpoint. * In case it is not already running, the URBs for this endpoint will be @@ -914,7 +917,7 @@ int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep, * * Returns an error if the URB submission failed, 0 in all other cases. */ -int snd_usb_endpoint_start(struct snd_usb_endpoint *ep, bool can_sleep) +int snd_usb_endpoint_start(struct snd_usb_endpoint *ep) { int err; unsigned int i; @@ -928,8 +931,6 @@ int snd_usb_endpoint_start(struct snd_usb_endpoint *ep, bool can_sleep) /* just to be sure */ deactivate_urbs(ep, false); - if (can_sleep) - wait_clear_urbs(ep); ep->active_mask = 0; ep->unlink_mask = 0; @@ -1010,10 +1011,6 @@ void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep) if (--ep->use_count == 0) { deactivate_urbs(ep, false); - ep->data_subs = NULL; - ep->sync_slave = NULL; - ep->retire_data_urb = NULL; - ep->prepare_data_urb = NULL; set_bit(EP_FLAG_STOPPING, &ep->flags); } } diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h index 6428392d8f62..584f295d7c77 100644 --- a/sound/usb/endpoint.h +++ b/sound/usb/endpoint.h @@ -18,7 +18,7 @@ int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep, struct audioformat *fmt, struct snd_usb_endpoint *sync_ep); -int snd_usb_endpoint_start(struct snd_usb_endpoint *ep, bool can_sleep); +int snd_usb_endpoint_start(struct snd_usb_endpoint *ep); void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep); void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep); int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep); diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 44d178ee9177..48afae053c56 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -218,7 +218,7 @@ int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface, } } -static int start_endpoints(struct snd_usb_substream *subs, bool can_sleep) +static int start_endpoints(struct snd_usb_substream *subs) { int err; @@ -231,7 +231,7 @@ static int start_endpoints(struct snd_usb_substream *subs, bool can_sleep) dev_dbg(&subs->dev->dev, "Starting data EP @%p\n", ep); ep->data_subs = subs; - err = snd_usb_endpoint_start(ep, can_sleep); + err = snd_usb_endpoint_start(ep); if (err < 0) { clear_bit(SUBSTREAM_FLAG_DATA_EP_STARTED, &subs->flags); return err; @@ -260,7 +260,7 @@ static int start_endpoints(struct snd_usb_substream *subs, bool can_sleep) dev_dbg(&subs->dev->dev, "Starting sync EP @%p\n", ep); ep->sync_slave = subs->data_endpoint; - err = snd_usb_endpoint_start(ep, can_sleep); + err = snd_usb_endpoint_start(ep); if (err < 0) { clear_bit(SUBSTREAM_FLAG_SYNC_EP_STARTED, &subs->flags); return err; @@ -839,7 +839,7 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) /* for playback, submit the URBs now; otherwise, the first hwptr_done * updates for all URBs would happen at the same time when starting */ if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) - ret = start_endpoints(subs, true); + ret = start_endpoints(subs); unlock: snd_usb_unlock_shutdown(subs->stream->chip); @@ -1655,7 +1655,7 @@ static int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream switch (cmd) { case SNDRV_PCM_TRIGGER_START: - err = start_endpoints(subs, false); + err = start_endpoints(subs); if (err < 0) return err;