Re: [PATCH 3/5] crypto: tegra: Add Tegra Security Engine driver

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Hi Akhil,

kernel test robot noticed the following build errors:

[auto build test ERROR on herbert-cryptodev-2.6/master]
[also build test ERROR on drm/drm-next arm64/for-next/core robh/for-next linus/master v6.7-rc5 next-20231213]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Akhil-R/dt-bindings-crypto-Add-Tegra-SE-DT-binding-doc/20231213-202407
base:   https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
patch link:    https://lore.kernel.org/r/20231213122030.11734-4-akhilrajeev%40nvidia.com
patch subject: [PATCH 3/5] crypto: tegra: Add Tegra Security Engine driver
config: hexagon-randconfig-r071-20231214 (https://download.01.org/0day-ci/archive/20231214/202312141027.GVOE05ds-lkp@xxxxxxxxx/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231214/202312141027.GVOE05ds-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312141027.GVOE05ds-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from drivers/crypto/tegra/tegra-se-key.c:11:
   In file included from drivers/crypto/tegra/tegra-se.h:10:
   In file included from include/linux/iommu.h:10:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/hexagon/include/asm/io.h:337:
   include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __raw_readb(PCI_IOBASE + addr);
                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
   #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                                     ^
   In file included from drivers/crypto/tegra/tegra-se-key.c:11:
   In file included from drivers/crypto/tegra/tegra-se.h:10:
   In file included from include/linux/iommu.h:10:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/hexagon/include/asm/io.h:337:
   include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
                                                     ^
   In file included from drivers/crypto/tegra/tegra-se-key.c:11:
   In file included from drivers/crypto/tegra/tegra-se.h:10:
   In file included from include/linux/iommu.h:10:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/hexagon/include/asm/io.h:337:
   include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writeb(value, PCI_IOBASE + addr);
                               ~~~~~~~~~~ ^
   include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
>> drivers/crypto/tegra/tegra-se-key.c:57:18: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           cpuvaddr[i++] = SE_AES_OP_WRSTALL | SE_AES_OP_DUMMY;
                           ^
   drivers/crypto/tegra/tegra-se.h:202:30: note: expanded from macro 'SE_AES_OP_WRSTALL'
   #define SE_AES_OP_WRSTALL                               FIELD_PREP(BIT(15), 1)
                                                           ^
   6 warnings and 1 error generated.
--
   In file included from drivers/crypto/tegra/tegra-se-aes.c:8:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/hexagon/include/asm/io.h:337:
   include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __raw_readb(PCI_IOBASE + addr);
                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
   #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                                     ^
   In file included from drivers/crypto/tegra/tegra-se-aes.c:8:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/hexagon/include/asm/io.h:337:
   include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
                                                     ^
   In file included from drivers/crypto/tegra/tegra-se-aes.c:8:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/hexagon/include/asm/io.h:337:
   include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writeb(value, PCI_IOBASE + addr);
                               ~~~~~~~~~~ ^
   include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
>> drivers/crypto/tegra/tegra-se-aes.c:136:11: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                           return SE_CRYPTO_CFG_CBC_ENCRYPT;
                                  ^
   drivers/crypto/tegra/tegra-se.h:293:38: note: expanded from macro 'SE_CRYPTO_CFG_CBC_ENCRYPT'
   #define SE_CRYPTO_CFG_CBC_ENCRYPT                       (SE_AES_INPUT_SEL_MEMORY | \
                                                            ^
   drivers/crypto/tegra/tegra-se.h:182:36: note: expanded from macro 'SE_AES_INPUT_SEL_MEMORY'
   #define SE_AES_INPUT_SEL_MEMORY                         SE_AES_CRYPTO_CFG_INPUT_SEL(0)
                                                           ^
   drivers/crypto/tegra/tegra-se.h:181:42: note: expanded from macro 'SE_AES_CRYPTO_CFG_INPUT_SEL'
   #define SE_AES_CRYPTO_CFG_INPUT_SEL(x)                  FIELD_PREP(GENMASK(4, 3), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-aes.c:173:11: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                           return SE_CFG_AES_ENCRYPT;
                                  ^
   drivers/crypto/tegra/tegra-se.h:237:32: note: expanded from macro 'SE_CFG_AES_ENCRYPT'
   #define SE_CFG_AES_ENCRYPT                              (SE_AES_ENC_ALG_AES_ENC | \
                                                            ^
   drivers/crypto/tegra/tegra-se.h:137:35: note: expanded from macro 'SE_AES_ENC_ALG_AES_ENC'
   #define SE_AES_ENC_ALG_AES_ENC                          SE_AES_CFG_ENC_ALG(1)
                                                           ^
   drivers/crypto/tegra/tegra-se.h:135:34: note: expanded from macro 'SE_AES_CFG_ENC_ALG'
   #define SE_AES_CFG_ENC_ALG(x)                           FIELD_PREP(GENMASK(15, 12), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-aes.c:228:18: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           cpuvaddr[i++] = SE_ADDR_HI_MSB(upper_32_bits(addr)) | SE_ADDR_HI_SZ(rctx->len);
                           ^
   drivers/crypto/tegra/tegra-se.h:234:30: note: expanded from macro 'SE_ADDR_HI_MSB'
   #define SE_ADDR_HI_MSB(x)                               FIELD_PREP(GENMASK(31, 24), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-aes.c:373:13: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           manifest = SE_KAC_USER_NS;
                      ^
   drivers/crypto/tegra/tegra-se.h:231:28: note: expanded from macro 'SE_KAC_USER_NS'
   #define SE_KAC_USER_NS                                  FIELD_PREP(GENMASK(6, 4), 3)
                                                           ^
   drivers/crypto/tegra/tegra-se-aes.c:426:25: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           rctx->crypto_config |= SE_AES_KEY_INDEX(ctx->key1_id);
                                  ^
   drivers/crypto/tegra/tegra-se.h:156:32: note: expanded from macro 'SE_AES_KEY_INDEX'
   #define SE_AES_KEY_INDEX(x)                             FIELD_PREP(GENMASK(27, 24), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-aes.c:445:25: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           rctx->crypto_config |= SE_AES_KEY_INDEX(ctx->key1_id);
                                  ^
   drivers/crypto/tegra/tegra-se.h:156:32: note: expanded from macro 'SE_AES_KEY_INDEX'
   #define SE_AES_KEY_INDEX(x)                             FIELD_PREP(GENMASK(27, 24), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-aes.c:585:18: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           cpuvaddr[i++] = SE_LAST_BLOCK_VAL(data_count) |
                           ^
   drivers/crypto/tegra/tegra-se.h:198:33: note: expanded from macro 'SE_LAST_BLOCK_VAL'
   #define SE_LAST_BLOCK_VAL(x)                            FIELD_PREP(GENMASK(19, 0), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-aes.c:616:7: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           op = SE_AES_OP_WRSTALL | SE_AES_OP_FINAL |
                ^
   drivers/crypto/tegra/tegra-se.h:202:30: note: expanded from macro 'SE_AES_OP_WRSTALL'
   #define SE_AES_OP_WRSTALL                               FIELD_PREP(BIT(15), 1)
                                                           ^
   drivers/crypto/tegra/tegra-se-aes.c:673:7: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           op = SE_AES_OP_WRSTALL | SE_AES_OP_FINAL |
                ^
   drivers/crypto/tegra/tegra-se.h:202:30: note: expanded from macro 'SE_AES_OP_WRSTALL'
   #define SE_AES_OP_WRSTALL                               FIELD_PREP(BIT(15), 1)
                                                           ^
   drivers/crypto/tegra/tegra-se-aes.c:728:10: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                                 SE_AES_KEY_INDEX(ctx->key_id);
                                 ^
   drivers/crypto/tegra/tegra-se.h:156:32: note: expanded from macro 'SE_AES_KEY_INDEX'
   #define SE_AES_KEY_INDEX(x)                             FIELD_PREP(GENMASK(27, 24), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-aes.c:745:10: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                                 SE_AES_KEY_INDEX(ctx->key_id);
                                 ^
   drivers/crypto/tegra/tegra-se.h:156:32: note: expanded from macro 'SE_AES_KEY_INDEX'
   #define SE_AES_KEY_INDEX(x)                             FIELD_PREP(GENMASK(27, 24), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-aes.c:768:10: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                                 SE_AES_KEY_INDEX(ctx->key_id);
                                 ^
   drivers/crypto/tegra/tegra-se.h:156:32: note: expanded from macro 'SE_AES_KEY_INDEX'
   #define SE_AES_KEY_INDEX(x)                             FIELD_PREP(GENMASK(27, 24), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-aes.c:824:18: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           cpuvaddr[i++] = SE_LAST_BLOCK_VAL(data_count);
                           ^
   drivers/crypto/tegra/tegra-se.h:198:33: note: expanded from macro 'SE_LAST_BLOCK_VAL'
   #define SE_LAST_BLOCK_VAL(x)                            FIELD_PREP(GENMASK(19, 0), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-aes.c:869:18: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           cpuvaddr[i++] = SE_ADDR_HI_MSB(upper_32_bits(rctx->inbuf.addr)) |
                           ^
   drivers/crypto/tegra/tegra-se.h:234:30: note: expanded from macro 'SE_ADDR_HI_MSB'
   #define SE_ADDR_HI_MSB(x)                               FIELD_PREP(GENMASK(31, 24), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-aes.c:899:13: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                                                         SE_AES_KEY_INDEX(ctx->key_id);
                                                         ^
   drivers/crypto/tegra/tegra-se.h:156:32: note: expanded from macro 'SE_AES_KEY_INDEX'
   #define SE_AES_KEY_INDEX(x)                             FIELD_PREP(GENMASK(27, 24), x)
--
   In file included from drivers/crypto/tegra/tegra-se-hash.c:8:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/hexagon/include/asm/io.h:337:
   include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __raw_readb(PCI_IOBASE + addr);
                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
   #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
                                                     ^
   In file included from drivers/crypto/tegra/tegra-se-hash.c:8:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/hexagon/include/asm/io.h:337:
   include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
                                                           ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
   #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
                                                     ^
   In file included from drivers/crypto/tegra/tegra-se-hash.c:8:
   In file included from include/linux/dma-mapping.h:11:
   In file included from include/linux/scatterlist.h:9:
   In file included from arch/hexagon/include/asm/io.h:337:
   include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writeb(value, PCI_IOBASE + addr);
                               ~~~~~~~~~~ ^
   include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
   include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
           __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
                                                         ~~~~~~~~~~ ^
>> drivers/crypto/tegra/tegra-se-hash.c:53:10: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                   cfg |= SE_SHA_ENC_ALG_SHA;
                          ^
   drivers/crypto/tegra/tegra-se.h:59:31: note: expanded from macro 'SE_SHA_ENC_ALG_SHA'
   #define SE_SHA_ENC_ALG_SHA                              SE_SHA_CFG_ENC_ALG(3)
                                                           ^
   drivers/crypto/tegra/tegra-se.h:55:34: note: expanded from macro 'SE_SHA_CFG_ENC_ALG'
   #define SE_SHA_CFG_ENC_ALG(x)                           FIELD_PREP(GENMASK(15, 12), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-hash.c:256:24: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           cpuvaddr[i++] = (u32)(SE_ADDR_HI_MSB(upper_32_bits(rctx->datbuf.addr)) |
                                 ^
   drivers/crypto/tegra/tegra-se.h:234:30: note: expanded from macro 'SE_ADDR_HI_MSB'
   #define SE_ADDR_HI_MSB(x)                               FIELD_PREP(GENMASK(31, 24), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-hash.c:331:4: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                           SE_SHA_DST_HASH_REG;
                           ^
   drivers/crypto/tegra/tegra-se.h:85:32: note: expanded from macro 'SE_SHA_DST_HASH_REG'
   #define SE_SHA_DST_HASH_REG                             SE_SHA_CFG_DST(1)
                                                           ^
   drivers/crypto/tegra/tegra-se.h:83:30: note: expanded from macro 'SE_SHA_CFG_DST'
   #define SE_SHA_CFG_DST(x)                               FIELD_PREP(GENMASK(4, 2), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-hash.c:352:10: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                          SE_SHA_DST_MEMORY;
                          ^
   drivers/crypto/tegra/tegra-se.h:84:30: note: expanded from macro 'SE_SHA_DST_MEMORY'
   #define SE_SHA_DST_MEMORY                               SE_SHA_CFG_DST(0)
                                                           ^
   drivers/crypto/tegra/tegra-se.h:83:30: note: expanded from macro 'SE_SHA_CFG_DST'
   #define SE_SHA_CFG_DST(x)                               FIELD_PREP(GENMASK(4, 2), x)
                                                           ^
   drivers/crypto/tegra/tegra-se-hash.c:457:14: warning: variable 'algname' set but not used [-Wunused-but-set-variable]
           const char *algname;
                       ^
   drivers/crypto/tegra/tegra-se-hash.c:961:13: error: implicit declaration of function 'FIELD_PREP' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
           manifest = SE_KAC_USER_NS;
                      ^
   drivers/crypto/tegra/tegra-se.h:231:28: note: expanded from macro 'SE_KAC_USER_NS'
   #define SE_KAC_USER_NS                                  FIELD_PREP(GENMASK(6, 4), 3)
                                                           ^
   7 warnings and 5 errors generated.


vim +/FIELD_PREP +57 drivers/crypto/tegra/tegra-se-key.c

    49	
    50	static unsigned int tegra_key_prep_ins_cmd(struct tegra_se *se, u32 *cpuvaddr,
    51						   const u32 *key, u32 keylen, u16 slot, u32 alg)
    52	{
    53		int i = 0, j;
    54	
    55		cpuvaddr[i++] = host1x_opcode_setpayload(1);
    56		cpuvaddr[i++] = se_host1x_opcode_incr_w(se->hw->regs->op);
  > 57		cpuvaddr[i++] = SE_AES_OP_WRSTALL | SE_AES_OP_DUMMY;
    58	
    59		cpuvaddr[i++] = host1x_opcode_setpayload(1);
    60		cpuvaddr[i++] = se_host1x_opcode_incr_w(se->hw->regs->manifest);
    61		cpuvaddr[i++] = se->manifest(se->owner, alg, keylen);
    62		cpuvaddr[i++] = host1x_opcode_setpayload(1);
    63		cpuvaddr[i++] = se_host1x_opcode_incr_w(se->hw->regs->key_dst);
    64	
    65		cpuvaddr[i++] = SE_AES_KEY_DST_INDEX(slot);
    66	
    67		for (j = 0; j < keylen / 4; j++) {
    68			/* Set key address */
    69			cpuvaddr[i++] = host1x_opcode_setpayload(1);
    70			cpuvaddr[i++] = se_host1x_opcode_incr_w(se->hw->regs->key_addr);
    71			cpuvaddr[i++] = j;
    72	
    73			/* Set key data */
    74			cpuvaddr[i++] = host1x_opcode_setpayload(1);
    75			cpuvaddr[i++] = se_host1x_opcode_incr_w(se->hw->regs->key_data);
    76			cpuvaddr[i++] = key[j];
    77		}
    78	
    79		cpuvaddr[i++] = host1x_opcode_setpayload(1);
    80		cpuvaddr[i++] = se_host1x_opcode_incr_w(se->hw->regs->config);
    81		cpuvaddr[i++] = SE_CFG_INS;
    82	
    83		cpuvaddr[i++] = host1x_opcode_setpayload(1);
    84		cpuvaddr[i++] = se_host1x_opcode_incr_w(se->hw->regs->op);
    85		cpuvaddr[i++] = SE_AES_OP_WRSTALL | SE_AES_OP_START |
    86				SE_AES_OP_LASTBUF;
    87	
    88		cpuvaddr[i++] = se_host1x_opcode_nonincr(host1x_uclass_incr_syncpt_r(), 1);
    89		cpuvaddr[i++] = host1x_uclass_incr_syncpt_cond_f(1) |
    90				host1x_uclass_incr_syncpt_indx_f(se->syncpt_id);
    91	
    92		dev_dbg(se->dev, "key-slot %u key-manifest %#x\n",
    93			slot, se->manifest(se->owner, alg, keylen));
    94	
    95		return i;
    96	}
    97	

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