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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-10-18 18:31:15 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-10-20 22:13:57 +0800 |
| commit | 0f3304dc18b1316bc6d32921f2a7837938f90c30 (patch) | |
| tree | 3e08a093264b34eaebe3801cd201f58c2c7e4c40 /drivers/crypto/marvell/cipher.c | |
| parent | 35622eae188761f30df916a6cae4fa8c942a6366 (diff) | |
| download | lwn-0f3304dc18b1316bc6d32921f2a7837938f90c30.tar.gz lwn-0f3304dc18b1316bc6d32921f2a7837938f90c30.zip | |
crypto: marvell/cesa - use memcpy_fromio()/memcpy_toio()
Use the IO memcpy() functions when copying from/to MMIO memory.
These locations were found via sparse.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/marvell/cipher.c')
| -rw-r--r-- | drivers/crypto/marvell/cipher.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/crypto/marvell/cipher.c b/drivers/crypto/marvell/cipher.c index 06dee02460f8..2864d1e6ce28 100644 --- a/drivers/crypto/marvell/cipher.c +++ b/drivers/crypto/marvell/cipher.c @@ -98,10 +98,10 @@ static void mv_cesa_ablkcipher_std_step(struct ablkcipher_request *req) /* FIXME: only update enc_len field */ if (!sreq->skip_ctx) { - memcpy(engine->sram, &sreq->op, sizeof(sreq->op)); + memcpy_toio(engine->sram, &sreq->op, sizeof(sreq->op)); sreq->skip_ctx = true; } else { - memcpy(engine->sram, &sreq->op, sizeof(sreq->op.desc)); + memcpy_toio(engine->sram, &sreq->op, sizeof(sreq->op.desc)); } mv_cesa_set_int_mask(engine, CESA_SA_INT_ACCEL0_DONE); @@ -145,8 +145,9 @@ static int mv_cesa_ablkcipher_process(struct crypto_async_request *req, if (ret) return ret; - memcpy(ablkreq->info, engine->sram + CESA_SA_CRYPT_IV_SRAM_OFFSET, - crypto_ablkcipher_ivsize(crypto_ablkcipher_reqtfm(ablkreq))); + memcpy_fromio(ablkreq->info, + engine->sram + CESA_SA_CRYPT_IV_SRAM_OFFSET, + crypto_ablkcipher_ivsize(crypto_ablkcipher_reqtfm(ablkreq))); return 0; } @@ -181,7 +182,7 @@ mv_cesa_ablkcipher_std_prepare(struct ablkcipher_request *req) sreq->size = 0; sreq->offset = 0; mv_cesa_adjust_op(engine, &sreq->op); - memcpy(engine->sram, &sreq->op, sizeof(sreq->op)); + memcpy_toio(engine->sram, &sreq->op, sizeof(sreq->op)); } static inline void mv_cesa_ablkcipher_prepare(struct crypto_async_request *req, |