From: Eric Biggers Date: Sun, 22 Oct 2023 08:10:33 +0000 (-0700) Subject: crypto: sun8i-ce - remove unnecessary alignmask for ahashes X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=12e06ca3b98326e6320b74c18d344db294f2e5ae;p=linux.git crypto: sun8i-ce - remove unnecessary alignmask for ahashes The crypto API's support for alignmasks for ahash algorithms is nearly useless, as its only effect is to cause the API to align the key and result buffers. The drivers that happen to be specifying an alignmask for ahash rarely actually need it. When they do, it's easily fixable, especially considering that these buffers cannot be used for DMA. In preparation for removing alignmask support from ahash, this patch makes the sun8i-ce driver no longer use it. This driver didn't actually rely on it; it only writes to the result buffer in sun8i_ce_hash_run(), simply using memcpy(). And this driver only supports unkeyed hash algorithms, so the key buffer need not be considered. Signed-off-by: Eric Biggers Acked-by: Corentin Labbe Signed-off-by: Herbert Xu --- diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c index 1741758e03eb6..0408b2d5d533b 100644 --- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c +++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c @@ -414,7 +414,6 @@ static struct sun8i_ce_alg_template ce_algs[] = { .cra_name = "md5", .cra_driver_name = "md5-sun8i-ce", .cra_priority = 300, - .cra_alignmask = 3, .cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, @@ -448,7 +447,6 @@ static struct sun8i_ce_alg_template ce_algs[] = { .cra_name = "sha1", .cra_driver_name = "sha1-sun8i-ce", .cra_priority = 300, - .cra_alignmask = 3, .cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, @@ -481,7 +479,6 @@ static struct sun8i_ce_alg_template ce_algs[] = { .cra_name = "sha224", .cra_driver_name = "sha224-sun8i-ce", .cra_priority = 300, - .cra_alignmask = 3, .cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, @@ -514,7 +511,6 @@ static struct sun8i_ce_alg_template ce_algs[] = { .cra_name = "sha256", .cra_driver_name = "sha256-sun8i-ce", .cra_priority = 300, - .cra_alignmask = 3, .cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, @@ -547,7 +543,6 @@ static struct sun8i_ce_alg_template ce_algs[] = { .cra_name = "sha384", .cra_driver_name = "sha384-sun8i-ce", .cra_priority = 300, - .cra_alignmask = 3, .cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK, @@ -580,7 +575,6 @@ static struct sun8i_ce_alg_template ce_algs[] = { .cra_name = "sha512", .cra_driver_name = "sha512-sun8i-ce", .cra_priority = 300, - .cra_alignmask = 3, .cra_flags = CRYPTO_ALG_TYPE_AHASH | CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK,