diff options
author | Ken Sumrall <ksumrall@android.com> | 2011-01-12 15:58:37 -0800 |
---|---|---|
committer | Dan Willemsen <dwillemsen@nvidia.com> | 2012-03-21 22:13:19 -0700 |
commit | bb4495703a060da92b4236db656618a03d746a5a (patch) | |
tree | a90cf2dbacbfb42ac92ee7ed378ec5a2ff6a3b8e /drivers/crypto | |
parent | 0c8aa4be56aa43513f4f3d6839adc706617404b5 (diff) |
crypto: tegra-aes: Hack to disable HW AES for dm-crypt
The hardware aes engine is required for key management for
HDCP, but since it's performance is bad, we don't want it
enabled for dm-crypt. This hack changes the cra_name field
so dm-crypt won't find a match, but leaves the cra_driver_name
field unchanged to the device file interface will still find it.
Signed-off-by: Ken Sumrall <ksumrall@android.com>
Rebase-Id: R197f53f3b07876e4dde20c56a2aff533ea32c433
Diffstat (limited to 'drivers/crypto')
-rw-r--r-- | drivers/crypto/tegra-aes.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/crypto/tegra-aes.c b/drivers/crypto/tegra-aes.c index 16e3cec70731..f7dd72964f0c 100644 --- a/drivers/crypto/tegra-aes.c +++ b/drivers/crypto/tegra-aes.c @@ -898,7 +898,7 @@ static int tegra_aes_cra_init(struct crypto_tfm *tfm) static struct crypto_alg algs[] = { { - .cra_name = "ecb(aes)", + .cra_name = "disabled_ecb(aes)", .cra_driver_name = "ecb-aes-tegra", .cra_priority = 100, .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, @@ -916,7 +916,7 @@ static struct crypto_alg algs[] = { .decrypt = tegra_aes_ecb_decrypt, }, }, { - .cra_name = "cbc(aes)", + .cra_name = "disabled_cbc(aes)", .cra_driver_name = "cbc-aes-tegra", .cra_priority = 100, .cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC, @@ -935,7 +935,7 @@ static struct crypto_alg algs[] = { .decrypt = tegra_aes_cbc_decrypt, } }, { - .cra_name = "ansi_cprng", + .cra_name = "disabled_ansi_cprng", .cra_driver_name = "rng-aes-tegra", .cra_priority = 100, .cra_flags = CRYPTO_ALG_TYPE_RNG, |