diff options
| author | Ken Sumrall <ksumrall@android.com> | 2011-01-12 15:58:37 -0800 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:36:54 -0800 |
| commit | 1b28b3c6788976195952b338bd442c75b1bc415f (patch) | |
| tree | 0a715ce663798458b1f6d556472ac6fb7e06a08f /drivers/crypto | |
| parent | 222f67a8a2ab863f923cc182c846e069a45ab24a (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>
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, |