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| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2017-05-21 10:23:36 +0000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-06-01 12:55:38 +0800 |
| commit | 4d8061a5918dea53402170932a861c09f3b88df5 (patch) | |
| tree | 5efb3ffd741cf9ac9ad8964b5ba27cd3c6805e3e /arch/arm | |
| parent | 6507c57bb013a22ae0f61bdbb2a63380598d34a2 (diff) | |
| download | linux-4d8061a5918dea53402170932a861c09f3b88df5.tar.gz linux-4d8061a5918dea53402170932a861c09f3b88df5.tar.bz2 linux-4d8061a5918dea53402170932a861c09f3b88df5.zip | |
crypto: arm/aes-ce - enable module autoloading based on CPU feature bits
Make the module autoloadable by tying it to the CPU feature bit that
describes whether the optional instructions it relies on are implemented
by the current CPU.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/crypto/aes-ce-glue.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/arm/crypto/aes-ce-glue.c b/arch/arm/crypto/aes-ce-glue.c index 883b84d828c5..0f966a8ca1ce 100644 --- a/arch/arm/crypto/aes-ce-glue.c +++ b/arch/arm/crypto/aes-ce-glue.c @@ -14,6 +14,7 @@ #include <crypto/aes.h> #include <crypto/internal/simd.h> #include <crypto/internal/skcipher.h> +#include <linux/cpufeature.h> #include <linux/module.h> #include <crypto/xts.h> @@ -425,9 +426,6 @@ static int __init aes_init(void) int err; int i; - if (!(elf_hwcap2 & HWCAP2_AES)) - return -ENODEV; - err = crypto_register_skciphers(aes_algs, ARRAY_SIZE(aes_algs)); if (err) return err; @@ -451,5 +449,5 @@ unregister_simds: return err; } -module_init(aes_init); +module_cpu_feature_match(AES, aes_init); module_exit(aes_exit); |