diff options
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/vmx/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/crypto/vmx/vmx.c | 6 |
2 files changed, 3 insertions, 5 deletions
diff --git a/drivers/crypto/vmx/Kconfig b/drivers/crypto/vmx/Kconfig index 89d8208d9851..a83ead109d5f 100644 --- a/drivers/crypto/vmx/Kconfig +++ b/drivers/crypto/vmx/Kconfig @@ -1,7 +1,7 @@ config CRYPTO_DEV_VMX_ENCRYPT tristate "Encryption acceleration support on P8 CPU" depends on CRYPTO_DEV_VMX - default y + default m help Support for VMX cryptographic acceleration instructions on Power8 CPU. This module supports acceleration for AES and GHASH in hardware. If you diff --git a/drivers/crypto/vmx/vmx.c b/drivers/crypto/vmx/vmx.c index f688c32fbcc7..31a98dc6f849 100644 --- a/drivers/crypto/vmx/vmx.c +++ b/drivers/crypto/vmx/vmx.c @@ -23,6 +23,7 @@ #include <linux/moduleparam.h> #include <linux/types.h> #include <linux/err.h> +#include <linux/cpufeature.h> #include <linux/crypto.h> #include <asm/cputable.h> #include <crypto/internal/hash.h> @@ -45,9 +46,6 @@ int __init p8_init(void) int ret = 0; struct crypto_alg **alg_it; - if (!(cur_cpu_spec->cpu_user_features2 & PPC_FEATURE2_VEC_CRYPTO)) - return -ENODEV; - for (alg_it = algs; *alg_it; alg_it++) { ret = crypto_register_alg(*alg_it); printk(KERN_INFO "crypto_register_alg '%s' = %d\n", @@ -80,7 +78,7 @@ void __exit p8_exit(void) crypto_unregister_shash(&p8_ghash_alg); } -module_init(p8_init); +module_cpu_feature_match(PPC_MODULE_FEATURE_VEC_CRYPTO, p8_init); module_exit(p8_exit); MODULE_AUTHOR("Marcelo Cerri<mhcerri@br.ibm.com>"); |