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s390/crypto: add cpu feature modaliases for crypto modules

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Use the module_cpu_feature_match() module init function to add an
module alias based on required CPU features.   The modules are
automatically loaded on hardware that supports the required CPU features.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Hendrik Brueckner
2015-02-19 17:34:07 +01:00
committed by Martin Schwidefsky
parent 8f00b3e28f
commit d05377c12a
7 changed files with 14 additions and 8 deletions
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3
arch/s390/crypto/des_s390.c
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@@ -16,6 +16,7 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/cpufeature.h>
#include <linux/crypto.h>
#include <crypto/algapi.h>
#include <crypto/des.h>
@@ -616,7 +617,7 @@ static void __exit des_s390_exit(void)
crypto_unregister_alg(&des_alg);
}
module_init(des_s390_init);
module_cpu_feature_match(MSA, des_s390_init);
module_exit(des_s390_exit);
MODULE_ALIAS_CRYPTO("des");