From: Anton Blanchard <anton@xxxxxxxxx>
This patch utilises the GENERIC_CPU_AUTOPROBE infrastructure
to automatically load the crc32c-vpmsum module if the CPU supports
it.
Signed-off-by: Anton Blanchard <anton@xxxxxxxxx>
---
arch/powerpc/crypto/crc32c-vpmsum_glue.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/crypto/crc32c-vpmsum_glue.c b/arch/powerpc/crypto/crc32c-vpmsum_glue.c
index bfe3d37..9fa046d 100644
--- a/arch/powerpc/crypto/crc32c-vpmsum_glue.c
+++ b/arch/powerpc/crypto/crc32c-vpmsum_glue.c
@@ -4,6 +4,7 @@
#include <linux/module.h>
#include <linux/string.h>
#include <linux/kernel.h>
+#include <linux/cpufeature.h>
#include <asm/switch_to.h>
#define CHKSUM_BLOCK_SIZE 1
@@ -157,7 +158,7 @@ static void __exit crc32c_vpmsum_mod_fini(void)
crypto_unregister_shash(&alg);
}
-module_init(crc32c_vpmsum_mod_init);
+module_cpu_feature_match(PPC_MODULE_FEATURE_VEC_CRYPTO, crc32c_vpmsum_mod_init);
module_exit(crc32c_vpmsum_mod_fini);
MODULE_AUTHOR("Anton Blanchard <anton@xxxxxxxxx>");
--
2.7.4
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