armL crypto: revert add crypto extension features check

anischali · anischali · commit 1958f62bc766 · 2025-08-27T11:43:31.000-04:00
diff --git a/arch/arm/crypto/sha1-ce-glue.c b/arch/arm/crypto/sha1-ce-glue.c
@@ -88,12 +88,6 @@ static struct digest_algo m = {
 
 static int sha1_ce_mod_init(void)
 {
-	uint64_t isar0;
-
-	asm volatile("mrs %0, ID_AA64ISAR0_EL1" : "=r"(isar0));
-	if (!(isar0 & 0xF00))
-		return -EOPNOTSUPP;
-
 	return digest_algo_register(&m);
 }
 coredevice_initcall(sha1_ce_mod_init);
diff --git a/arch/arm/crypto/sha2-ce-glue.c b/arch/arm/crypto/sha2-ce-glue.c
@@ -116,11 +116,6 @@ static struct digest_algo sha256 = {
 
 static int sha256_ce_digest_register(void)
 {
-	uint64_t isar0;
-
-	asm volatile("mrs %0, ID_AA64ISAR0_EL1" : "=r"(isar0));
-	if (!(isar0 & 0xF000))
-		return -EOPNOTSUPP;
 
 	return digest_algo_register(&sha256);
 }

Original file line number	Diff line number	Diff line change
`@@ -88,12 +88,6 @@ static struct digest_algo m = {`
`88`	`88`
`89`	`89`	`static int sha1_ce_mod_init(void)`
`90`	`90`	`{`
`91`		`- uint64_t isar0;`
`92`		`-`
`93`		`- asm volatile("mrs %0, ID_AA64ISAR0_EL1" : "=r"(isar0));`
`94`		`- if (!(isar0 & 0xF00))`
`95`		`- return -EOPNOTSUPP;`
`96`		`-`
`97`	`91`	`return digest_algo_register(&m);`
`98`	`92`	`}`
`99`	`93`	`coredevice_initcall(sha1_ce_mod_init);`
Original file line number	Diff line number	Diff line change
`@@ -116,11 +116,6 @@ static struct digest_algo sha256 = {`
`116`	`116`
`117`	`117`	`static int sha256_ce_digest_register(void)`
`118`	`118`	`{`
`119`		`- uint64_t isar0;`
`120`		`-`
`121`		`- asm volatile("mrs %0, ID_AA64ISAR0_EL1" : "=r"(isar0));`
`122`		`- if (!(isar0 & 0xF000))`
`123`		`- return -EOPNOTSUPP;`
`124`	`119`
`125`	`120`	`return digest_algo_register(&sha256);`
`126`	`121`	`}`