summaryrefslogtreecommitdiff
path: root/lib/crc/arm/crc-t10dif.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/crc/arm/crc-t10dif.h')
-rw-r--r--lib/crc/arm/crc-t10dif.h19
1 files changed, 6 insertions, 13 deletions
diff --git a/lib/crc/arm/crc-t10dif.h b/lib/crc/arm/crc-t10dif.h
index 63441de5e3f1..afc0ebf97f19 100644
--- a/lib/crc/arm/crc-t10dif.h
+++ b/lib/crc/arm/crc-t10dif.h
@@ -5,7 +5,6 @@
* Copyright (C) 2016 Linaro Ltd <ard.biesheuvel@linaro.org>
*/
-#include <asm/neon.h>
#include <asm/simd.h>
static __ro_after_init DEFINE_STATIC_KEY_FALSE(have_neon);
@@ -19,22 +18,16 @@ asmlinkage void crc_t10dif_pmull8(u16 init_crc, const u8 *buf, size_t len,
static inline u16 crc_t10dif_arch(u16 crc, const u8 *data, size_t length)
{
- if (length >= CRC_T10DIF_PMULL_CHUNK_SIZE) {
+ if (length >= CRC_T10DIF_PMULL_CHUNK_SIZE && likely(may_use_simd())) {
if (static_branch_likely(&have_pmull)) {
- if (likely(may_use_simd())) {
- kernel_neon_begin();
- crc = crc_t10dif_pmull64(crc, data, length);
- kernel_neon_end();
- return crc;
- }
+ scoped_ksimd()
+ return crc_t10dif_pmull64(crc, data, length);
} else if (length > CRC_T10DIF_PMULL_CHUNK_SIZE &&
- static_branch_likely(&have_neon) &&
- likely(may_use_simd())) {
+ static_branch_likely(&have_neon)) {
u8 buf[16] __aligned(16);
- kernel_neon_begin();
- crc_t10dif_pmull8(crc, data, length, buf);
- kernel_neon_end();
+ scoped_ksimd()
+ crc_t10dif_pmull8(crc, data, length, buf);
return crc_t10dif_generic(0, buf, sizeof(buf));
}