summaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/mm/proc-macros.S3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/arm64/mm/proc-macros.S b/arch/arm64/mm/proc-macros.S
index 8957b822010b..005d29e2977d 100644
--- a/arch/arm64/mm/proc-macros.S
+++ b/arch/arm64/mm/proc-macros.S
@@ -38,8 +38,7 @@
*/
.macro dcache_line_size, reg, tmp
mrs \tmp, ctr_el0 // read CTR
- lsr \tmp, \tmp, #16
- and \tmp, \tmp, #0xf // cache line size encoding
+ ubfm \tmp, \tmp, #16, #19 // cache line size encoding
mov \reg, #4 // bytes per word
lsl \reg, \reg, \tmp // actual cache line size
.endm