summaryrefslogtreecommitdiffstats
path: root/arch/arm/lib/delay.S
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2011-02-15 10:24:31 +0100
committerJiri Kosina <jkosina@suse.cz>2011-02-15 10:24:31 +0100
commit0a9d59a2461477bd9ed143c01af9df3f8f00fa81 (patch)
treedf997d1cfb0786427a0df1fbd6f0640fa4248cf4 /arch/arm/lib/delay.S
parenta23ce6da9677d245aa0aadc99f4197030350ab54 (diff)
parent795abaf1e4e188c4171e3cd3dbb11a9fcacaf505 (diff)
downloadblackbird-op-linux-0a9d59a2461477bd9ed143c01af9df3f8f00fa81.tar.gz
blackbird-op-linux-0a9d59a2461477bd9ed143c01af9df3f8f00fa81.zip
Merge branch 'master' into for-next
Diffstat (limited to 'arch/arm/lib/delay.S')
-rw-r--r--arch/arm/lib/delay.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/lib/delay.S b/arch/arm/lib/delay.S
index 8d6a8762ab88..3c9a05c8d20b 100644
--- a/arch/arm/lib/delay.S
+++ b/arch/arm/lib/delay.S
@@ -25,11 +25,15 @@ ENTRY(__udelay)
ldr r2, .LC1
mul r0, r2, r0
ENTRY(__const_udelay) @ 0 <= r0 <= 0x7fffff06
+ mov r1, #-1
ldr r2, .LC0
ldr r2, [r2] @ max = 0x01ffffff
+ add r0, r0, r1, lsr #32-14
mov r0, r0, lsr #14 @ max = 0x0001ffff
+ add r2, r2, r1, lsr #32-10
mov r2, r2, lsr #10 @ max = 0x00007fff
mul r0, r2, r0 @ max = 2^32-1
+ add r0, r0, r1, lsr #32-6
movs r0, r0, lsr #6
moveq pc, lr
OpenPOWER on IntegriCloud