On 03/25/2014 11:48 PM, Gregory CLEMENT wrote:
ll_set_cpu_coherent is always used on the current CPU, so instead of
passing the CPU id as argument, ll_set_cpu_coherent() can find it by
itself.
Signed-off-by: Gregory CLEMENT <gregory.clem...@free-electrons.com>
Acked-by: Thomas Petazzoni <thomas.petazz...@free-electrons.com>
---
[...]
diff --git a/arch/arm/mach-mvebu/coherency_ll.S
b/arch/arm/mach-mvebu/coherency_ll.S
index 1f2bcd4b5424..6cb26b919787 100644
--- a/arch/arm/mach-mvebu/coherency_ll.S
+++ b/arch/arm/mach-mvebu/coherency_ll.S
@@ -24,9 +24,7 @@
#include <asm/cp15.h>
.text
-/*
- * r0: HW CPU id
- */
+
ENTRY(ll_set_cpu_coherent)
mrc p15, 0, r1, c1, c0, 0
tst r1, #CR_M @ Check MMU bit enabled
@@ -43,9 +41,11 @@ ENTRY(ll_set_cpu_coherent)
ldr r0, [r0]
2:
/* Create bit by cpu index */
- mov r3, #(1 << 24)
- lsl r1, r3, r1
-ARM_BE8(rev r1, r1)
+ mrc 15, 0, r1, cr0, cr0, 5
+ and r1, r1, #15
+ mov r2, #(1 << 24)
+ lsl r1, r2, r1
+ ARM_BE8(rev r1, r1)
nit: re-indent ARM_BE8 to the beginning of the line?
Sebastian
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