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authorIngo Molnar <mingo@elte.hu>2009-09-21 12:51:27 +0200
committerIngo Molnar <mingo@elte.hu>2009-09-21 12:51:42 +0200
commitae82bfd61ca7e57cc2d914add9ab0873e260f2f5 (patch)
treea7f862ad8b0ae4f2e8953e6aa613eb702b484ecf /arch/sh/kernel/cpu/irq/ipr.c
parentcd74c86bdf705f824d494a2bbda393d1d562b40a (diff)
parentebc79c4f8da0f92efa968e0328f32334a2ce80cf (diff)
Merge branch 'linus' into perfcounters/rename
Merge reason: pull in all the latest code before doing the rename. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sh/kernel/cpu/irq/ipr.c')
-rw-r--r--arch/sh/kernel/cpu/irq/ipr.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c
index 808d99a48ef..c1508a90fc6 100644
--- a/arch/sh/kernel/cpu/irq/ipr.c
+++ b/arch/sh/kernel/cpu/irq/ipr.c
@@ -35,6 +35,7 @@ static void disable_ipr_irq(unsigned int irq)
unsigned long addr = get_ipr_desc(irq)->ipr_offsets[p->ipr_idx];
/* Set the priority in IPR to 0 */
__raw_writew(__raw_readw(addr) & (0xffff ^ (0xf << p->shift)), addr);
+ (void)__raw_readw(addr); /* Read back to flush write posting */
}
static void enable_ipr_irq(unsigned int irq)