* [PATCH] ARM: mach-shmobile: sh73a0 PSTR 32-bit access fix
@ 2012-01-30 2:03 Magnus Damm
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From: Magnus Damm @ 2012-01-30 2:03 UTC (permalink / raw)
To: linux-sh
From: Magnus Damm <damm@opensource.se>
Convert the sh73a0 SMP code to use 32-bit PSTR access.
This fixes wakeup from deep sleep for sh73a0 secondary CPUs.
Signed-off-by: Magnus Damm <damm@opensource.se>
---
arch/arm/mach-shmobile/smp-sh73a0.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 0009/arch/arm/mach-shmobile/smp-sh73a0.c
+++ work/arch/arm/mach-shmobile/smp-sh73a0.c 2012-01-26 14:37:04.000000000 +0900
@@ -84,7 +84,7 @@ int __cpuinit sh73a0_boot_secondary(unsi
/* enable cache coherency */
modify_scu_cpu_psr(cpu, 0);
- if (((__raw_readw(__io(PSTR)) >> (4 * cpu)) & 3) = 3)
+ if (((__raw_readl(__io(PSTR)) >> (4 * cpu)) & 3) = 3)
__raw_writel(1 << cpu, __io(WUPCR)); /* wake up */
else
__raw_writel(1 << cpu, __io(SRESCR)); /* reset */
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2012-01-30 2:03 [PATCH] ARM: mach-shmobile: sh73a0 PSTR 32-bit access fix Magnus Damm
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