Merge current mainline tree into linux-omap tree

[linux-2.6-omap-h63xx.git] / arch / arm / mm / proc-arm926.S

diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S
index b7961a1dac39570d8dbef5e6d2667de718812e07..62f7d1dfe01695a003b104a58b92818c85e77f74 100644 (file)
--- a/arch/arm/mm/proc-arm926.S
+++ b/arch/arm/mm/proc-arm926.S
@@ -105,9 +105,13 @@ ENTRY(cpu_arm926_do_idle)
        mrc     p15, 0, r1, c1, c0, 0           @ Read control register
        mcr     p15, 0, r0, c7, c10, 4          @ Drain write buffer
        bic     r2, r1, #1 << 12
+       mrs     r3, cpsr                        @ Disable FIQs while Icache
+       orr     ip, r3, #PSR_F_BIT              @ is disabled
+       msr     cpsr_c, ip
        mcr     p15, 0, r2, c1, c0, 0           @ Disable I cache
        mcr     p15, 0, r0, c7, c0, 4           @ Wait for interrupt
        mcr     p15, 0, r1, c1, c0, 0           @ Restore ICache enable
+       msr     cpsr_c, r3                      @ Restore FIQ state
        mov     pc, lr
 
 /*