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Diffstat (limited to 'arch/arm/mach-tegra/sleep.S')
-rw-r--r--arch/arm/mach-tegra/sleep.S14
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/arm/mach-tegra/sleep.S b/arch/arm/mach-tegra/sleep.S
index 5e3496753df1..1735ded5a812 100644
--- a/arch/arm/mach-tegra/sleep.S
+++ b/arch/arm/mach-tegra/sleep.S
@@ -49,8 +49,9 @@ ENTRY(tegra_disable_clean_inv_dcache)
/* Disable the D-cache */
mrc p15, 0, r2, c1, c0, 0
+ tst r2, #CR_C @ see tegra_sleep_cpu()
bic r2, r2, #CR_C
- mcr p15, 0, r2, c1, c0, 0
+ mcrne p15, 0, r2, c1, c0, 0
isb
/* Flush the D-cache */
@@ -132,10 +133,13 @@ ENTRY(tegra_shut_off_mmu)
#ifdef CONFIG_CACHE_L2X0
/* Disable L2 cache */
check_cpu_part_num 0xc09, r9, r10
- movweq r2, #:lower16:(TEGRA_ARM_PERIF_BASE + 0x3000)
- movteq r2, #:upper16:(TEGRA_ARM_PERIF_BASE + 0x3000)
- moveq r3, #0
- streq r3, [r2, #L2X0_CTRL]
+ retne r0
+
+ mov32 r2, TEGRA_ARM_PERIF_BASE + 0x3000
+ ldr r3, [r2, #L2X0_CTRL]
+ tst r3, #L2X0_CTRL_EN @ see tegra_sleep_cpu()
+ mov r3, #0
+ strne r3, [r2, #L2X0_CTRL]
#endif
ret r0
ENDPROC(tegra_shut_off_mmu)