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authorSang-Hun Lee <sanlee@nvidia.com>2012-04-16 10:53:22 -0700
committerRohan Somvanshi <rsomvanshi@nvidia.com>2012-04-19 07:40:00 -0700
commit4fa4ef0ac97433028ad84f9df1266790c44651e7 (patch)
treec87ecb54fd49c97d7bd9e61e4a01d879afa530ab /arch/arm/mach-tegra/sleep-t2.S
parent73005f0d83526d615387a8f19669013feace1443 (diff)
Revert "ARM: tegra: remove usage of USE_TEGRA_CPU_SUSPEND"
This reverts commit e6d0e0ceec7cd1a7b8085eb31d2e70bc4d15684f. Bug 967887 Change-Id: I60927a93ebdf6ba4da14311f8ffcc1edf4f56391 Signed-off-by: Sang-Hun Lee <sanlee@nvidia.com> Reviewed-on: http://git-master/r/96788 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Varun Wadekar <vwadekar@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/sleep-t2.S')
-rw-r--r--arch/arm/mach-tegra/sleep-t2.S10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/sleep-t2.S b/arch/arm/mach-tegra/sleep-t2.S
index 6289541da8e9..f70360628f34 100644
--- a/arch/arm/mach-tegra/sleep-t2.S
+++ b/arch/arm/mach-tegra/sleep-t2.S
@@ -229,8 +229,18 @@ ENTRY(tegra2_sleep_wfi)
bl tegra_pen_unlock
+#if USE_TEGRA_CPU_SUSPEND
+ /* Enable the data cache and SMP coherency */
+ mrc p15, 0, r10, c1, c0, 0
+ orr r10, r10, #CR_C
+ dsb
+ mcr p15, 0, r10, c1, c0, 0
+ isb
mcr p15, 0, r11, c1, c0, 1 @ reenable coherency
+#else
+ mcr p15, 0, r11, c1, c0, 1 @ reenable coherency
+#endif
/* Invalidate the TLBs & BTAC */
mov r1, #0
mcr p15, 0, r1, c8, c3, 0 @ invalidate shared TLBs