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authorJoseph Lo <josephl@nvidia.com>2013-07-03 17:50:37 +0800
committerStephen Warren <swarren@nvidia.com>2013-07-19 10:08:04 -0600
commitc04c77540a4f996ee94d0240bbae3a7512febd37 (patch)
treea480639fb642cb10b9bf738f294f68ed40e99b5c /arch/arm/mach-tegra/headsmp.S
parent3045cb33eb6081a937d9a2873f5fb88d9fcb7900 (diff)
downloadlinux-c04c77540a4f996ee94d0240bbae3a7512febd37.tar.bz2
ARM: tegra: do v7_invalidate_l1 only when CPU is Cortex-A9
The v7_invalidate_l1 was used for the L1 cache that come out from reset in a undefined state. This is no need for Cortex-A15. We do it for A9 only. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/headsmp.S')
-rw-r--r--arch/arm/mach-tegra/headsmp.S3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/mach-tegra/headsmp.S b/arch/arm/mach-tegra/headsmp.S
index 045c16f2dd51..2072e7322c39 100644
--- a/arch/arm/mach-tegra/headsmp.S
+++ b/arch/arm/mach-tegra/headsmp.S
@@ -6,6 +6,7 @@
.section ".text.head", "ax"
ENTRY(tegra_secondary_startup)
- bl v7_invalidate_l1
+ check_cpu_part_num 0xc09, r8, r9
+ bleq v7_invalidate_l1
b secondary_startup
ENDPROC(tegra_secondary_startup)