ARM: tegra: use setup_mm_for_reboot rather than explicit pgd switch

This patch changes the Tegra PM code to use the setup_mm_for_reboot
helper rather than call cpu_switch_mm directly. This keeps things like
TLB invalidation in one place.

Cc: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

diff --git a/arch/arm/mach-tegra/pm.c b/arch/arm/mach-tegra/pm.c
index 0494f739c95f935975787d563169d95eca40dbed..acacbe8d1afcc83d171206cc417db6f832aecd56 100644 (file)
--- a/arch/arm/mach-tegra/pm.c
+++ b/arch/arm/mach-tegra/pm.c
@@ -164,12 +164,7 @@ bool tegra_set_cpu_in_lp2(int phy_cpu_id)
 
 static int tegra_sleep_cpu(unsigned long v2p)
 {
-       /* Switch to the identity mapping. */
-       cpu_switch_mm(idmap_pgd, &init_mm);
-
-       /* Flush the TLB. */
-       local_flush_tlb_all();
-
+       setup_mm_for_reboot();
        tegra_sleep_cpu_finish(v2p);
 
        /* should never here */