diff options
| author | Alex Frid <afrid@nvidia.com> | 2012-06-06 23:51:28 -0700 |
|---|---|---|
| committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-06-27 02:06:34 -0700 |
| commit | 5c3fe8fe007c2cdfc4c0ebfc905af8a2ffda5677 (patch) | |
| tree | 36c923e324a311d6915fe2cd4ef62293c8c382f0 | |
| parent | 39a4504bce5ca1586f1245737822797ea2590394 (diff) | |
ARM: tegra: clock: Add fence read in emc clock change
Added fence read in Tegra3 emc clock change procedure.
Change-Id: I2162affb4dddcacf38057e07ff6fbd5964643188
Signed-off-by: Alex Frid <afrid@nvidia.com>
Reviewed-on: http://git-master/r/106956
Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
| -rw-r--r-- | arch/arm/mach-tegra/tegra3_emc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/tegra3_emc.c b/arch/arm/mach-tegra/tegra3_emc.c index 363519ca3aaa..a70f6aca8c3f 100644 --- a/arch/arm/mach-tegra/tegra3_emc.c +++ b/arch/arm/mach-tegra/tegra3_emc.c @@ -497,6 +497,7 @@ static inline void do_clock_change(u32 clk_setting) mc_readl(MC_EMEM_ADR_CFG); /* completes prev writes */ writel(clk_setting, (u32)clk_base + emc->reg); + readl((u32)clk_base + emc->reg);/* completes prev write */ err = wait_for_update(EMC_INTSTATUS, EMC_INTSTATUS_CLKCHANGE_COMPLETE, true); |