memory: tegra: Use relaxed versions of readl/writel

There is no need for inserting of memory barriers to access registers of
Memory Controller. Hence use the relaxed versions of the accessors.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/memory/tegra/mc.h b/drivers/memory/tegra/mc.h
index 9856f08..887a3b0 100644 (file)
--- a/drivers/memory/tegra/mc.h
+++ b/drivers/memory/tegra/mc.h
@@ -26,13 +26,13 @@
 
 static inline u32 mc_readl(struct tegra_mc *mc, unsigned long offset)
 {
-       return readl(mc->regs + offset);
+       return readl_relaxed(mc->regs + offset);
 }
 
 static inline void mc_writel(struct tegra_mc *mc, u32 value,
                             unsigned long offset)
 {
-       writel(value, mc->regs + offset);
+       writel_relaxed(value, mc->regs + offset);
 }
 
 extern const struct tegra_mc_reset_ops terga_mc_reset_ops_common;