[PATCH v6 12/21] memory: tegra: Use relaxed versions of readl/writel
From: Dmitry Osipenko <digetx@gmail.com>
Date: 2018-12-09 20:31:18
Also in:
linux-iommu, linux-tegra, lkml
Subsystem:
memory controller drivers, the rest · Maintainers:
Krzysztof Kozlowski, Linus Torvalds
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> --- drivers/memory/tegra/mc.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/memory/tegra/mc.h b/drivers/memory/tegra/mc.h
index 9856f085e487..887a3b07334f 100644
--- 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;
--
2.19.1