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authorDmitry Osipenko <digetx@gmail.com>2019-05-02 02:38:01 +0300
committerMyungJoo Ham <myungjoo.ham@samsung.com>2019-08-24 14:11:12 +0300
commitefe9043db49649c1f6c21df8a3860689c2035911 (patch)
tree30ea092029dd495474a1681303b5da9862ba93eb /drivers/devfreq
parent62bacb06b9f08965c4ef10e17875450490c948c0 (diff)
downloadlinux-efe9043db49649c1f6c21df8a3860689c2035911.tar.xz
PM / devfreq: tegra: Replace readl-writel with relaxed versions
There is no need to insert memory barrier on each readl/writel invocation, hence use the relaxed versions. Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Diffstat (limited to 'drivers/devfreq')
-rw-r--r--drivers/devfreq/tegra-devfreq.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c
index cd15c96dd27f..9d9bfef1465d 100644
--- a/drivers/devfreq/tegra-devfreq.c
+++ b/drivers/devfreq/tegra-devfreq.c
@@ -179,23 +179,23 @@ static struct tegra_actmon_emc_ratio actmon_emc_ratios[] = {
static u32 actmon_readl(struct tegra_devfreq *tegra, u32 offset)
{
- return readl(tegra->regs + offset);
+ return readl_relaxed(tegra->regs + offset);
}
static void actmon_writel(struct tegra_devfreq *tegra, u32 val, u32 offset)
{
- writel(val, tegra->regs + offset);
+ writel_relaxed(val, tegra->regs + offset);
}
static u32 device_readl(struct tegra_devfreq_device *dev, u32 offset)
{
- return readl(dev->regs + offset);
+ return readl_relaxed(dev->regs + offset);
}
static void device_writel(struct tegra_devfreq_device *dev, u32 val,
u32 offset)
{
- writel(val, dev->regs + offset);
+ writel_relaxed(val, dev->regs + offset);
}
static unsigned long do_percent(unsigned long val, unsigned int pct)