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| author | Dmitry Osipenko <digetx@gmail.com> | 2019-05-02 01:38:01 +0200 |
|---|---|---|
| committer | MyungJoo Ham <myungjoo.ham@samsung.com> | 2019-08-24 13:11:12 +0200 |
| commit | efe9043db49649c1f6c21df8a3860689c2035911 (patch) | |
| tree | 30ea092029dd495474a1681303b5da9862ba93eb /drivers/devfreq | |
| parent | PM / devfreq: tegra: Fix kHz to Hz conversion (diff) | |
| download | linux-efe9043db49649c1f6c21df8a3860689c2035911.tar.xz linux-efe9043db49649c1f6c21df8a3860689c2035911.zip | |
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.c | 8 |
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) |