PM / devfreq: tegra: Replace readl-writel with relaxed versions (efe9043d) · Commits · 戴 / test

There is no need to insert memory barrier on each readl/writel invocation, hence use the relaxed versions. Reviewed-by:

drivers/devfreq/tegra-devfreq.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -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)