From efe9043db49649c1f6c21df8a3860689c2035911 Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Thu, 2 May 2019 02:38:01 +0300 Subject: [PATCH] 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 Signed-off-by: Dmitry Osipenko Acked-by: Thierry Reding Signed-off-by: MyungJoo Ham --- drivers/devfreq/tegra-devfreq.c | 8 ++++---- 1 file 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) -- 2.11.0