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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>
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1 changed files with 4 additions and 4 deletions
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@ -179,23 +179,23 @@ static struct tegra_actmon_emc_ratio actmon_emc_ratios[] = {
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static u32 actmon_readl(struct tegra_devfreq *tegra, u32 offset)
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static u32 actmon_readl(struct tegra_devfreq *tegra, u32 offset)
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{
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{
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return readl(tegra->regs + offset);
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return readl_relaxed(tegra->regs + offset);
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}
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}
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static void actmon_writel(struct tegra_devfreq *tegra, u32 val, u32 offset)
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static void actmon_writel(struct tegra_devfreq *tegra, u32 val, u32 offset)
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{
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{
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writel(val, tegra->regs + offset);
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writel_relaxed(val, tegra->regs + offset);
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}
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}
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static u32 device_readl(struct tegra_devfreq_device *dev, u32 offset)
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static u32 device_readl(struct tegra_devfreq_device *dev, u32 offset)
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{
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{
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return readl(dev->regs + offset);
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return readl_relaxed(dev->regs + offset);
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}
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}
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static void device_writel(struct tegra_devfreq_device *dev, u32 val,
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static void device_writel(struct tegra_devfreq_device *dev, u32 val,
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u32 offset)
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u32 offset)
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{
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{
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writel(val, dev->regs + offset);
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writel_relaxed(val, dev->regs + offset);
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}
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}
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static unsigned long do_percent(unsigned long val, unsigned int pct)
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static unsigned long do_percent(unsigned long val, unsigned int pct)
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