提交 7cc06179 编写于 作者: M Matthew Leach 提交者: Daniel Lezcano

clocksource/drivers/samsung_pwm_timer: Fix endian accessors

Fix the Samsung pwm timer access code to deal with kernels built for big
endian operation.
Signed-off-by: NMatthew Leach <matthew@mattleach.net>
Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
上级 48419b1b
...@@ -130,9 +130,9 @@ static void samsung_time_stop(unsigned int channel) ...@@ -130,9 +130,9 @@ static void samsung_time_stop(unsigned int channel)
spin_lock_irqsave(&samsung_pwm_lock, flags); spin_lock_irqsave(&samsung_pwm_lock, flags);
tcon = __raw_readl(pwm.base + REG_TCON); tcon = readl_relaxed(pwm.base + REG_TCON);
tcon &= ~TCON_START(channel); tcon &= ~TCON_START(channel);
__raw_writel(tcon, pwm.base + REG_TCON); writel_relaxed(tcon, pwm.base + REG_TCON);
spin_unlock_irqrestore(&samsung_pwm_lock, flags); spin_unlock_irqrestore(&samsung_pwm_lock, flags);
} }
...@@ -148,14 +148,14 @@ static void samsung_time_setup(unsigned int channel, unsigned long tcnt) ...@@ -148,14 +148,14 @@ static void samsung_time_setup(unsigned int channel, unsigned long tcnt)
spin_lock_irqsave(&samsung_pwm_lock, flags); spin_lock_irqsave(&samsung_pwm_lock, flags);
tcon = __raw_readl(pwm.base + REG_TCON); tcon = readl_relaxed(pwm.base + REG_TCON);
tcon &= ~(TCON_START(tcon_chan) | TCON_AUTORELOAD(tcon_chan)); tcon &= ~(TCON_START(tcon_chan) | TCON_AUTORELOAD(tcon_chan));
tcon |= TCON_MANUALUPDATE(tcon_chan); tcon |= TCON_MANUALUPDATE(tcon_chan);
__raw_writel(tcnt, pwm.base + REG_TCNTB(channel)); writel_relaxed(tcnt, pwm.base + REG_TCNTB(channel));
__raw_writel(tcnt, pwm.base + REG_TCMPB(channel)); writel_relaxed(tcnt, pwm.base + REG_TCMPB(channel));
__raw_writel(tcon, pwm.base + REG_TCON); writel_relaxed(tcon, pwm.base + REG_TCON);
spin_unlock_irqrestore(&samsung_pwm_lock, flags); spin_unlock_irqrestore(&samsung_pwm_lock, flags);
} }
...@@ -170,7 +170,7 @@ static void samsung_time_start(unsigned int channel, bool periodic) ...@@ -170,7 +170,7 @@ static void samsung_time_start(unsigned int channel, bool periodic)
spin_lock_irqsave(&samsung_pwm_lock, flags); spin_lock_irqsave(&samsung_pwm_lock, flags);
tcon = __raw_readl(pwm.base + REG_TCON); tcon = readl_relaxed(pwm.base + REG_TCON);
tcon &= ~TCON_MANUALUPDATE(channel); tcon &= ~TCON_MANUALUPDATE(channel);
tcon |= TCON_START(channel); tcon |= TCON_START(channel);
...@@ -180,7 +180,7 @@ static void samsung_time_start(unsigned int channel, bool periodic) ...@@ -180,7 +180,7 @@ static void samsung_time_start(unsigned int channel, bool periodic)
else else
tcon &= ~TCON_AUTORELOAD(channel); tcon &= ~TCON_AUTORELOAD(channel);
__raw_writel(tcon, pwm.base + REG_TCON); writel_relaxed(tcon, pwm.base + REG_TCON);
spin_unlock_irqrestore(&samsung_pwm_lock, flags); spin_unlock_irqrestore(&samsung_pwm_lock, flags);
} }
......
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