[PATCH 07/69] clocksource/drivers/rockchip: Remove dsb() usage

Daniel Lezcano
2015-12-18T14:18:42Z

From: Caesar Wang <wxt@rock-chips.com>

The dsb() instruction is pointless in this code.

Remove it.

That also fixes the ARM64 compilation issue.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Tested-by: Caesar Wang <wxt@rock-chips.com>
---
drivers/clocksource/rockchip_timer.c | 4 ----
1 file changed, 4 deletions(-)

diff --git a/drivers/clocksource/rockchip_timer.c b/drivers/clocksource/rockchip_timer.c
index b14716b6..8c77a52 100644
--- a/drivers/clocksource/rockchip_timer.c
+++ b/drivers/clocksource/rockchip_timer.c
@@ -49,14 +49,12 @@ static inline void __iomem *rk_base(struct clock_event_device *ce)
static inline void rk_timer_disable(struct clock_event_device *ce)
{
writel_relaxed(TIMER_DISABLE, rk_base(ce) + TIMER_CONTROL_REG);
- dsb();
}

static inline void rk_timer_enable(struct clock_event_device *ce, u32 flags)
{
writel_relaxed(TIMER_ENABLE | TIMER_INT_UNMASK | flags,
rk_base(ce) + TIMER_CONTROL_REG);
- dsb();
}

static void rk_timer_update_counter(unsigned long cycles,
@@ -64,13 +62,11 @@ static void rk_timer_update_counter(unsigned long cycles,
{
writel_relaxed(cycles, rk_base(ce) + TIMER_LOAD_COUNT0);
writel_relaxed(0, rk_base(ce) + TIMER_LOAD_COUNT1);
- dsb();
}

static void rk_timer_interrupt_clear(struct clock_event_device *ce)
{
writel_relaxed(1, rk_base(ce) + TIMER_INT_STATUS);
- dsb();
}

static inline int rk_timer_set_next_event(unsigned long cycles,
--
1.9.1