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authorClément Péron <peron.clem@gmail.com>2018-11-05 15:15:11 +0100
committerDaniel Lezcano <daniel.lezcano@linaro.org>2018-12-18 22:22:23 +0100
commitec3372f28f7bf589388780df5eda945d4cdd7c4b (patch)
tree807481e8433302637a70006abf64ad2c88f57b9b /drivers/clocksource/timer-imx-gpt.c
parentclocksource/drivers/imx-gpt: Add support for ARM64 (diff)
downloadlinux-ec3372f28f7bf589388780df5eda945d4cdd7c4b.tar.xz
linux-ec3372f28f7bf589388780df5eda945d4cdd7c4b.zip
clocksource/drivers/imx-gpt: Remove unnecessary irq protection
shutdown and oneshot are already protected against irq interruptions Signed-off-by: Clément Péron <peron.clem@gmail.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'drivers/clocksource/timer-imx-gpt.c')
-rw-r--r--drivers/clocksource/timer-imx-gpt.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/clocksource/timer-imx-gpt.c b/drivers/clocksource/timer-imx-gpt.c
index a3d6ccbf4a16..706c0d0ff56c 100644
--- a/drivers/clocksource/timer-imx-gpt.c
+++ b/drivers/clocksource/timer-imx-gpt.c
@@ -202,15 +202,8 @@ static int v2_set_next_event(unsigned long evt,
static int mxc_shutdown(struct clock_event_device *ced)
{
struct imx_timer *imxtm = to_imx_timer(ced);
- unsigned long flags;
u32 tcn;
- /*
- * The timer interrupt generation is disabled at least
- * for enough time to call mxc_set_next_event()
- */
- local_irq_save(flags);
-
/* Disable interrupt in GPT module */
imxtm->gpt->gpt_irq_disable(imxtm);
@@ -225,21 +218,12 @@ static int mxc_shutdown(struct clock_event_device *ced)
printk(KERN_INFO "%s: changing mode\n", __func__);
#endif /* DEBUG */
- local_irq_restore(flags);
-
return 0;
}
static int mxc_set_oneshot(struct clock_event_device *ced)
{
struct imx_timer *imxtm = to_imx_timer(ced);
- unsigned long flags;
-
- /*
- * The timer interrupt generation is disabled at least
- * for enough time to call mxc_set_next_event()
- */
- local_irq_save(flags);
/* Disable interrupt in GPT module */
imxtm->gpt->gpt_irq_disable(imxtm);
@@ -264,7 +248,6 @@ static int mxc_set_oneshot(struct clock_event_device *ced)
* mode switching
*/
imxtm->gpt->gpt_irq_enable(imxtm);
- local_irq_restore(flags);
return 0;
}