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clocksource/drivers/imx-gpt: Remove unnecessary irq protection

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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>
This commit is contained in:
Clément Péron
2018-11-05 15:15:11 +01:00
committed by Daniel Lezcano
parent df181e3828
commit ec3372f28f
1 changed files with 0 additions and 17 deletions
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17
drivers/clocksource/timer-imx-gpt.c
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@@ -202,15 +202,8 @@ static int v2_set_next_event(unsigned long evt,
static int mxc_shutdown(struct clock_event_device *ced) static int mxc_shutdown(struct clock_event_device *ced)
{ {
struct imx_timer *imxtm = to_imx_timer(ced); struct imx_timer *imxtm = to_imx_timer(ced);
unsigned long flags;
u32 tcn; 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 */ /* Disable interrupt in GPT module */
imxtm->gpt->gpt_irq_disable(imxtm); 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__); printk(KERN_INFO "%s: changing mode\n", __func__);
#endif /* DEBUG */ #endif /* DEBUG */
local_irq_restore(flags);
return 0; return 0;
} }
static int mxc_set_oneshot(struct clock_event_device *ced) static int mxc_set_oneshot(struct clock_event_device *ced)
{ {
struct imx_timer *imxtm = to_imx_timer(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 */ /* Disable interrupt in GPT module */
imxtm->gpt->gpt_irq_disable(imxtm); imxtm->gpt->gpt_irq_disable(imxtm);
@@ -264,7 +248,6 @@ static int mxc_set_oneshot(struct clock_event_device *ced)
* mode switching * mode switching
*/ */
imxtm->gpt->gpt_irq_enable(imxtm); imxtm->gpt->gpt_irq_enable(imxtm);
local_irq_restore(flags);
return 0; return 0;
} }