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authorXiaofei Tan <tanxiaofei@huawei.com>2021-02-03 15:39:37 +0300
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2021-02-06 02:50:47 +0300
commit51317975565329ee50e52d0fffce50566b43cc2d (patch)
tree4b220638f06a5addd83374951e9695287219f9c6 /drivers/rtc
parent6950d046eb6eabbc271fda416460c05f7a85698a (diff)
downloadlinux-51317975565329ee50e52d0fffce50566b43cc2d.tar.xz
rtc: pm8xxx: Replace spin_lock_irqsave with spin_lock in hard IRQ
It is redundant to do irqsave and irqrestore in hardIRQ context, where it has been in a irq-disabled context. Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/1612355981-6764-3-git-send-email-tanxiaofei@huawei.com
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-pm8xxx.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c
index 70d1ff53b813..eb206597a8fa 100644
--- a/drivers/rtc/rtc-pm8xxx.c
+++ b/drivers/rtc/rtc-pm8xxx.c
@@ -352,16 +352,15 @@ static irqreturn_t pm8xxx_alarm_trigger(int irq, void *dev_id)
const struct pm8xxx_rtc_regs *regs = rtc_dd->regs;
unsigned int ctrl_reg;
int rc;
- unsigned long irq_flags;
rtc_update_irq(rtc_dd->rtc, 1, RTC_IRQF | RTC_AF);
- spin_lock_irqsave(&rtc_dd->ctrl_reg_lock, irq_flags);
+ spin_lock(&rtc_dd->ctrl_reg_lock);
/* Clear the alarm enable bit */
rc = regmap_read(rtc_dd->regmap, regs->alarm_ctrl, &ctrl_reg);
if (rc) {
- spin_unlock_irqrestore(&rtc_dd->ctrl_reg_lock, irq_flags);
+ spin_unlock(&rtc_dd->ctrl_reg_lock);
goto rtc_alarm_handled;
}
@@ -369,13 +368,13 @@ static irqreturn_t pm8xxx_alarm_trigger(int irq, void *dev_id)
rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl, ctrl_reg);
if (rc) {
- spin_unlock_irqrestore(&rtc_dd->ctrl_reg_lock, irq_flags);
+ spin_unlock(&rtc_dd->ctrl_reg_lock);
dev_err(rtc_dd->rtc_dev,
"Write to alarm control register failed\n");
goto rtc_alarm_handled;
}
- spin_unlock_irqrestore(&rtc_dd->ctrl_reg_lock, irq_flags);
+ spin_unlock(&rtc_dd->ctrl_reg_lock);
/* Clear RTC alarm register */
rc = regmap_read(rtc_dd->regmap, regs->alarm_ctrl2, &ctrl_reg);