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rtc: rtc-spear: replace spin_lock_irqsave by spin_lock in hard IRQ

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The code has been in a irq-disabled context since it is hard IRQ. There
is no necessity to do it again.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/1615775970-59070-1-git-send-email-tiantao6@hisilicon.com
This commit is contained in:
Tian Tao 2021-03-15 10:39:30 +08:00 committed by Alexandre Belloni
parent 8138c5f031
commit 880f25d690
1 changed files with 3 additions and 3 deletions
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6
drivers/rtc/rtc-spear.c
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@ -153,12 +153,12 @@ static void rtc_wait_not_busy(struct spear_rtc_config *config)
static irqreturn_t spear_rtc_irq(int irq, void *dev_id) static irqreturn_t spear_rtc_irq(int irq, void *dev_id)
{ {
struct spear_rtc_config *config = dev_id; struct spear_rtc_config *config = dev_id;
unsigned long flags, events = 0; unsigned long events = 0;
unsigned int irq_data; unsigned int irq_data;
spin_lock_irqsave(&config->lock, flags); spin_lock(&config->lock);
irq_data = readl(config->ioaddr + STATUS_REG); irq_data = readl(config->ioaddr + STATUS_REG);
spin_unlock_irqrestore(&config->lock, flags); spin_unlock(&config->lock);
if ((irq_data & RTC_INT_MASK)) { if ((irq_data & RTC_INT_MASK)) {
spear_rtc_clear_interrupt(config); spear_rtc_clear_interrupt(config);