github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-23 14:42:08 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

rtc: max31335: use regmap_update_bits_check

Browse Source 
Simplify the IRQ handler by using regmap_update_bits_check.

Reviewed-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20240115232215.273374-2-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2024-01-16 00:22:14 +01:00
parent 590b1d19d7
commit b7d450d98b
1 changed files with 5 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/rtc/rtc-max31335.c
View File

@ -348,18 +348,16 @@ static int max31335_alarm_irq_enable(struct device *dev, unsigned int enabled)
static irqreturn_t max31335_handle_irq(int irq, void *dev_id)
{
struct max31335_data *max31335 = dev_id;
int ret, status;
bool status;
int ret;
ret = regmap_read(max31335->regmap, MAX31335_STATUS1, &status);
ret = regmap_update_bits_check(max31335->regmap, MAX31335_STATUS1,
MAX31335_STATUS1_A1F, 0, &status);
if (ret)
return IRQ_HANDLED;
if (FIELD_GET(MAX31335_STATUS1_A1F, status)) {
regmap_update_bits(max31335->regmap, MAX31335_STATUS1,
MAX31335_STATUS1_A1F, 0);
if (status)
rtc_update_irq(max31335->rtc, 1, RTC_AF | RTC_IRQF);
}
return IRQ_HANDLED;
}