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hwmon: (pwm-fan) disable threaded interrupts

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The interrupt handler here just increments an atomic counter, jumping to
a threaded handler risks missing tachometer pulses and is likely to be
more expensive than the simple atomic increment.

Signed-off-by: John Keeping <jkeeping@inmusicbrands.com>
Link: https://lore.kernel.org/r/20250410180357.2258822-1-jkeeping@inmusicbrands.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
John Keeping 2025-04-10 19:03:57 +01:00 committed by Guenter Roeck
parent 7e581c193b
commit 5659108384
1 changed files with 2 additions and 2 deletions
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4
drivers/hwmon/pwm-fan.c
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@ -620,8 +620,8 @@ static int pwm_fan_probe(struct platform_device *pdev)
if (tach->irq == -EPROBE_DEFER)
return tach->irq;
if (tach->irq > 0) {
ret = devm_request_irq(dev, tach->irq, pulse_handler, 0,
pdev->name, tach);
ret = devm_request_irq(dev, tach->irq, pulse_handler,
IRQF_NO_THREAD, pdev->name, tach);
if (ret) {
dev_err(dev,
"Failed to request interrupt: %d\n",