we can let irqs refire and give the scheduler a chance to choose when we should be scheduled.
Signed-off-by: Felipe Balbi <ba...@ti.com> --- drivers/mfd/menelaus.c | 43 +++++++++++++++++++------------------------ 1 file changed, 19 insertions(+), 24 deletions(-) diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c index 11d7d81..11dc4d3 100644 --- a/drivers/mfd/menelaus.c +++ b/drivers/mfd/menelaus.c @@ -795,30 +795,25 @@ static irqreturn_t menelaus_irq(int irq, void *_menelaus) { struct menelaus_chip *menelaus = _menelaus; void (*handler)(struct menelaus_chip *menelaus); - - while (1) { - unsigned isr; - - isr = (menelaus_read_reg(MENELAUS_INT_STATUS2) - & ~menelaus->mask2) << 8; - isr |= menelaus_read_reg(MENELAUS_INT_STATUS1) - & ~menelaus->mask1; - if (!isr) - break; - - while (isr) { - int irq = fls(isr) - 1; - isr &= ~(1 << irq); - - mutex_lock(&menelaus->lock); - menelaus_disable_irq(irq); - menelaus_ack_irq(irq); - handler = menelaus->handlers[irq]; - if (handler) - handler(menelaus); - menelaus_enable_irq(irq); - mutex_unlock(&menelaus->lock); - } + unsigned isr; + + isr = (menelaus_read_reg(MENELAUS_INT_STATUS2) + & ~menelaus->mask2) << 8; + isr |= menelaus_read_reg(MENELAUS_INT_STATUS1) + & ~menelaus->mask1; + + while (isr) { + int irq = fls(isr) - 1; + isr &= ~(1 << irq); + + mutex_lock(&menelaus->lock); + menelaus_disable_irq(irq); + menelaus_ack_irq(irq); + handler = menelaus->handlers[irq]; + if (handler) + handler(menelaus); + menelaus_enable_irq(irq); + mutex_unlock(&menelaus->lock); } return IRQ_HANDLED; -- 1.8.4.GIT -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/