diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-amd.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-amd.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 3f6b34febbf1..8ed2a90a8d44 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -532,10 +532,18 @@ static irqreturn_t amd_gpio_irq_handler(int irq, void *dev_id) regval = readl(regs + i); if (!(regval & PIN_IRQ_PENDING)) continue; - irq = irq_find_mapping(gc->irqdomain, irqnr + i); + irq = irq_find_mapping(gc->irq.domain, irqnr + i); generic_handle_irq(irq); - /* Clear interrupt */ + + /* Clear interrupt. + * We must read the pin register again, in case the + * value was changed while executing + * generic_handle_irq() above. + */ + raw_spin_lock_irqsave(&gpio_dev->lock, flags); + regval = readl(regs + i); writel(regval, regs + i); + raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); ret = IRQ_HANDLED; } } |