diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/mt7621-gpio/gpio-mt7621.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/staging/mt7621-gpio/gpio-mt7621.c b/drivers/staging/mt7621-gpio/gpio-mt7621.c index 143268a866c2..c96ae678e91f 100644 --- a/drivers/staging/mt7621-gpio/gpio-mt7621.c +++ b/drivers/staging/mt7621-gpio/gpio-mt7621.c @@ -231,10 +231,9 @@ mediatek_gpio_irq_unmask(struct irq_data *d) if (!rg) return; + spin_lock_irqsave(&rg->lock, flags); rise = mtk_gpio_r32(rg, GPIO_REG_REDGE); fall = mtk_gpio_r32(rg, GPIO_REG_FEDGE); - - spin_lock_irqsave(&rg->lock, flags); mtk_gpio_w32(rg, GPIO_REG_REDGE, rise | (PIN_MASK(pin) & rg->rising)); mtk_gpio_w32(rg, GPIO_REG_FEDGE, fall | (PIN_MASK(pin) & rg->falling)); spin_unlock_irqrestore(&rg->lock, flags); @@ -253,10 +252,9 @@ mediatek_gpio_irq_mask(struct irq_data *d) if (!rg) return; + spin_lock_irqsave(&rg->lock, flags); rise = mtk_gpio_r32(rg, GPIO_REG_REDGE); fall = mtk_gpio_r32(rg, GPIO_REG_FEDGE); - - spin_lock_irqsave(&rg->lock, flags); mtk_gpio_w32(rg, GPIO_REG_FEDGE, fall & ~PIN_MASK(pin)); mtk_gpio_w32(rg, GPIO_REG_REDGE, rise & ~PIN_MASK(pin)); spin_unlock_irqrestore(&rg->lock, flags); |