[PATCH 4.14 24/62] gpio: fix aspeed_gpio unmask irq

From: Greg Kroah-Hartman
Date: Mon May 14 2018 - 02:56:01 EST


4.14-stable review patch. If anyone has any objections, please let me know.

------------------

From: Govert Overgaauw <govert.overgaauw@xxxxxxxxxxxxxxxxxxxxxxxxx>

commit f241632fd087d3d9fbd5450f4d8c8604badd8348 upstream.

The unmask function disables all interrupts in a bank when unmasking an
interrupt. Only disable the given interrupt.

Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Govert Overgaauw <govert.overgaauw@xxxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/gpio/gpio-aspeed.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpio/gpio-aspeed.c
+++ b/drivers/gpio/gpio-aspeed.c
@@ -375,7 +375,7 @@ static void aspeed_gpio_irq_set_mask(str
if (set)
reg |= bit;
else
- reg &= bit;
+ reg &= ~bit;
iowrite32(reg, addr);

spin_unlock_irqrestore(&gpio->lock, flags);