[PATCH 4.16 25/72] gpio: fix aspeed_gpio unmask irq

[Greg Kroah-Hartman]

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

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

From: Govert Overgaauw <govert.overga...@prodrive-technologies.com>

commit f241632fd087d3d9fbd5450f4d8c8604badd8348 upstream.

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

Cc: sta...@vger.kernel.org
Signed-off-by: Govert Overgaauw <govert.overga...@prodrive-technologies.com>
Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 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
@@ -384,7 +384,7 @@ 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);