gpio: fix aspeed_gpio unmask irq

commit f241632fd087d3d9fbd5450f4d8c8604badd8348 upstream.

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

Cc: stable@vger.kernel.org
Signed-off-by: Govert Overgaauw <govert.overgaauw@prodrive-technologies.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c
index 03a5925a423c93dbb9e381be0a1da6300990d9ac..a9daf7121e6e633d8b4260c89a93a44950aeb50e 100644 (file)
--- a/drivers/gpio/gpio-aspeed.c
+++ b/drivers/gpio/gpio-aspeed.c
@@ -256,7 +256,7 @@ static void aspeed_gpio_irq_set_mask(struct irq_data *d, bool set)
        if (set)
                reg |= bit;
        else
-               reg &= bit;
+               reg &= ~bit;
        iowrite32(reg, addr);
 
        spin_unlock_irqrestore(&gpio->lock, flags);