diff mbox series

[5.4,128/151] gpio: pcie-idio-24: Fix irq mask when masking

Message ID 20201117122127.652559069@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH Nov. 17, 2020, 1:05 p.m. UTC
From: Arnaud de Turckheim <quarium@gmail.com>

commit d8f270efeac850c569c305dc0baa42ac3d607988 upstream.

Fix the bitwise operation to remove only the corresponding bit from the
mask.

Fixes: 585562046628 ("gpio: Add GPIO support for the ACCES PCIe-IDIO-24 family")
Cc: stable@vger.kernel.org
Signed-off-by: Arnaud de Turckheim <quarium@gmail.com>
Reviewed-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpio/gpio-pcie-idio-24.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

--- a/drivers/gpio/gpio-pcie-idio-24.c
+++ b/drivers/gpio/gpio-pcie-idio-24.c
@@ -365,7 +365,7 @@  static void idio_24_irq_mask(struct irq_
 
 	raw_spin_lock_irqsave(&idio24gpio->lock, flags);
 
-	idio24gpio->irq_mask &= BIT(bit_offset);
+	idio24gpio->irq_mask &= ~BIT(bit_offset);
 	new_irq_mask = idio24gpio->irq_mask >> bank_offset;
 
 	if (!new_irq_mask) {