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gpio: pcie-idio-24: Fix irq mask when masking

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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>
This commit is contained in:
Arnaud de Turckheim 2020-11-04 16:24:53 +01:00 committed by Bartosz Golaszewski
parent 1f5eb8b17f
commit d8f270efea
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpio-pcie-idio-24.c
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@ -339,7 +339,7 @@ static void idio_24_irq_mask(struct irq_data *data)
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) {