[PATCH 1/3] gpio: pcie-idio-24: Fix irq mask when masking

From: Arnaud de Turckheim
Date: Wed Nov 04 2020 - 10:25:24 EST


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")
Signed-off-by: Arnaud de Turckheim <quarium@xxxxxxxxx>
---
drivers/gpio/gpio-pcie-idio-24.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-pcie-idio-24.c b/drivers/gpio/gpio-pcie-idio-24.c
index a68941d19ac6..5ea517416366 100644
--- a/drivers/gpio/gpio-pcie-idio-24.c
+++ b/drivers/gpio/gpio-pcie-idio-24.c
@@ -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) {
--
2.25.1