From d8f270efeac850c569c305dc0baa42ac3d607988 Mon Sep 17 00:00:00 2001
From: Arnaud de Turckheim <quarium@gmail.com>
Date: Wed, 4 Nov 2020 16:24:53 +0100
Subject: [PATCH] gpio: pcie-idio-24: Fix irq mask when masking
Git-commit: d8f270efeac850c569c305dc0baa42ac3d607988
Patch-mainline: v5.10-rc4
References: git-fixes
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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) {
--
2.16.4