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authorArnaud de Turckheim <quarium@gmail.com>2020-11-04 16:24:54 +0100
committerBartosz Golaszewski <bgolaszewski@baylibre.com>2020-11-06 15:18:58 +0100
commit23a7fdc06ebcc334fa667f0550676b035510b70b (patch)
tree337880e14e64c36e921f036771c1951a53041f6a /drivers/gpio/gpio-pcie-idio-24.c
parentd8f270efeac850c569c305dc0baa42ac3d607988 (diff)
downloadlinux-23a7fdc06ebcc334fa667f0550676b035510b70b.tar.bz2
gpio: pcie-idio-24: Fix IRQ Enable Register value
This fixes the COS Enable Register value for enabling/disabling the corresponding IRQs bank. 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>
Diffstat (limited to 'drivers/gpio/gpio-pcie-idio-24.c')
-rw-r--r--drivers/gpio/gpio-pcie-idio-24.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpio/gpio-pcie-idio-24.c b/drivers/gpio/gpio-pcie-idio-24.c
index 5ea517416366..a61de14d09b6 100644
--- a/drivers/gpio/gpio-pcie-idio-24.c
+++ b/drivers/gpio/gpio-pcie-idio-24.c
@@ -334,13 +334,13 @@ static void idio_24_irq_mask(struct irq_data *data)
unsigned long flags;
const unsigned long bit_offset = irqd_to_hwirq(data) - 24;
unsigned char new_irq_mask;
- const unsigned long bank_offset = bit_offset/8 * 8;
+ const unsigned long bank_offset = bit_offset / 8;
unsigned char cos_enable_state;
raw_spin_lock_irqsave(&idio24gpio->lock, flags);
idio24gpio->irq_mask &= ~BIT(bit_offset);
- new_irq_mask = idio24gpio->irq_mask >> bank_offset;
+ new_irq_mask = idio24gpio->irq_mask >> bank_offset * 8;
if (!new_irq_mask) {
cos_enable_state = ioread8(&idio24gpio->reg->cos_enable);
@@ -363,12 +363,12 @@ static void idio_24_irq_unmask(struct irq_data *data)
unsigned long flags;
unsigned char prev_irq_mask;
const unsigned long bit_offset = irqd_to_hwirq(data) - 24;
- const unsigned long bank_offset = bit_offset/8 * 8;
+ const unsigned long bank_offset = bit_offset / 8;
unsigned char cos_enable_state;
raw_spin_lock_irqsave(&idio24gpio->lock, flags);
- prev_irq_mask = idio24gpio->irq_mask >> bank_offset;
+ prev_irq_mask = idio24gpio->irq_mask >> bank_offset * 8;
idio24gpio->irq_mask |= BIT(bit_offset);
if (!prev_irq_mask) {