diff options
| author | Arnaud de Turckheim <quarium@gmail.com> | 2020-11-04 16:24:54 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-18 19:20:31 +0100 |
| commit | 7b6790ae3a94654565695c76aab65f3f5db67639 (patch) | |
| tree | 3f1b6c70625368689337caa47f72341d66646f5e /drivers/gpio | |
| parent | 819bf3b0d969ea91dd33e06271df2e3349923f20 (diff) | |
| download | linux-7b6790ae3a94654565695c76aab65f3f5db67639.tar.gz linux-7b6790ae3a94654565695c76aab65f3f5db67639.tar.bz2 linux-7b6790ae3a94654565695c76aab65f3f5db67639.zip | |
gpio: pcie-idio-24: Fix IRQ Enable Register value
commit 23a7fdc06ebcc334fa667f0550676b035510b70b upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-pcie-idio-24.c | 8 |
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 c69f93dcbb58..9dbc63f1f358 100644 --- a/drivers/gpio/gpio-pcie-idio-24.c +++ b/drivers/gpio/gpio-pcie-idio-24.c @@ -360,13 +360,13 @@ 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); @@ -389,12 +389,12 @@ 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) { |