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| author | Dave Airlie <airlied@redhat.com> | 2020-09-08 14:41:40 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2020-09-08 14:41:40 +1000 |
| commit | ce5c207c6b8dd9cdeaeeb2345b8a69335c0d98bf (patch) | |
| tree | 3a54614d597b7b92ada36c5ea26dc994216b628b /drivers/irqchip/irq-stm32-exti.c | |
| parent | 3393649977f9a8847c659e282ea290d4b703295c (diff) | |
| parent | f4d51dffc6c01a9e94650d95ce0104964f8ae822 (diff) | |
| download | linux-ce5c207c6b8dd9cdeaeeb2345b8a69335c0d98bf.tar.gz linux-ce5c207c6b8dd9cdeaeeb2345b8a69335c0d98bf.tar.bz2 linux-ce5c207c6b8dd9cdeaeeb2345b8a69335c0d98bf.zip | |
Merge tag 'v5.9-rc4' into drm-next
Backmerge 5.9-rc4 as there is a nasty qxl conflict
that needs to be resolved.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/irqchip/irq-stm32-exti.c')
| -rw-r--r-- | drivers/irqchip/irq-stm32-exti.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c index 03a36be757d8..0c2c61db26b4 100644 --- a/drivers/irqchip/irq-stm32-exti.c +++ b/drivers/irqchip/irq-stm32-exti.c @@ -416,6 +416,16 @@ static void stm32_irq_ack(struct irq_data *d) irq_gc_unlock(gc); } +/* directly set the target bit without reading first. */ +static inline void stm32_exti_write_bit(struct irq_data *d, u32 reg) +{ + struct stm32_exti_chip_data *chip_data = irq_data_get_irq_chip_data(d); + void __iomem *base = chip_data->host_data->base; + u32 val = BIT(d->hwirq % IRQS_PER_BANK); + + writel_relaxed(val, base + reg); +} + static inline u32 stm32_exti_set_bit(struct irq_data *d, u32 reg) { struct stm32_exti_chip_data *chip_data = irq_data_get_irq_chip_data(d); @@ -449,9 +459,9 @@ static void stm32_exti_h_eoi(struct irq_data *d) raw_spin_lock(&chip_data->rlock); - stm32_exti_set_bit(d, stm32_bank->rpr_ofst); + stm32_exti_write_bit(d, stm32_bank->rpr_ofst); if (stm32_bank->fpr_ofst != UNDEF_REG) - stm32_exti_set_bit(d, stm32_bank->fpr_ofst); + stm32_exti_write_bit(d, stm32_bank->fpr_ofst); raw_spin_unlock(&chip_data->rlock); |