Messages in this thread | | | Subject | Re: [PATCH v2 1/2] irqchip/stm32: Add irq retrigger support | From | Alexandre Torgue <> | Date | Wed, 19 Feb 2020 12:33:31 +0100 |
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Fix Marc email address
On 2/18/20 2:12 PM, Alexandre Torgue wrote: > This commit introduces retrigger support for stm32_ext_h chip. > It consists to rise the GIC interrupt mapped to an EXTI line. > > Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com> > > diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c > index e00f2fa27f00..c971d115edb4 100644 > --- a/drivers/irqchip/irq-stm32-exti.c > +++ b/drivers/irqchip/irq-stm32-exti.c > @@ -604,12 +604,24 @@ static void stm32_exti_h_syscore_deinit(void) > unregister_syscore_ops(&stm32_exti_h_syscore_ops); > } > > +static int stm32_exti_h_retrigger(struct irq_data *d) > +{ > + struct stm32_exti_chip_data *chip_data = irq_data_get_irq_chip_data(d); > + const struct stm32_exti_bank *stm32_bank = chip_data->reg_bank; > + void __iomem *base = chip_data->host_data->base; > + u32 mask = BIT(d->hwirq % IRQS_PER_BANK); > + > + writel_relaxed(mask, base + stm32_bank->swier_ofst); > + > + return irq_chip_retrigger_hierarchy(d); > +} > + > static struct irq_chip stm32_exti_h_chip = { > .name = "stm32-exti-h", > .irq_eoi = stm32_exti_h_eoi, > .irq_mask = stm32_exti_h_mask, > .irq_unmask = stm32_exti_h_unmask, > - .irq_retrigger = irq_chip_retrigger_hierarchy, > + .irq_retrigger = stm32_exti_h_retrigger, > .irq_set_type = stm32_exti_h_set_type, > .irq_set_wake = stm32_exti_h_set_wake, > .flags = IRQCHIP_MASK_ON_SUSPEND, >
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