The following commit has been merged into the irq/core branch of tip: Commit-ID: 25591d4c6459ce416a319832ce806be7b86183dc Gitweb: https://git.kernel.org/tip/25591d4c6459ce416a319832ce806be7b86183dc Author: Alexandre Torgue <alexandre.torgue@xxxxxx> AuthorDate: Wed, 19 Feb 2020 15:32:28 +01:00 Committer: Marc Zyngier <maz@xxxxxxxxxx> CommitterDate: Sun, 08 Mar 2020 14:25:45 irqchip/stm32: Add irq retrigger support 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@xxxxxx> Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx> Tested-by: Marek Vasut <marex@xxxxxxx> Link: https://lore.kernel.org/r/20200219143229.18084-2-alexandre.torgue@xxxxxx --- drivers/irqchip/irq-stm32-exti.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c index e00f2fa..faa8482 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 0; +} + 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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