linux-kernel - [PATCH] gpio: sifive: Support IRQ wake

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Date:   Mon, 26 Jun 2023 10:26:08 -0700
From:   Samuel Holland <samuel.holland@...ive.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Andy Shevchenko <andy@...nel.org>
Cc:     Samuel Holland <samuel.holland@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org
Subject: [PATCH] gpio: sifive: Support IRQ wake

Each pin drives a separate interrupt in the parent IRQ domain, so there
is no need to set IRQCHIP_MASK_ON_SUSPEND.

Signed-off-by: Samuel Holland <samuel.holland@...ive.com>
---

 drivers/gpio/gpio-sifive.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/gpio-sifive.c b/drivers/gpio/gpio-sifive.c
index 98939cd4a71e..c2653313f3a2 100644
--- a/drivers/gpio/gpio-sifive.c
+++ b/drivers/gpio/gpio-sifive.c
@@ -150,6 +150,7 @@ static const struct irq_chip sifive_gpio_irqchip = {
 	.irq_disable	= sifive_gpio_irq_disable,
 	.irq_eoi	= sifive_gpio_irq_eoi,
 	.irq_set_affinity = sifive_gpio_irq_set_affinity,
+	.irq_set_wake	= irq_chip_set_wake_parent,
 	.flags		= IRQCHIP_IMMUTABLE,
 	GPIOCHIP_IRQ_RESOURCE_HELPERS,
 };
-- 
2.40.1