linux-kernel - [PATCH] pinctrl: amd: Fix an issue with shutdown when system set to s0ix

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Message-Id: <20210809201513.12367-1-mario.limonciello@amd.com>
Date:   Mon,  9 Aug 2021 15:15:13 -0500
From:   Mario Limonciello <mario.limonciello@....com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Raul E Rangel <rrangel@...omium.org>
Cc:     linux-gpio@...r.kernel.org (open list:PIN CONTROL SUBSYSTEM),
        linux-kernel@...r.kernel.org (open list),
        Nehal Shah <Nehal-bakulchandra.Shah@....com>,
        Shyam Sundar S K <Shyam-sundar.S-k@....com>,
        Mario Limonciello <mario.limonciello@....com>,
        nix.or.die@...glemail.com
Subject: [PATCH] pinctrl: amd: Fix an issue with shutdown when system set to s0ix

IRQs are getting armed on shutdown causing the system to immediately
wake back up.

Link: https://lkml.org/lkml/2021/8/2/1114
Reported-by: nix.or.die@...glemail.com
CC: Raul E Rangel <rrangel@...omium.org>
Fixes: d62bd5ce12d7 ("pinctrl: amd: Implement irq_set_wake")
Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
 drivers/pinctrl/pinctrl-amd.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
index a76be6cc26ee..5b764740b829 100644
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -444,8 +444,7 @@ static int amd_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
 	unsigned long flags;
 	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
 	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
-	u32 wake_mask = BIT(WAKE_CNTRL_OFF_S0I3) | BIT(WAKE_CNTRL_OFF_S3) |
-			BIT(WAKE_CNTRL_OFF_S4);
+	u32 wake_mask = BIT(WAKE_CNTRL_OFF_S0I3) | BIT(WAKE_CNTRL_OFF_S3);
 
 	raw_spin_lock_irqsave(&gpio_dev->lock, flags);
 	pin_reg = readl(gpio_dev->base + (d->hwirq)*4);
-- 
2.25.1