From 2d58b4b47078c19f6c1e110c619009dcbeaf8b53 Mon Sep 17 00:00:00 2001
From: Markus Fritsche <mfritsche@localhost>
Date: Thu, 16 Apr 2026 23:53:04 +0200
Subject: [PATCH 4/9] input: rk805-pwrkey: register wake IRQ via
 dev_pm_set_wake_irq

device_init_wakeup() only marks the device as wakeup-capable; without
dev_pm_set_wake_irq() the PM core never arms the IRQ.  Wire up the
wake-IRQ so the PMIC power key can wake the system from suspend.

Generated-by: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Markus Fritsche <mfritsche@localhost>
---
 drivers/input/misc/rk805-pwrkey.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/input/misc/rk805-pwrkey.c b/drivers/input/misc/rk805-pwrkey.c
index 76873aa005b4..dd0008e25d6d 100644
--- a/drivers/input/misc/rk805-pwrkey.c
+++ b/drivers/input/misc/rk805-pwrkey.c
@@ -14,6 +14,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/pm_wakeirq.h>
 
 static irqreturn_t pwrkey_fall_irq(int irq, void *_pwr)
 {
@@ -87,6 +88,11 @@ static int rk805_pwrkey_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, pwr);
 	device_init_wakeup(&pdev->dev, true);
 
+	err = dev_pm_set_wake_irq(&pdev->dev, fall_irq);
+	if (err)
+		dev_warn(&pdev->dev, "Can't set wake IRQ %d: %d\n",
+			 fall_irq, err);
+
 	return 0;
 }
 
-- 
2.54.0