power: reset: msm-poweroff: Use devm_register_sys_off_handler(RESTART)

Use device life-cycle managed register function to simplify probe.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240212162831.67838-14-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

diff --git a/drivers/power/reset/msm-poweroff.c b/drivers/power/reset/msm-poweroff.c
index 3bf0ea06c485385fde65f39b6399322c007e4d48..c7eb6dc8e90ae5e7821bb09692dc3855d9793ad8 100644 (file)
--- a/drivers/power/reset/msm-poweroff.c
+++ b/drivers/power/reset/msm-poweroff.c
@@ -14,23 +14,11 @@
 #include <linux/pm.h>
 
 static void __iomem *msm_ps_hold;
-static int deassert_pshold(struct notifier_block *nb, unsigned long action,
-                          void *data)
-{
-       writel(0, msm_ps_hold);
-       mdelay(10000);
-
-       return NOTIFY_DONE;
-}
-
-static struct notifier_block restart_nb = {
-       .notifier_call = deassert_pshold,
-       .priority = 128,
-};
 
 static int do_msm_poweroff(struct sys_off_data *data)
 {
-       deassert_pshold(&restart_nb, 0, NULL);
+       writel(0, msm_ps_hold);
+       mdelay(10000);
 
        return NOTIFY_DONE;
 }
@@ -41,7 +29,8 @@ static int msm_restart_probe(struct platform_device *pdev)
        if (IS_ERR(msm_ps_hold))
                return PTR_ERR(msm_ps_hold);
 
-       register_restart_handler(&restart_nb);
+       devm_register_sys_off_handler(&pdev->dev, SYS_OFF_MODE_RESTART,
+                                     128, do_msm_poweroff, NULL);
 
        devm_register_sys_off_handler(&pdev->dev, SYS_OFF_MODE_POWER_OFF,
                                      SYS_OFF_PRIO_DEFAULT, do_msm_poweroff,