[PATCH v4 13/19] power: reset: msm-poweroff: Use devm_register_sys_off_handler(RESTART)

From: Andrew Davis
Date: Mon Feb 12 2024 - 11:32:36 EST


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

Signed-off-by: Andrew Davis <afd@xxxxxx>
---
drivers/power/reset/msm-poweroff.c | 19 ++++---------------
1 file changed, 4 insertions(+), 15 deletions(-)

diff --git a/drivers/power/reset/msm-poweroff.c b/drivers/power/reset/msm-poweroff.c
index 3bf0ea06c4853..c7eb6dc8e90ae 100644
--- 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,
--
2.39.2