[PATCH v3 08/19] power: reset: axxia-reset: Use devm_register_sys_off_handler(RESTART)

Andrew Davis
2024-02-08T17:04:36Z

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

Signed-off-by: Andrew Davis <afd@ti.com>
---
drivers/power/reset/axxia-reset.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/power/reset/axxia-reset.c b/drivers/power/reset/axxia-reset.c
index 24946766760c3..797bf6773860e 100644
--- a/drivers/power/reset/axxia-reset.c
+++ b/drivers/power/reset/axxia-reset.c
@@ -26,11 +26,10 @@
#define SC_EFUSE_INT_STATUS 0x180c
#define EFUSE_READ_DONE (1<<31)

-static struct regmap *syscon;
-
-static int axxia_restart_handler(struct notifier_block *this,
- unsigned long mode, void *cmd)
+static int axxia_restart_handler(struct sys_off_data *data)
{
+ struct regmap *syscon = data->cb_data;
+
/* Access Key (0xab) */
regmap_write(syscon, SC_CRIT_WRITE_KEY, 0xab);
/* Select internal boot from 0xffff0000 */
@@ -44,14 +43,10 @@ static int axxia_restart_handler(struct notifier_block *this,
return NOTIFY_DONE;
}

-static struct notifier_block axxia_restart_nb = {
- .notifier_call = axxia_restart_handler,
- .priority = 128,
-};
-
static int axxia_reset_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
+ struct regmap *syscon;
int err;

syscon = syscon_regmap_lookup_by_phandle(dev->of_node, "syscon");
@@ -60,7 +55,8 @@ static int axxia_reset_probe(struct platform_device *pdev)
return PTR_ERR(syscon);
}

- err = register_restart_handler(&axxia_restart_nb);
+ err = devm_register_sys_off_handler(&pdev->dev, SYS_OFF_MODE_RESTART,
+ 128, axxia_restart_handler, syscon);
if (err)
dev_err(dev, "cannot register restart handler (err=%d)\n", err);

--
2.39.2