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power: reset: axxia-reset: Use devm_register_sys_off_handler(RESTART)

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

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240212162831.67838-9-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Andrew Davis 2024-02-12 10:28:20 -06:00 committed by Sebastian Reichel
parent 45079f206e
commit ad8d7b8002
1 changed files with 6 additions and 10 deletions
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16
drivers/power/reset/axxia-reset.c
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@ -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);