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| author |  Andrew Davis <afd@ti.com>
| 2024-02-12 10:28:14 -0600 |
|---|---|---|
| committer |  Sebastian Reichel <sebastian.reichel@collabora.com>
| 2024-02-13 02:17:24 +0100 |
| commit | ab1439b05168dc73539e78d8b3100a0336a83bca (patch) | |
| tree | 94a4f5130883fedda04d7fa2b7b173541fdd9ec3 /drivers/power/reset | |
| parent | power: reset: atc260x-poweroff: Use devm_register_sys_off_handler(RESTART) (diff) | |
| download | linux-ab1439b05168dc73539e78d8b3100a0336a83bca.tar.gz linux-ab1439b05168dc73539e78d8b3100a0336a83bca.tar.bz2 linux-ab1439b05168dc73539e78d8b3100a0336a83bca.zip | |
power: reset: atc260x-poweroff: Use devm_register_sys_off_handler(POWER_OFF)
Use device life-cycle managed register function to simplify probe and
exit paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Reviewed-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20240212162831.67838-3-afd@ti.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power/reset')
| -rw-r--r-- | drivers/power/reset/atc260x-poweroff.c | 38 |
1 files changed, 14 insertions, 24 deletions
diff --git a/drivers/power/reset/atc260x-poweroff.c b/drivers/power/reset/atc260x-poweroff.c index ce2748d3282c..e3e4621ccb1d 100644 --- a/drivers/power/reset/atc260x-poweroff.c +++ b/drivers/power/reset/atc260x-poweroff.c @@ -19,9 +19,6 @@ struct atc260x_pwrc { int (*do_poweroff)(const struct atc260x_pwrc *pwrc, bool restart); }; -/* Global variable needed only for pm_power_off */ -static struct atc260x_pwrc *atc260x_pwrc_data; - static int atc2603c_do_poweroff(const struct atc260x_pwrc *pwrc, bool restart) { int ret, deep_sleep = 0; @@ -164,11 +161,15 @@ static int atc2609a_init(const struct atc260x_pwrc *pwrc) return ret; } -static void atc260x_pwrc_pm_handler(void) +static int atc260x_pwrc_pm_handler(struct sys_off_data *data) { - atc260x_pwrc_data->do_poweroff(atc260x_pwrc_data, false); + struct atc260x_pwrc *pwrc = data->cb_data; + + pwrc->do_poweroff(pwrc, false); WARN_ONCE(1, "Unable to power off system\n"); + + return NOTIFY_DONE; } static int atc260x_pwrc_restart_handler(struct sys_off_data *data) @@ -211,14 +212,14 @@ static int atc260x_pwrc_probe(struct platform_device *pdev) if (ret) return ret; - platform_set_drvdata(pdev, priv); - - if (!pm_power_off) { - atc260x_pwrc_data = priv; - pm_power_off = atc260x_pwrc_pm_handler; - } else { - dev_warn(priv->dev, "Poweroff callback already assigned\n"); - } + ret = devm_register_sys_off_handler(priv->dev, + SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_DEFAULT, + atc260x_pwrc_pm_handler, + priv); + if (ret) + dev_err(priv->dev, "failed to register power-off handler: %d\n", + ret); ret = devm_register_sys_off_handler(priv->dev, SYS_OFF_MODE_RESTART, @@ -232,19 +233,8 @@ static int atc260x_pwrc_probe(struct platform_device *pdev) return ret; } -static void atc260x_pwrc_remove(struct platform_device *pdev) -{ - struct atc260x_pwrc *priv = platform_get_drvdata(pdev); - - if (atc260x_pwrc_data == priv) { - pm_power_off = NULL; - atc260x_pwrc_data = NULL; - } -} - static struct platform_driver atc260x_pwrc_driver = { .probe = atc260x_pwrc_probe, - .remove_new = atc260x_pwrc_remove, .driver = { .name = "atc260x-pwrc", }, |