diff options
| author | Guenter Roeck <linux@roeck-us.net> | 2015-01-25 12:30:43 -0800 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2015-01-25 22:13:16 +0100 |
| commit | 453fe4f11c2ac18b654db13daeaa71409ef142e0 (patch) | |
| tree | 45bcee41954aca628fd317f10469545d7025ed21 /drivers/power | |
| parent | b2b3a8b934e649d0f0659584f2186602dbb391b5 (diff) | |
power/reset: st-poweroff: Register with kernel restart handler
Register with kernel restart handler instead of setting arm_pm_restart
directly. Select high priority since the restart handler is instantiated
through devicetree, indicating that it should be used if configured.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/reset/st-poweroff.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/power/reset/st-poweroff.c b/drivers/power/reset/st-poweroff.c index a0acf25ee2a2..27383de9caa8 100644 --- a/drivers/power/reset/st-poweroff.c +++ b/drivers/power/reset/st-poweroff.c @@ -15,10 +15,9 @@ #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/mfd/syscon.h> +#include <linux/reboot.h> #include <linux/regmap.h> -#include <asm/system_misc.h> - struct reset_syscfg { struct regmap *regmap; /* syscfg used for reset */ @@ -75,7 +74,8 @@ static struct reset_syscfg stid127_reset = { static struct reset_syscfg *st_restart_syscfg; -static void st_restart(enum reboot_mode reboot_mode, const char *cmd) +static int st_restart(struct notifier_block *this, unsigned long mode, + void *cmd) { /* reset syscfg updated */ regmap_update_bits(st_restart_syscfg->regmap, @@ -88,8 +88,15 @@ static void st_restart(enum reboot_mode reboot_mode, const char *cmd) st_restart_syscfg->offset_rst_msk, st_restart_syscfg->mask_rst_msk, 0); + + return NOTIFY_DONE; } +static struct notifier_block st_restart_nb = { + .notifier_call = st_restart, + .priority = 192, +}; + static struct of_device_id st_reset_of_match[] = { { .compatible = "st,stih415-restart", @@ -126,9 +133,7 @@ static int st_reset_probe(struct platform_device *pdev) return PTR_ERR(st_restart_syscfg->regmap); } - arm_pm_restart = st_restart; - - return 0; + return register_restart_handler(&st_restart_nb); } static struct platform_driver st_reset_driver = { |