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 <li...@roeck-us.net>
---
drivers/power/reset/st-poweroff.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/drivers/power/reset/st-poweroff.c
b/drivers/power/reset/st-poweroff.c
index a0acf25..27383de 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 = {
--
2.1.0
--
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