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path: root/drivers/power/reset/at91-reset.c
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Diffstat (limited to 'drivers/power/reset/at91-reset.c')
-rw-r--r--drivers/power/reset/at91-reset.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c
index 69a75d99ae92..13584e24736a 100644
--- a/drivers/power/reset/at91-reset.c
+++ b/drivers/power/reset/at91-reset.c
@@ -17,8 +17,6 @@
#include <linux/platform_device.h>
#include <linux/reboot.h>
-#include <asm/system_misc.h>
-
#include <soc/at91/at91sam9_ddrsdr.h>
#include <soc/at91/at91sam9_sdramc.h>
@@ -54,7 +52,8 @@ static void __iomem *at91_ramc_base[2], *at91_rstc_base;
* reset register it can be left driving the data bus and
* killing the chance of a subsequent boot from NAND
*/
-static void at91sam9260_restart(enum reboot_mode mode, const char *cmd)
+static int at91sam9260_restart(struct notifier_block *this, unsigned long mode,
+ void *cmd)
{
asm volatile(
/* Align to cache lines */
@@ -76,9 +75,12 @@ static void at91sam9260_restart(enum reboot_mode mode, const char *cmd)
"r" (1),
"r" (AT91_SDRAMC_LPCB_POWER_DOWN),
"r" (AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST));
+
+ return NOTIFY_DONE;
}
-static void at91sam9g45_restart(enum reboot_mode mode, const char *cmd)
+static int at91sam9g45_restart(struct notifier_block *this, unsigned long mode,
+ void *cmd)
{
asm volatile(
/*
@@ -117,6 +119,8 @@ static void at91sam9g45_restart(enum reboot_mode mode, const char *cmd)
"r" (AT91_DDRSDRC_LPCB_POWER_DOWN),
"r" (AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST)
: "r0");
+
+ return NOTIFY_DONE;
}
static void __init at91_reset_status(struct platform_device *pdev)
@@ -161,6 +165,10 @@ static struct of_device_id at91_reset_of_match[] = {
{ /* sentinel */ }
};
+static struct notifier_block at91_restart_nb = {
+ .priority = 192,
+};
+
static int at91_reset_of_probe(struct platform_device *pdev)
{
const struct of_device_id *match;
@@ -183,9 +191,8 @@ static int at91_reset_of_probe(struct platform_device *pdev)
}
match = of_match_node(at91_reset_of_match, pdev->dev.of_node);
- arm_pm_restart = match->data;
-
- return 0;
+ at91_restart_nb.notifier_call = match->data;
+ return register_restart_handler(&at91_restart_nb);
}
static int at91_reset_platform_probe(struct platform_device *pdev)
@@ -212,10 +219,11 @@ static int at91_reset_platform_probe(struct platform_device *pdev)
}
match = platform_get_device_id(pdev);
- arm_pm_restart = (void (*)(enum reboot_mode, const char*))
- match->driver_data;
+ at91_restart_nb.notifier_call =
+ (int (*)(struct notifier_block *,
+ unsigned long, void *)) match->driver_data;
- return 0;
+ return register_restart_handler(&at91_restart_nb);
}
static int at91_reset_probe(struct platform_device *pdev)