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path: root/drivers/mfd/ab8500-sysctrl.c
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Diffstat (limited to 'drivers/mfd/ab8500-sysctrl.c')
-rw-r--r--drivers/mfd/ab8500-sysctrl.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c
index fbca1ced49fa..8e0dae59844d 100644
--- a/drivers/mfd/ab8500-sysctrl.c
+++ b/drivers/mfd/ab8500-sysctrl.c
@@ -23,7 +23,7 @@
static struct device *sysctrl_dev;
-void ab8500_power_off(void)
+static void ab8500_power_off(void)
{
sigset_t old;
sigset_t all;
@@ -104,7 +104,7 @@ void ab8500_restart(char mode, const char *cmd)
plat = dev_get_platdata(sysctrl_dev->parent);
pdata = plat->sysctrl;
- if (pdata->reboot_reason_code)
+ if (pdata && pdata->reboot_reason_code)
reason = pdata->reboot_reason_code(cmd);
else
pr_warn("[%s] No reboot reason set. Default reason %d\n",
@@ -188,14 +188,15 @@ static int ab8500_sysctrl_probe(struct platform_device *pdev)
plat = dev_get_platdata(pdev->dev.parent);
- if (!(plat && plat->sysctrl))
+ if (!plat)
return -EINVAL;
- if (plat->pm_power_off)
+ sysctrl_dev = &pdev->dev;
+
+ if (!pm_power_off)
pm_power_off = ab8500_power_off;
pdata = plat->sysctrl;
-
if (pdata) {
int last, ret, i, j;
@@ -226,6 +227,10 @@ static int ab8500_sysctrl_probe(struct platform_device *pdev)
static int ab8500_sysctrl_remove(struct platform_device *pdev)
{
sysctrl_dev = NULL;
+
+ if (pm_power_off == ab8500_power_off)
+ pm_power_off = NULL;
+
return 0;
}