Regulators: wm8994 - clean up driver data after removal
It is a good tone to reset driver data after unbinding the device.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
index d09e018..95454a4 100644
--- a/drivers/regulator/wm8994-regulator.c
+++ b/drivers/regulator/wm8994-regulator.c
@@ -26,7 +26,7 @@
struct wm8994_ldo {
int enable;
- int is_enabled;
+ bool is_enabled;
struct regulator_dev *regulator;
struct wm8994 *wm8994;
};
@@ -43,7 +43,7 @@
return 0;
gpio_set_value(ldo->enable, 1);
- ldo->is_enabled = 1;
+ ldo->is_enabled = true;
return 0;
}
@@ -57,7 +57,7 @@
return -EINVAL;
gpio_set_value(ldo->enable, 0);
- ldo->is_enabled = 0;
+ ldo->is_enabled = false;
return 0;
}
@@ -218,7 +218,7 @@
ldo->wm8994 = wm8994;
- ldo->is_enabled = 1;
+ ldo->is_enabled = true;
if (pdata->ldo[id].enable && gpio_is_valid(pdata->ldo[id].enable)) {
ldo->enable = pdata->ldo[id].enable;
@@ -263,6 +263,8 @@
{
struct wm8994_ldo *ldo = platform_get_drvdata(pdev);
+ platform_set_drvdata(pdev, NULL);
+
regulator_unregister(ldo->regulator);
if (gpio_is_valid(ldo->enable))
gpio_free(ldo->enable);
@@ -276,6 +278,7 @@
.remove = __devexit_p(wm8994_ldo_remove),
.driver = {
.name = "wm8994-ldo",
+ .owner = THIS_MODULE,
},
};