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authorKrzysztof Kozlowski <k.kozlowski@samsung.com>2016-06-01 10:29:57 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-06-08 08:19:59 +0300
commit62c32e4641e7c5f6e0cad72bea0c8645c33d51b6 (patch)
tree55119068450d4b550f41b902311a4f0f7edea5d5 /drivers/usb/misc
parent495660cb53ba7c8cc8fcb577ad05001f12b58632 (diff)
downloadlinux-62c32e4641e7c5f6e0cad72bea0c8645c33d51b6.tar.xz
usb: misc: usb3503: Clean up on driver unbind
The driver should clean up after itself by unpreparing the clock when it is unbound. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/misc')
-rw-r--r--drivers/usb/misc/usb3503.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/usb/misc/usb3503.c b/drivers/usb/misc/usb3503.c
index 0cf2987b322f..8e7737d7ac0a 100644
--- a/drivers/usb/misc/usb3503.c
+++ b/drivers/usb/misc/usb3503.c
@@ -330,6 +330,17 @@ static int usb3503_i2c_probe(struct i2c_client *i2c,
return usb3503_probe(hub);
}
+static int usb3503_i2c_remove(struct i2c_client *i2c)
+{
+ struct usb3503 *hub;
+
+ hub = i2c_get_clientdata(i2c);
+ if (hub->clk)
+ clk_disable_unprepare(hub->clk);
+
+ return 0;
+}
+
static int usb3503_platform_probe(struct platform_device *pdev)
{
struct usb3503 *hub;
@@ -343,6 +354,17 @@ static int usb3503_platform_probe(struct platform_device *pdev)
return usb3503_probe(hub);
}
+static int usb3503_platform_remove(struct platform_device *pdev)
+{
+ struct usb3503 *hub;
+
+ hub = platform_get_drvdata(pdev);
+ if (hub->clk)
+ clk_disable_unprepare(hub->clk);
+
+ return 0;
+}
+
#ifdef CONFIG_PM_SLEEP
static int usb3503_i2c_suspend(struct device *dev)
{
@@ -396,6 +418,7 @@ static struct i2c_driver usb3503_i2c_driver = {
.of_match_table = of_match_ptr(usb3503_of_match),
},
.probe = usb3503_i2c_probe,
+ .remove = usb3503_i2c_remove,
.id_table = usb3503_id,
};
@@ -405,6 +428,7 @@ static struct platform_driver usb3503_platform_driver = {
.of_match_table = of_match_ptr(usb3503_of_match),
},
.probe = usb3503_platform_probe,
+ .remove = usb3503_platform_remove,
};
static int __init usb3503_init(void)