diff options
| author | Krzysztof Kozlowski <k.kozlowski@samsung.com> | 2016-06-01 10:29:57 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-08 08:19:59 +0300 |
| commit | 62c32e4641e7c5f6e0cad72bea0c8645c33d51b6 (patch) | |
| tree | 55119068450d4b550f41b902311a4f0f7edea5d5 | |
| parent | 495660cb53ba7c8cc8fcb577ad05001f12b58632 (diff) | |
| download | linux-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>
| -rw-r--r-- | drivers/usb/misc/usb3503.c | 24 |
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) |