From 62c32e4641e7c5f6e0cad72bea0c8645c33d51b6 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Wed, 1 Jun 2016 09:29:57 +0200 Subject: [PATCH] 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 Reviewed-by: Javier Martinez Canillas Signed-off-by: Greg Kroah-Hartman --- drivers/usb/misc/usb3503.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) 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) -- 2.45.2