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Subject[PATCH] usb: ehci-s5p: Use devm for requesting ehci_vbus_gpio
Date
The ehci_vbus_gpio is requested but never freed.  This can cause
problems with deferred probes and would cause problems if
s5p_ehci_remove was ever called. Use devm to fix this.

Signed-off-by: Doug Anderson <dianders@chromium.org>
---
drivers/usb/host/ehci-s5p.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c
index 20ebf6a..a464197 100644
--- a/drivers/usb/host/ehci-s5p.c
+++ b/drivers/usb/host/ehci-s5p.c
@@ -92,6 +92,7 @@ static void s5p_ehci_phy_disable(struct s5p_ehci_hcd *s5p_ehci)

static void s5p_setup_vbus_gpio(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
int err;
int gpio;

@@ -103,7 +104,8 @@ static void s5p_setup_vbus_gpio(struct platform_device *pdev)
if (!gpio_is_valid(gpio))
return;

- err = gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH, "ehci_vbus_gpio");
+ err = devm_gpio_request_one(dev, gpio, GPIOF_OUT_INIT_HIGH,
+ "ehci_vbus_gpio");
if (err)
dev_err(&pdev->dev, "can't request ehci vbus gpio %d", gpio);
}
--
1.8.1.3


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