On Friday, March 15, 2013 12:16 PM, Doug Anderson wrote:
>
> 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 <diand...@chromium.org>
Acked-by: Jingoo Han <jg1....@samsung.com>
Best regards,
Jingoo Han
> ---
> Changes in v2:
> - &pdev->dev => dev elsewhere in s5p_setup_vbus_gpio()
>
> drivers/usb/host/ehci-s5p.c | 11 ++++++-----
> 1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c
> index 20ebf6a..738490e 100644
> --- a/drivers/usb/host/ehci-s5p.c
> +++ b/drivers/usb/host/ehci-s5p.c
> @@ -92,20 +92,21 @@ 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;
>
> - if (!pdev->dev.of_node)
> + if (!dev->of_node)
> return;
>
> - gpio = of_get_named_gpio(pdev->dev.of_node,
> - "samsung,vbus-gpio", 0);
> + gpio = of_get_named_gpio(dev->of_node, "samsung,vbus-gpio", 0);
> 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);
> + dev_err(dev, "can't request ehci vbus gpio %d", gpio);
> }
>
> static u64 ehci_s5p_dma_mask = DMA_BIT_MASK(32);
> --
> 1.8.1.3
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