[PATCH V3 08/11] USB: OHCI: Properly handle ohci-platform suspend

Sergei Shtylyov sergei.shtylyov at cogentembedded.com
Wed Jun 19 08:49:39 EDT 2013


On 19-06-2013 16:12, Manjunath Goudar wrote:

> Suspend scenario in case of ohci-platform glue was not
> properly handled as it was not suspending generic part
> of ohci controller. Calling explicitly the ohci_suspend()
> routine in ohci_platform_suspend() will ensure proper
> handling of suspend scenario.

> Signed-off-by: Manjunath Goudar <manjunath.goudar at linaro.org>
> Cc: Arnd Bergmann <arnd at arndb.de>
> Cc: Alan Stern <stern at rowland.harvard.edu>
> Cc: Greg KH <greg at kroah.com>
> Cc: linux-usb at vger.kernel.org

> V2:
>   -Incase ohci_suspend() fails, return right away without
>    executing further.

> V3:
>   -Aligned variable "do_wakeup" and "ret".
> ---
>   drivers/usb/host/ohci-platform.c |    9 ++++++++-
>   1 file changed, 8 insertions(+), 1 deletion(-)

> diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
> index bc30475..f4830a5 100644
> --- a/drivers/usb/host/ohci-platform.c
> +++ b/drivers/usb/host/ohci-platform.c
> @@ -139,14 +139,21 @@ static int ohci_platform_remove(struct platform_device *dev)
>
>   static int ohci_platform_suspend(struct device *dev)
>   {
> +	struct usb_hcd *hcd = dev_get_drvdata(dev);
>   	struct usb_ohci_pdata *pdata = dev->platform_data;
>   	struct platform_device *pdev =
>   		container_of(dev, struct platform_device, dev);

    Again, the above variables weren't aligned. I bet you were just 
cut-and-pasting the same code without looking... :-/

> +	bool		do_wakeup = device_may_wakeup(dev);
> +	int		ret;

WBR, Sergei




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