[PATCH V4 04/11] USB: OHCI: Properly handle ohci-da8xx suspend

Sergei Shtylyov sergei.shtylyov at cogentembedded.com
Thu Jun 20 07:31:42 EDT 2013


Hello.

On 20-06-2013 13:36, Manjunath Goudar wrote:

> Suspend scenario in case of ohci-da8xx glue was not
> properly handled as it was not suspending generic part
> of ohci controller. Calling explicitly the ohci_suspend()
> routine in ohci_da8xx_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".
>   -pdev->dev.power.power_state stuff has been removed.

> V4:
>   -Properly aligned "do_wakeup" and "ret" variable.
> ---
>   drivers/usb/host/ohci-da8xx.c |   15 +++++++++++----
>   1 file changed, 11 insertions(+), 4 deletions(-)

> diff --git a/drivers/usb/host/ohci-da8xx.c b/drivers/usb/host/ohci-da8xx.c
> index 6aaa9c9..44893cf 100644
> --- a/drivers/usb/host/ohci-da8xx.c
> +++ b/drivers/usb/host/ohci-da8xx.c
> @@ -406,19 +406,26 @@ static int ohci_hcd_da8xx_drv_remove(struct platform_device *dev)
>   }
>
>   #ifdef CONFIG_PM
> -static int ohci_da8xx_suspend(struct platform_device *dev, pm_message_t message)
> +static int ohci_da8xx_suspend(struct platform_device *pdev,
> +		pm_message_t message)

    Could you align this line more, so that it starts under the 
character after ( in the previous line.

>   {
> -	struct usb_hcd	*hcd	= platform_get_drvdata(dev);
> +	struct usb_hcd	*hcd	= platform_get_drvdata(pdev);
>   	struct ohci_hcd	*ohci	= hcd_to_ohci(hcd);
> +	bool	do_wakeup	= device_may_wakeup(&pdev->dev);
> +	int	ret;

    I wouldn't call this "properly aligned". It need one more tab.

WBR, Sergei




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