Re: [PATCH 1/5] usb: xhci: add the suspend/resume functionality

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On Tue, 23 Jul 2013, Sarah Sharp wrote:

> From: Vikas Sajjan <vikas.sajjan@xxxxxxxxxx>
> 
> Adds power management support to xHCI platform driver.
> 
> This patch facilitates the transition of xHCI host controller
> between S0 and S3/S4 power states, during suspend/resume cycles.
> 
> Signed-off-by: Abhilash Kesavan <a.kesavan@xxxxxxxxxxx>
> Signed-off-by: Vikas C Sajjan <vikas.sajjan@xxxxxxxxxx>
> CC: Doug Anderson <dianders@xxxxxxxxxxxx>
> Signed-off-by: Felipe Balbi <balbi@xxxxxx>
> Signed-off-by: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx>
> ---
>  drivers/usb/host/xhci-plat.c |   26 ++++++++++++++++++++++++++
>  1 files changed, 26 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
> index 51e22bf..412fe8d 100644
> --- a/drivers/usb/host/xhci-plat.c
> +++ b/drivers/usb/host/xhci-plat.c
> @@ -186,11 +186,37 @@ static int xhci_plat_remove(struct platform_device *dev)
>  	return 0;
>  }
>  
> +#ifdef CONFIG_PM
> +static int xhci_plat_suspend(struct device *dev)
> +{
> +	struct usb_hcd	*hcd = dev_get_drvdata(dev);
> +	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
> +
> +	return xhci_suspend(xhci);
> +}

Where does the wakeup setting get taken into account?

Alan Stern

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