Re: [RFC 2/4] dwc3: host: Set xhci quirk for LPM if a platform supports it

[Felipe Balbi]

On Fri, Apr 11, 2014 at 03:50:04PM +0530, Pratyush Anand wrote:
> If a platform supports LPM then enable quirk in XHCI for the same.
> 
> Signed-off-by: Pratyush Anand <pratyush.an...@st.com>
> ---
>  drivers/usb/dwc3/core.c | 1 +
>  drivers/usb/dwc3/core.h | 1 +
>  drivers/usb/dwc3/host.c | 2 ++
>  3 files changed, 4 insertions(+)
> 
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index 358375e..119dea3 100644
> --- a/drivers/usb/dwc3/core.c
> +++ b/drivers/usb/dwc3/core.c
> @@ -490,6 +490,7 @@ static int dwc3_probe(struct platform_device *pdev)
>               dwc->maximum_speed = DWC3_DCFG_SUPERSPEED;
>  
>       dwc->needs_fifo_resize = of_property_read_bool(node, "tx-fifo-resize");
> +     dwc->lpm_capable = of_property_read_bool(node, "lpm-capable");

if we really don't have any way of detecting in runtime this feature, we
*must* give platform_data the same support.

>  
>       pm_runtime_enable(dev);
>       pm_runtime_get_sync(dev);
> diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
> index 27dad99..f7bf6da 100644
> --- a/drivers/usb/dwc3/core.h
> +++ b/drivers/usb/dwc3/core.h
> @@ -725,6 +725,7 @@ struct dwc3 {
>       unsigned                setup_packet_pending:1;
>       unsigned                delayed_status:1;
>       unsigned                needs_fifo_resize:1;
> +     unsigned                lpm_capable:1;

missing documentation!!!

-- 
balbi

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