Re: [PATCH v18 4/5] usb: dwc3: qcom: Configure wakeup interrupts during suspend

[Pavan Kondeti]

On Wed, May 25, 2022 at 11:50:25PM +0530, Krishna Kurapati wrote:
> From: Sandeep Maheswaram <quic_c_sanm@xxxxxxxxxxx>
> 
> Configure DP/DM line interrupts based on the USB2 device attached to
> the root hub port. When HS/FS device is connected, configure the DP line
> as falling edge to detect both disconnect and remote wakeup scenarios. When
> LS device is connected, configure DM line as falling edge to detect both
> disconnect and remote wakeup. When no device is connected, configure both
> DP and DM lines as rising edge to detect HS/HS/LS device connect scenario.
> 
> Signed-off-by: Sandeep Maheswaram <quic_c_sanm@xxxxxxxxxxx>
> Signed-off-by: Krishna Kurapati <quic_kriskura@xxxxxxxxxxx>
> ---
>  drivers/usb/dwc3/dwc3-qcom.c | 72 ++++++++++++++++++++++++++++++++++++++------
>  1 file changed, 62 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
> index 7352124..56ecee0 100644
> --- a/drivers/usb/dwc3/dwc3-qcom.c
> +++ b/drivers/usb/dwc3/dwc3-qcom.c

<snip>

>  static int dwc3_qcom_suspend(struct dwc3_qcom *qcom)
> @@ -355,8 +405,10 @@ static int dwc3_qcom_suspend(struct dwc3_qcom *qcom)
>  	if (ret)
>  		dev_warn(qcom->dev, "failed to disable interconnect: %d\n", ret);
>  
> -	if (device_may_wakeup(qcom->dev))
> +	if (device_may_wakeup(qcom->dev)) {
> +		qcom->usb2_speed = dwc3_qcom_update_usb2_speed(qcom);
>  		dwc3_qcom_enable_interrupts(qcom);
> +	}

dwc3_qcom_update_usb2_speed() is not updating anything. can you rename the
function to dwc3_qcom_get_usb2_speed()?

Thanks,
Pavan