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Date:   Tue, 22 Mar 2022 14:06:14 +0530
From:   Pavan Kondeti <quic_pkondeti@quicinc.com>
To:     Sandeep Maheswaram <quic_c_sanm@quicinc.com>
CC:     Bjorn Andersson <bjorn.andersson@linaro.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Felipe Balbi <balbi@kernel.org>,
        Stephen Boyd <swboyd@chromium.org>,
        Doug Anderson <dianders@chromium.org>,
        "Matthias Kaehlcke" <mka@chromium.org>,
        Mathias Nyman <mathias.nyman@intel.com>,
        <linux-arm-msm@vger.kernel.org>, <linux-usb@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <quic_pkondeti@quicinc.com>,
        <quic_ppratap@quicinc.com>
Subject: Re: [PATCH v11 4/5] usb: dwc3: qcom: Configure wakeup interrupts
 during suspend
Message-ID: <20220322083614.GL23316@hu-pkondeti-hyd.qualcomm.com>
References: <1647932876-23249-1-git-send-email-quic_c_sanm@quicinc.com>
 <1647932876-23249-5-git-send-email-quic_c_sanm@quicinc.com>
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In-Reply-To: <1647932876-23249-5-git-send-email-quic_c_sanm@quicinc.com>
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Hi Sandeep,

On Tue, Mar 22, 2022 at 12:37:55PM +0530, Sandeep Maheswaram wrote:
> Configure interrupts based on hs_phy_mode to avoid triggering of
> interrupts during system suspend and suspend the device successfully.
> 
The changelog is not clear and confusing. Can you elaborate please?

> Signed-off-by: Sandeep Maheswaram <quic_c_sanm@quicinc.com>
> Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
> ---
>  drivers/usb/dwc3/dwc3-qcom.c | 26 ++++++++++++++++++++------
>  1 file changed, 20 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
> index 7352124..9804a19 100644
> --- a/drivers/usb/dwc3/dwc3-qcom.c
> +++ b/drivers/usb/dwc3/dwc3-qcom.c
> @@ -316,22 +316,36 @@ static void dwc3_qcom_disable_wakeup_irq(int irq)
>  
>  static void dwc3_qcom_disable_interrupts(struct dwc3_qcom *qcom)
>  {
> -	dwc3_qcom_disable_wakeup_irq(qcom->hs_phy_irq);
> +	struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3);
>  
> -	dwc3_qcom_disable_wakeup_irq(qcom->dp_hs_phy_irq);
> +	dwc3_qcom_disable_wakeup_irq(qcom->hs_phy_irq);
>  
> -	dwc3_qcom_disable_wakeup_irq(qcom->dm_hs_phy_irq);
> +	if (dwc->hs_phy_mode & PHY_MODE_USB_HOST_LS) {
> +		dwc3_qcom_disable_wakeup_irq(qcom->dp_hs_phy_irq);
> +	} else if (dwc->hs_phy_mode & PHY_MODE_USB_HOST_HS) {
> +		dwc3_qcom_disable_wakeup_irq(qcom->dm_hs_phy_irq);
> +	} else {
> +		dwc3_qcom_disable_wakeup_irq(qcom->dp_hs_phy_irq);
> +		dwc3_qcom_disable_wakeup_irq(qcom->dm_hs_phy_irq);
> +	}

Thanks,
Pavan