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From: Matthias Kaehlcke <mka@chromium.org>
To: Sandeep Maheswaram <sanm@codeaurora.org>
Cc: Andy Gross <agross@kernel.org>,
	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>,
	linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Manu Gautam <mgautam@codeaurora.org>
Subject: Re: [PATCH v6 4/5] usb: dwc3: qcom: Configure wakeup interrupts during suspend
Date: Mon, 19 Apr 2021 16:22:42 -0700	[thread overview]
Message-ID: <YH4Qwjf0OH0+1BdB@google.com> (raw)
In-Reply-To: <1618567313-25373-5-git-send-email-sanm@codeaurora.org>

On Fri, Apr 16, 2021 at 03:31:52PM +0530, Sandeep Maheswaram wrote:
> Configure interrupts based on hs_phy_mode to avoid triggering of
> interrupts during system suspend and suspend the device successfully.
> 
> Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.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 66183c6..b1e9061 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);
> +	}

nit: 'if' and 'else if' branches should also have curly braces since
'else' has them.

>  	dwc3_qcom_disable_wakeup_irq(qcom->ss_phy_irq);
>  }
>  
>  static void dwc3_qcom_enable_interrupts(struct dwc3_qcom *qcom)
>  {
> -	dwc3_qcom_enable_wakeup_irq(qcom->hs_phy_irq);
> +	struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3);
>  
> -	dwc3_qcom_enable_wakeup_irq(qcom->dp_hs_phy_irq);
> +	dwc3_qcom_enable_wakeup_irq(qcom->hs_phy_irq);
>  
> -	dwc3_qcom_enable_wakeup_irq(qcom->dm_hs_phy_irq);
> +	if (dwc->hs_phy_mode & PHY_MODE_USB_HOST_LS)
> +		dwc3_qcom_enable_wakeup_irq(qcom->dp_hs_phy_irq);
> +	else if (dwc->hs_phy_mode & PHY_MODE_USB_HOST_HS)
> +		dwc3_qcom_enable_wakeup_irq(qcom->dm_hs_phy_irq);
> +	else {
> +		dwc3_qcom_enable_wakeup_irq(qcom->dp_hs_phy_irq);
> +		dwc3_qcom_enable_wakeup_irq(qcom->dm_hs_phy_irq);
> +	}

ditto

>  	dwc3_qcom_enable_wakeup_irq(qcom->ss_phy_irq);
>  }

Other than the nits:

Reviewed-by: Matthias Kaehlcke <mka@chromium.org>

  reply	other threads:[~2021-04-19 23:22 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-16 10:01 [PATCH v6 0/5] USB DWC3 host wake up support from system suspend Sandeep Maheswaram
2021-04-16 10:01 ` [PATCH v6 1/5] usb: dwc3: host: Add suspend_quirk for dwc3 host Sandeep Maheswaram
2021-04-19 20:53   ` Matthias Kaehlcke
2021-04-16 10:01 ` [PATCH v6 2/5] usb: dwc3: core: Host wake up support from system suspend Sandeep Maheswaram
2021-04-19 23:16   ` Matthias Kaehlcke
2021-04-16 10:01 ` [PATCH v6 3/5] usb: dwc3: qcom: Add helper functions to enable,disable wake irqs Sandeep Maheswaram
2021-04-19 19:37   ` Matthias Kaehlcke
2021-04-16 10:01 ` [PATCH v6 4/5] usb: dwc3: qcom: Configure wakeup interrupts during suspend Sandeep Maheswaram
2021-04-19 23:22   ` Matthias Kaehlcke [this message]
2021-04-16 10:01 ` [PATCH v6 5/5] usb: dwc3: qcom: Set genpd active wakeup flag for usb gdsc Sandeep Maheswaram
2021-04-20  0:12   ` Matthias Kaehlcke

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