Re: [PATCH v11 07/13] usb: dwc3: qcom: Add helper function to request threaded IRQ

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On Mon, Aug 28, 2023 at 07:00:27PM +0530, Krishna Kurapati wrote:
> Cleanup setup irq call by implementing a new prep_irq helper function
> and using it to request threaded IRQ's.
> 
> Signed-off-by: Krishna Kurapati <quic_kriskura@xxxxxxxxxxx>
> ---
>  drivers/usb/dwc3/dwc3-qcom.c | 63 +++++++++++++++++-------------------
>  1 file changed, 30 insertions(+), 33 deletions(-)
> 
> diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
> index 3de43df6bbe8..f14ddc9c541d 100644
> --- a/drivers/usb/dwc3/dwc3-qcom.c
> +++ b/drivers/usb/dwc3/dwc3-qcom.c
> @@ -535,6 +535,24 @@ static int dwc3_qcom_get_irq(struct platform_device *pdev,
>  	return ret;
>  }
>  
> +static int dwc3_qcom_prep_irq(struct dwc3_qcom *qcom, char *irq_name,
> +				char *disp_name, int irq)
> +{
> +	int ret;
> +
> +	/* Keep wakeup interrupts disabled until suspend */
> +	irq_set_status_flags(irq, IRQ_NOAUTOEN);
> +	ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
> +					qcom_dwc3_resume_irq,
> +					IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
> +					disp_name, qcom);
> +
> +	if (ret)
> +		dev_err(qcom->dev, "%s failed: %d\n", irq_name, ret);
> +
> +	return ret;
> +}
> +
>  static int dwc3_qcom_setup_irq(struct platform_device *pdev)
>  {
>  	struct dwc3_qcom *qcom = platform_get_drvdata(pdev);
> @@ -545,61 +563,40 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev)
>  	irq = dwc3_qcom_get_irq(pdev, "hs_phy_irq",
>  				pdata ? pdata->hs_phy_irq_index : -1);
>  	if (irq > 0) {
> -		/* Keep wakeup interrupts disabled until suspend */
> -		irq_set_status_flags(irq, IRQ_NOAUTOEN);
> -		ret = devm_request_threaded_irq(qcom->dev, irq, NULL,
> -					qcom_dwc3_resume_irq,
> -					IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
> -					"qcom_dwc3 HS", qcom);
> -		if (ret) {
> -			dev_err(qcom->dev, "hs_phy_irq failed: %d\n", ret);
> +		ret = dwc3_qcom_prep_irq(qcom, "hs_phy_irq",
> +						"qcom_dwc3 HS", irq);

Please leave these lines unwrapped.

Nice cleanup.

Reviewed-by: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>

Regards,
Bjorn




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