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Date: Mon, 25 Mar 2024 13:52:11 +0100
From: Johan Hovold <johan@...nel.org>
To: Krishna Kurapati <quic_kriskura@...cinc.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Wesley Cheng <quic_wcheng@...cinc.com>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
	Felipe Balbi <balbi@...nel.org>, devicetree@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, quic_ppratap@...cinc.com,
	quic_jackp@...cinc.com
Subject: Re: [PATCH v16 9/9] usb: dwc3: qcom: Add multiport suspend/resume
 support for wrapper

On Thu, Mar 07, 2024 at 11:50:52AM +0530, Krishna Kurapati wrote:
> Power event IRQ is used for wakeup in cases:
> a) where the controller is super speed capable and missing an
> ss_phy interrupt.
> b) where the GIC is not capable of detecting DP/DM hs phy irq's.
> 
> Power event IRQ stat register indicates whether high speed phy
> entered and exited L2 successfully during suspend and resume.
> Indicate the same for all ports of multiport.
> 
> Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>

> @@ -471,9 +480,12 @@ static int dwc3_qcom_resume(struct dwc3_qcom *qcom, bool wakeup)
>  	if (ret)
>  		dev_warn(qcom->dev, "failed to enable interconnect: %d\n", ret);
>  
> +	for (i = 0; i < qcom->num_ports; i++) {
>  	/* Clear existing events from PHY related to L2 in/out */

This comment either needs to be moved above the for-loop or be indented
one level in.

> -	dwc3_qcom_setbits(qcom->qscratch_base, PWR_EVNT_IRQ_STAT_REG,
> -			  PWR_EVNT_LPM_IN_L2_MASK | PWR_EVNT_LPM_OUT_L2_MASK);
> +		dwc3_qcom_setbits(qcom->qscratch_base,
> +				  pwr_evnt_irq_stat_reg[i],
> +				  PWR_EVNT_LPM_IN_L2_MASK | PWR_EVNT_LPM_OUT_L2_MASK);
> +	}
>  
>  	qcom->is_suspended = false;

With the above fixed:

Reviewed-by: Johan Hovold <johan+linaro@...nel.org>

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