linux-kernel - Re: [PATCH v21 9/9] usb: dwc3: qcom: Add multiport suspend/resume support for wrapper

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Message-ID: <ZiYQQ6DlGPFcxrdI@hovoldconsulting.com>
Date: Mon, 22 Apr 2024 09:22:43 +0200
From: Johan Hovold <johan@...nel.org>
To: Krishna Kurapati <quic_kriskura@...cinc.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Rob Herring <robh@...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, Bjorn Andersson <quic_bjorande@...cinc.com>
Subject: Re: [PATCH v21 9/9] usb: dwc3: qcom: Add multiport suspend/resume
 support for wrapper

On Sat, Apr 20, 2024 at 10:19:01AM +0530, Krishna Kurapati wrote:
> Power event IRQ is used for wakeup either when the controller is
> SuperSpeed capable but is missing an SuperSpeed PHY interrupt, or when
> the GIC is not capable of detecting DP/DM High-Speed PHY interrupts.
> 
> The Power event IRQ stat register indicates whether the High-Speed
> phy entered and exited L2 successfully during suspend and resume.
> Indicate the same for all ports of a multiport controller.
> 
> Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>
> Reviewed-by: Bjorn Andersson <quic_bjorande@...cinc.com>

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