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From: Matthias Kaehlcke <mka@chromium.org>
To: Krishna Kurapati <quic_kriskura@quicinc.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Rob Herring <robh+dt@kernel.org>, 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>,
	Mathias Nyman <mathias.nyman@intel.com>,
	devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-pm@vger.kernel.org, quic_pkondeti@quicinc.com,
	quic_ppratap@quicinc.com, quic_vpulyala@quicinc.com,
	Sandeep Maheswaram <quic_c_sanm@quicinc.com>
Subject: Re: [PATCH v17 2/5] usb: dwc3: core: Host wake up support from system suspend
Date: Tue, 24 May 2022 15:12:38 -0700	[thread overview]
Message-ID: <Yo1YVi2/k1Iu1ovl@google.com> (raw)
In-Reply-To: <1653387228-28110-3-git-send-email-quic_kriskura@quicinc.com>

On Tue, May 24, 2022 at 03:43:45PM +0530, Krishna Kurapati wrote:
> From: Sandeep Maheswaram <quic_c_sanm@quicinc.com>
> 
> Check wakeup-source property for dwc3 core node to set the
> wakeup capability. Drop the device_init_wakeup call from
> runtime suspend and resume.
> 
> If the dwc3 is wakeup capable, don't power down the USB PHY(s).
> The glue drivers are expected to take care of configuring the
> additional wakeup settings if needed based on the dwc3 wakeup
> capability status. In some SOC designs, powering off the PHY is
> resulting in higher leakage, so this patch save power on such boards.
> 
> Signed-off-by: Sandeep Maheswaram <quic_c_sanm@quicinc.com>
> Signed-off-by: Krishna Kurapati <quic_kriskura@quicinc.com>

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

  parent reply	other threads:[~2022-05-24 22:12 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-24 10:13 [PATCH v17 0/5] USB DWC3 host wake up support from system suspend Krishna Kurapati
2022-05-24 10:13 ` [PATCH v17 1/5] dt-bindings: usb: dwc3: Add wakeup-source property support Krishna Kurapati
2022-05-24 10:34   ` Pavan Kondeti
2022-05-24 10:13 ` [PATCH v17 2/5] usb: dwc3: core: Host wake up support from system suspend Krishna Kurapati
2022-05-24 10:33   ` Pavan Kondeti
2022-05-24 22:12   ` Matthias Kaehlcke [this message]
2022-05-24 10:13 ` [PATCH v17 3/5] usb: dwc3: qcom: Add helper functions to enable,disable wake irqs Krishna Kurapati
2022-05-24 10:32   ` Pavan Kondeti
2022-05-24 10:13 ` [PATCH v17 4/5] usb: dwc3: qcom: Configure wakeup interrupts during suspend Krishna Kurapati
2022-05-24 10:31   ` Pavan Kondeti
2022-05-24 22:10   ` Matthias Kaehlcke
2022-05-24 10:13 ` [PATCH v17 5/5] usb: dwc3: qcom: Keep power domain on to retain controller status Krishna Kurapati
2022-05-24 10:26   ` Pavan Kondeti

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