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Commit 62ddbe2d authored Aug 28, 2015 by Hemant Kumar

dwc3-msm: Add support to disable device mode PM runtime



High speed phy suspend is not supported on emulation target.
Hence add support to keep PM runtime disabled which prevents
phy to enter low power mode.

Change-Id: Iaa21ece3a58d4da6b03699bd068d01f2fba85343
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>

parent 5fade566

Documentation/devicetree/bindings/usb/msm-ssusb.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -47,6 +47,7 @@ Optional properties :
		- qcom,vbus-present: Indicates that there is no VBUS indication from PMIC. Assume VBUS is
		present if this property is defined.
		- qcom,ext-hub-reset-gpio: This corresponds to gpio which is used for HUB reset.
		- qcom,disable-dev-mode-pm: If present, it disables PM runtime functionality for device mode.
		Sub nodes:
		- Sub node for "DWC3- USB3 controller".
		This sub node is required property for device node. The properties of this subnode

drivers/usb/dwc3/dwc3-msm.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2463,6 +2463,9 @@ static int dwc3_msm_probe(struct platform_device *pdev)
		device_init_wakeup(mdwc->dev, 1);
		pm_stay_awake(mdwc->dev);

		if (of_property_read_bool(node, "qcom,disable-dev-mode-pm"))
		pm_runtime_get_noresume(mdwc->dev);

		schedule_delayed_work(&mdwc->sm_work, 0);

		/* Update initial ID state */