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Commit 87ed8041 authored by Hemant Kumar's avatar Hemant Kumar Committed by Mayank Rana
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usb: phy: qusb2: Enable phy auto-resume 



phy auto-resume allows phy to automatically drive
bus resume right after device driving bus resume for
at least 1ms due to remote wake up, before host XHCI
driver gets a chance to drive bus resume.

Change-Id: I6ea326b0864f46dd5e438f050950b8ee721726e5
Signed-off-by: default avatarHemant Kumar <hemantk@codeaurora.org>
parent f4da1dc3

drivers/usb/phy/phy-msm-qusb-v2.c

+9 −0
Original line number Diff line number Diff line
@@ -48,6 +48,7 @@ 
#define DPSE_INTERRUPT			BIT(0)



#define QUSB2PHY_PORT_TUNE1		0x23c

#define QUSB2PHY_TEST1			0x24C



#define QUSB2PHY_1P8_VOL_MIN           1800000 /* uV */

#define QUSB2PHY_1P8_VOL_MAX           1800000 /* uV */
@@ -536,6 +537,14 @@ static int qusb_phy_set_suspend(struct usb_phy *phy, int suspend) 
			writel_relaxed(intr_mask,

				qphy->base + QUSB2PHY_INTR_CTRL);



			/* enable phy auto-resume */

			writel_relaxed(0x91,

					qphy->base + QUSB2PHY_TEST1);

			/* flush the previous write before next write */

			wmb();

			writel_relaxed(0x90,

				qphy->base + QUSB2PHY_TEST1);



			dev_dbg(phy->dev, "%s: intr_mask = %x\n",

			__func__, intr_mask);