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Commit 96c54d6d authored by Amir Samuelov's avatar Amir Samuelov
Browse files

usb: phy: hsusb: Fix usb suspend/resume for mdm9635 



When PLLBTUNE is used, upon usb resume the FSEL (clock reference selection)
should be zero, same as on msm_hsphy_init().

Change-Id: I8ff9c999a43c20d60211292d6bae2e0ddbe64c71
Signed-off-by: default avatarAmir Samuelov <amirs@codeaurora.org>
parent 51f18552

drivers/usb/phy/phy-msm-hsusb.c

+10 −3
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.

 * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -376,10 +376,17 @@ static int msm_hsphy_set_suspend(struct usb_phy *uphy, int suspend) 
				msm_hsusb_ldo_enable(phy, 1);

		}



		if (phy->core_ver >= MSM_CORE_VER_120)

		if (phy->core_ver >= MSM_CORE_VER_120) {

			if (phy->set_pllbtune) {

				msm_usb_write_readback(phy->base,

						HS_PHY_CTRL_COMMON_REG,

						FSEL_MASK, 0);

			} else {

				msm_usb_write_readback(phy->base,

						HS_PHY_CTRL_COMMON_REG,

						FSEL_MASK, FSEL_DEFAULT);

			}

		}



		if (!phy->ext_vbus_id)

			/* Disable HV interrupts */