From: Peter Chen <peter.chen@freescale.com>
Date: Mon, 4 Mar 2013 09:19:20 +0000 (+0800)
Subject: ENGR00251209-4 msl-mx6: usb: Fix system hang when unload gadget module
X-Git-Tag: v3.0.35-fsl~101
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=52011003871b4f8dd4ce79ab18804ad34e779f15;p=karo-tx-linux.git

ENGR00251209-4 msl-mx6: usb: Fix system hang when unload gadget module

At gadget module remove function, it closes the clock, but
at platform code, it still visits register. In fact,
The PHY has already been low power mode when driver's remove
before platform code is called.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
---

diff --git a/arch/arm/mach-mx6/usb_dr.c b/arch/arm/mach-mx6/usb_dr.c
index efae4aef6d23..372253e37268 100644
--- a/arch/arm/mach-mx6/usb_dr.c
+++ b/arch/arm/mach-mx6/usb_dr.c
@@ -163,9 +163,6 @@ static void usbotg_uninit_ext(struct platform_device *pdev)
 {
 	otg_used--;
 	if (!otg_used) {
-		enter_phy_lowpower_suspend(pdev->dev.platform_data, true);
-		mdelay(3);
-
 		clk_disable(usb_phy1_clk);
 		clk_put(usb_phy1_clk);