From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Tue, 9 Sep 2014 08:44:11 +0000 (+0200)
Subject: usb: dwc2/gadget: do not call disconnect method in pullup
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b510df5a36c066da3a188f4ade3404118b63c6de;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

usb: dwc2/gadget: do not call disconnect method in pullup

This leads to potential spinlock recursion in composite framework, other
udc drivers also don't call it directly from pullup method.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Cc: stable <stable@vger.kernel.org> # 3.16
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index a451eef48c9d..474eae2e1692 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2942,7 +2942,6 @@ static int s3c_hsotg_pullup(struct usb_gadget *gadget, int is_on)
 		s3c_hsotg_phy_enable(hsotg);
 		s3c_hsotg_core_init(hsotg);
 	} else {
-		s3c_hsotg_disconnect(hsotg);
 		s3c_hsotg_phy_disable(hsotg);
 	}