linux-kernel - [PATCH v2 08/12] usb: dwc2/gadget: do not call disconnect method in pullup

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Message-id: <1405506150-16185-9-git-send-email-r.baldyga@samsung.com>
Date:	Wed, 16 Jul 2014 12:22:26 +0200
From:	Robert Baldyga <r.baldyga@...sung.com>
To:	balbi@...com
Cc:	paulz@...opsys.com, gregkh@...uxfoundation.org,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	m.szyprowski@...sung.com, andrzej.p@...sung.com,
	Robert Baldyga <r.baldyga@...sung.com>
Subject: [PATCH v2 08/12] usb: dwc2/gadget: do not call disconnect method in
 pullup

From: Marek Szyprowski <m.szyprowski@...sung.com>

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@...sung.com>
Signed-off-by: Robert Baldyga <r.baldyga@...sung.com>
---
 drivers/usb/dwc2/gadget.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 2220882..def4900 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2945,7 +2945,6 @@ 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);
 	}
 
-- 
1.9.1

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