linux-kernel - [PATCH] [32/50] usb: musb: restore INDEX register in resume path

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20110728234436.D86D92403FF@tassilo.jf.intel.com>
Date:	Thu, 28 Jul 2011 16:44:36 -0700 (PDT)
From:	Andi Kleen <andi@...stfloor.org>
To:	ajay.gupta@...com, gadiyar@...com, balbi@...com,
	ak@...ux.intel.com, linux-kernel@...r.kernel.org,
	stable@...nel.org, tim.bird@...sony.com
Subject: [PATCH] [32/50] usb: musb: restore INDEX register in resume path

2.6.35-longterm review patch.  If anyone has any objections, please let me know.

------------------
From: Ajay Kumar Gupta <ajay.gupta@...com>

[ upstream commit 3c5fec75e121b21a2eb35e5a6b44291509abba6f ]

Restoring the missing INDEX register value in musb_restore_context().
Without this suspend resume functionality is broken with offmode
enabled.

Cc: stable@...nel.org
Acked-by: Anand Gadiyar <gadiyar@...com>
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@...com>
Signed-off-by: Felipe Balbi <balbi@...com>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>

Index: linux-2.6.35.y/drivers/usb/musb/musb_core.c
===================================================================
--- linux-2.6.35.y.orig/drivers/usb/musb/musb_core.c
+++ linux-2.6.35.y/drivers/usb/musb/musb_core.c
@@ -1697,6 +1697,7 @@ void musb_dma_completion(struct musb *mu
 			}
 		}
 	}
+	musb_writeb(musb_base, MUSB_INDEX, musb->context.index);
 }
 
 #else
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/