linux-kernel - [PATCH] USB: pxa27x_udc: use four bits to store endpoint addresses

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Message-Id: <1270154532-12980-1-git-send-email-mreimer@sdgsystems.com>
Date:	Thu,  1 Apr 2010 13:42:12 -0700
From:	Matt Reimer <mreimer@...systems.com>
To:	linux-kernel@...r.kernel.org
Cc:	Matt Reimer <mreimer@...systems.com>
Subject: [PATCH] USB: pxa27x_udc: use four bits to store endpoint addresses

Endpoint addresses on pxa27x can be programmed as 1-15, but since
only three bits were being used to store the endpoint number it
was possible to overflow.

Signed-off-by: Matt Reimer <mreimer@...systems.com>
---
 drivers/usb/gadget/pxa27x_udc.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/gadget/pxa27x_udc.h b/drivers/usb/gadget/pxa27x_udc.h
index ff61e48..cd16231 100644
--- a/drivers/usb/gadget/pxa27x_udc.h
+++ b/drivers/usb/gadget/pxa27x_udc.h
@@ -360,7 +360,7 @@ struct pxa_ep {
 	 * Specific pxa endpoint data, needed for hardware initialization
 	 */
 	unsigned		dir_in:1;
-	unsigned		addr:3;
+	unsigned		addr:4;
 	unsigned		config:2;
 	unsigned		interface:3;
 	unsigned		alternate:3;
-- 
1.6.3.3

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