linux-kernel - [PATCH] usb bulk transfer: 1024 byte packets

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Message-Id: <200704131256.47570.jeremy@jeremya.com>
Date:	Fri, 13 Apr 2007 12:56:47 -0400
From:	"Jeremy C. Andrus" <jeremy@...emya.com>
To:	linux-kernel@...r.kernel.org
Subject: [PATCH] usb bulk transfer: 1024 byte packets

Hello,

I recently ran into a couple of USB devices which insisted on using 1024 
byte packets in bulk transfer mode (despite the hard limit of 512 
established in the spec). I really wanted to use these devices, so I 
created a kernel patch which allows the use of 1024 byte URBs, but does 
not interfere with normal (512 byte) operation. I did this through a 
bit in the transfer_flags bitfield. 

I found this patch useful and un-obtrusive, so I figured that I would 
post it here to see if anyone else thinks it interesting enough to 
patch in. 

I am not subscribed to the list, and would appreciate a personal CC on 
reply :-).

	-Jeremy

-- 
-----------------------
Jeremy C. Andrus
http://www.jeremya.com/
-----------------------

View attachment "linux-2.6.20.6-usb_1024byte_packets.patch" of type "text/x-diff" (3532 bytes)