From: Ian Abbott <abbotti@mev.co.uk>
Date: Fri, 29 Jul 2005 19:16:41 +0000 (-0700)
Subject: [PATCH] USB: ftdi_sio: Update RTS and DTR simultaneously
X-Git-Tag: v2.6.13-rc5~82
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74ede0ff59fb18787213ed979641624a2f234821;p=pandora-kernel.git

[PATCH] USB: ftdi_sio: Update RTS and DTR simultaneously

ftdi_sio: Update RTS and DTR simultaneously, using a single control URB
instead of separate control URBs for RTS and DTR.  Reinhard Bergmann
observed time differences of up to 680 ms with his application on a
2.4.22 kernel when RTS and DTR were updated using separate control
URBs, which is unacceptable.

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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