From: Johan Hovold <jhovold@gmail.com>
Date: Sun, 6 Nov 2011 18:06:37 +0000 (+0100)
Subject: USB: serial: add support for multiple read urbs
X-Git-Tag: v3.3-rc1~153^2~70
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d83b405383c965498923f3561c3321e2b5df5727;p=pandora-kernel.git

USB: serial: add support for multiple read urbs

Add support for multiple read urbs to generic read implementation.

Use a static array of two read urbs for now which is enough to get a
50% throughput increase in one test setup.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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