From: Alan Stern <stern@rowland.harvard.edu>
Date: Fri, 11 Oct 2013 15:28:21 +0000 (-0400)
Subject: USB: EHCI: compute full-speed bandwidth usage correctly
X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~66^2~74
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b90f01b219e390e1f1bf68dd7a2333efb3e3eff;p=pandora-kernel.git

USB: EHCI: compute full-speed bandwidth usage correctly

Although the bandwidth statistics maintained by ehci-hcd show up only
in the /sys/kernel/debug/usb/devices file, they ought to be calculated
correctly.  The calculation for full-speed isochronous endpoints is
wrong; it mistakenly yields bytes per microframe instead of bytes per
frame.  The "interval" value, which is in frames, should not be
converted to microframes.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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