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(parent: 62b1aa9) | patch
USB: EHCI: EHCI 1.1 addendum: Enable Per-port change detect bits
authorAlek Du <alek.du@intel.com>
Fri, 4 Jun 2010 07:47:56 +0000 (15:47 +0800)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 10 Aug 2010 21:35:35 +0000 (14:35 -0700)
commitae55272d9a78f30ad0cf0faed1bed8b1aeb87830
tree67aad1a4e795b2b26e4e320305accba16c4d201etree | snapshot
parent62b1aa9b488be5cb6f6d80a60112d20805b43e5dcommit | diff
USB: EHCI: EHCI 1.1 addendum: Enable Per-port change detect bits

This patch will enable Per-port event feature defined in EHCI 1.1
addendum. This feature addresses an issue where HCD is currently
required to read and parse PORTSC for all enabled root hub ports. With
this patch, the overhead will be reduced.

Signed-off-by: Alek Du <alek.du@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/host/ehci-hcd.c diff | blob | history
drivers/usb/host/ehci-hub.c diff | blob | history
drivers/usb/host/ehci.h diff | blob | history
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