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(parent: 48f2497) | 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)
commit5a9cdf332eae724b11906cb1712e3a662eba32b2
tree67aad1a4e795b2b26e4e320305accba16c4d201etree | snapshot (tar.gz zip)
parent48f24970144479c29b8cee6d2e1dbedf6dcf9cfbcommit | 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 | blame | history
drivers/usb/host/ehci-hub.c diff | blob | blame | history
drivers/usb/host/ehci.h diff | blob | blame | history