From: Matthew Garrett <mjg@redhat.com>
Date: Fri, 11 May 2012 08:08:28 +0000 (+0800)
Subject: usb: Set device removable state based on ACPI USB data
X-Git-Tag: v3.5-rc1~149^2~60
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=54d3f8c63d6940966217b807972778fb17c3fa82;p=pandora-kernel.git

usb: Set device removable state based on ACPI USB data

ACPI offers two methods that allow us to infer whether or not a USB port
is removable. The _PLD method gives us information on whether the port is
"user visible" or not. If that's not present then we can fall back to the
_UPC method which tells us whether or not a port is connectable.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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