From: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Date: Thu, 12 Jan 2012 02:27:09 +0000 (+0900)
Subject: usb: gadget: pch_udc: Reduce redundant interrupt
X-Git-Tag: v3.2.16~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a37cedb6af59431f72c9dc5fabc95d0716fd097f;p=pandora-kernel.git

usb: gadget: pch_udc: Reduce redundant interrupt

commit 833310402c54ad9b676b465fc53ad276b13d36be upstream.

ISSUE:
USB Suspend interrupts occur frequently.

CAUSE:
When it is called pch_udc_reconnect() in USB Suspend, it repeats reset and
Suspend.

SOLUTION:
pch_udc_reconnect() does not enable all interrupts.  When an enumeration event
occurred the driver enables all interrupts.

Signed-off-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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