From: Peter Chen <peter.chen@freescale.com>
Date: Thu, 5 Dec 2013 07:20:50 +0000 (+0800)
Subject: usb: chipidea: fix nobody cared IRQ when booting with host role
X-Git-Tag: v3.13-rc5~24^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5a1e1456fc633da5291285b1fff75d2a7507375b;p=pandora-kernel.git

usb: chipidea: fix nobody cared IRQ when booting with host role

If we connect Male-A-To-Male-A cable between otg-host and host pc,
the ci->vbus_active is set wrongly, and cause the controller run
at peripheral mode when we load gadget module (ci_udc_start will be run),
but the software runs at host mode due to id = 0. The ehci_irq
can't handle suspend (USBi_SLI) interrupt which is enabled for
peripheral mode, it causes no one will handle irq error.

This patch is needed for 3.12 stable

Cc: stable <stable@vger.kernel.org>
Acked-by: Michael Grzeschik <mgr@pengutronix.de>
Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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