linux-kernel - Re: USB remote wakeup through gpio interrupt

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Message-ID: <CAOAoqGu4exeZP2wgEWpRyD7+4RVRbB=vOe4Hc+rK3CVVigCWvg@mail.gmail.com>
Date:	Thu, 6 Mar 2014 14:53:37 +0530
From:	Jagdish Gedia <jvgediya@...il.com>
To:	Peter Chen <Peter.Chen@...escale.com>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: USB remote wakeup through gpio interrupt

Hi Alan,

As you have told, i have executed pm_request_resume() function from my
interrupt handler, and it is waking up my USB device. I have
implemented all this functionality in class driver(cdc-acm.c).
but what is happening is after 2-3 times, ausosuspend is getting
disable for my device. I want autosuspend to be enabled for usb device
forever. Do pm_request_resume function causes this behavior?

Thanks,
Jagdish Gediya
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