linux-kernel - Re: Check if usb device is suspended

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Message-ID: <1394715959.21617.19.camel@linux-fkkt.site>
Date:	Thu, 13 Mar 2014 14:05:59 +0100
From:	Oliver Neukum <oneukum@...e.de>
To:	Jagdish Gedia <jvgediya@...il.com>
Cc:	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Check if usb device is suspended

On Thu, 2014-03-13 at 17:13 +0530, Jagdish Gedia wrote:
> Hi,
> I want to check in my driver if usb device is suspended or not?
> currently i am doing it like
> 
> if(udev->state==USB_STATE_SUSPENDED)
> 
> Is this the proper way? Is this enough?

This question is near meaningless. Assuming that you
don't check for fun, but want to act on the state,
the meaningful question would be how you know that
a device is still suspended (or not) while you perform
the actions you base on that information.

	Regards
		Oliver


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