linux-kernel - Re: usbhid driver: replacing resume or using a post resume function

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Message-ID: <75047b2add1f00d12eeb359b9645bd90.squirrel@intranet.cs.nmsu.edu>
Date:	Wed, 27 Jan 2010 08:41:15 -0700
From:	"Rick L. Vinyard, Jr." <rvinyard@...nmsu.edu>
To:	"Oliver Neukum" <oliver@...kum.org>
Cc:	"Jiri Kosina" <jkosina@...e.cz>,
	"Linux" <linux-kernel@...r.kernel.org>,
	"Linux USB" <linux-usb@...r.kernel.org>
Subject: Re: usbhid driver: replacing resume or using a post resume function

Oliver Neukum wrote:
> Am Mittwoch, 27. Januar 2010 15:57:48 schrieb Rick L. Vinyard, Jr.:
>> I think the most common case would be for something like the G13 to
>> re-establish settings, which from the few devices I'm familiar with
>> would
>> need to restart the hid subsystem first and then re-establish through
>> feature reports, et. al. after the hid_resume().
>>
>> Also, that means that usbhid's hid_resume() doesn't need to be exposed
>> in
>> the API, or even need to be usb specific.
>
> If you do do this please document that you may use only GFP_NOIO
> and GFP_ATOMIC in that context.
>
> 	Regards
> 		Oliver
>

Will do.

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