linux-kernel - Re: [GIT *] Allow request_firmware() to be satisfied from in-kernel, use it in more drivers.

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Message-Id: <1216132854.27455.247.camel@shinybook.infradead.org>
Date:	Tue, 15 Jul 2008 07:40:54 -0700
From:	David Woodhouse <dwmw2@...radead.org>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	david@...g.hm, Arjan van de Ven <arjan@...radead.org>,
	David Miller <davem@...emloft.net>,
	torvalds@...ux-foundation.org, rene.herman@...access.nl,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	linux-kernel@...r.kernel.org
Subject: Re: [GIT *] Allow request_firmware() to be satisfied
	from	in-kernel, use it in more drivers.

On Tue, 2008-07-15 at 08:23 +0200, Oliver Neukum wrote:
> Am Dienstag 15 Juli 2008 08:03:15 schrieb David Woodhouse:
> > Mostly it follows the documented recommendation, since most of the
> > touched drivers are USB drivers and you end up re-enumerating and
> > starting from scratch on resume anyway. And the remainder are so old
> > that they don't have suspend/resume support anyway. Remember, we're only
> > really updating the older drivers; newer drivers tend to use
> > request_firmware() already, and have done for years.
> 
> As for USB that was before persistance. It now allows you to even
> support a loss of power without reprobing, provided
> 
> a) the devices does not change IDs
> b) you have firmware around when reset_resume() is called

c) the driver in question actually _has_ a reset_resume() method

The old, unloved drivers which I've touched as part of this patch set
did not. In general the newer, loved drivers use request_firmware()
already.

-- 
dwmw2

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