Date: Sat, 14 Nov 2009 10:29:19 -0800
From: Arjan van de Ven <arjan@infradead.org>
To: Robert Hancock <hancockrwd@gmail.com>
Cc: venu <vjosyula@gmail.com>, Roland Dreier <rdreier@cisco.com>,
       Philip Downer <phil@csldevices.co.uk>, linux-kernel@vger.kernel.org
Subject: Re: firmware loading interface
Message-ID: <20091114102919.54606831@infradead.org>
In-Reply-To: <51f3faa70911141019y1248fb27k5f7edb3729f72375@mail.gmail.com>
References: <4AFD971C.3090204@csldevices.co.uk>
	<4AFD9BAF.1010200@csldevices.co.uk>
	<aday6mac5ai.fsf@roland-alpha.cisco.com>
	<4AFED614.1050109@gmail.com>
	<53ea87da0911140855u7993989aod746bcaf18ee4c31@mail.gmail.com>
	<51f3faa70911141019y1248fb27k5f7edb3729f72375@mail.gmail.com>
Organization: Intel
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On Sat, 14 Nov 2009 12:19:13 -0600
Robert Hancock <hancockrwd@gmail.com> wrote:

> On Sat, Nov 14, 2009 at 10:55 AM, venu <vjosyula@gmail.com> wrote:
> >  who triggers this upgrade from userspace ? I understand it is a
> > naivee / beginers questions but i hope somebody explains me how ?
> 
> The request_firmware interface probably isn't suitable for that..
> using an ioctl or read/write-based interface, possibly on a separate
> device node, would likely be the way to go..
> 

it's not unusual to have a sysfs attribute that, when written to, will
just do a request_firmware().
It's not pretty, but it's cleaner than the alternatives....


-- 
Arjan van de Ven 	Intel Open Source Technology Centre
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