linux-kernel - Re: [v4l-dvb-maintainer] Options depending on STANDALONE

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Message-ID: <20060805105122.GT25692@stusta.de>
Date:	Sat, 5 Aug 2006 12:51:22 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Trent Piepho <xyzzy@...akeasy.org>
Cc:	Dave Jones <davej@...hat.com>, Greg KH <greg@...ah.com>,
	Zachary Amsden <zach@...are.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...l.org>,
	Andrew Morton <akpm@...l.org>,
	Christoph Hellwig <hch@...radead.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Jack Lo <jlo@...are.com>, v4l-dvb-maintainer@...uxtv.org,
	linux-acpi@...r.kernel.org
Subject: Re: [v4l-dvb-maintainer] Options depending on STANDALONE

On Thu, Aug 03, 2006 at 04:40:25PM -0700, Trent Piepho wrote:
> On Thu, 3 Aug 2006, Adrian Bunk wrote:
> > On Thu, Aug 03, 2006 at 03:56:17PM -0400, Dave Jones wrote:
> > > You're describing PREVENT_FIRMWARE_BUILD.  The text Zach quoted is from
> > > STANDALONE, which is something else completely.  That allows us to not
> > > build drivers that pull in things from /etc and the like during compile.
> > > (Whoever thought that was a good idea?)
> >
> >
> > Is DVB_AV7110_FIRMWARE really still required?
> > ALL other drivers work without such an option.
> 
> The other DVB drivers that need firmware load it when the device is opened
> or used (ie.  a channel is tuned).  At least for the ones I'm familiar
> with.  If they are compiled directly into the kernel, they can still use
> FW_LOADER since the loading won't happen until utill well after booting is
> done.
> 
> For AV7110, it looks like the firmware loading is done when the driver is
> first initialized.  If AV7110 is compiled into the kernel, FW_LOADER can
> not be used.  The filesystem with the firmware won't be mounted yet.
> 
> So AV7110 has an option to compile a firmware file into the driver.

But is there a technical reason why this has to be done this way?

This is the onle (non-OSS) driver doing it this way, and Zach has a 
point that this is legally questionable.

cu
Adrian

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