linux-kernel - Re: [PATCH] linux-firmware: add MISSING file

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Date:	Mon, 14 Jan 2013 17:55:33 -0500
From:	Pavel Roskin <proski@....org>
To:	richard -rw- weinberger <richard.weinberger@...il.com>
Cc:	Xose Vazquez Perez <xose.vazquez@...il.com>,
	Daniel Drake <dsd@...top.org>,
	Ulrich Kunitz <kune@...ne-taler.de>,
	David Woodhouse <dwmw2@...radead.org>,
	Ben Hutchings <ben@...adent.org.uk>,
	linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] linux-firmware: add MISSING file

On Sun, 13 Jan 2013 00:09:46 +0100
richard -rw- weinberger <richard.weinberger@...il.com> wrote:

> > +This file attempts to document the reason why a firmware is not
> > present +in this bundle.
> 
> From the user's point of view this not really helpful.
> Wouldn't a in-kernel table of known but missing firmware files make
> more sense? The kernel could write a log like "Yeah, I know this
> firmware but sadly I don't have it because of ..."

The firmware file may be absent on the system even if it's in the
linux-firmware tree.  Conversely, the firmware may be present on the
system but not in the linux-firmware tree.

The kernel doesn't know whether the firmware is missing due to
licensing issues or due to misconfiguration.  The kernel cannot know
that.  And I don't think the kernel should include as much information
as the MISSING file would include.

-- 
Regards,
Pavel Roskin
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