linux-kernel - Re: [RFC v1] tree-wide: remove "select FW

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Message-ID: <1432581417.27695.190.camel@x220>
Date:	Mon, 25 May 2015 21:16:57 +0200
From:	Paul Bolle <pebolle@...cali.nl>
To:	Josh Triplett <josh@...htriplett.org>
Cc:	"Luis R. Rodriguez" <mcgrof@...e.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Takashi Iwai <tiwai@...e.de>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Borislav Petkov <bp@...en8.de>,
	Greg KH <gregkh@...uxfoundation.org>,
	"David S. Miller" <davem@...emloft.net>, clemens@...isch.de,
	JBottomley@...n.com, David Airlie <airlied@...ux.ie>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Marcel Holtmann <marcel@...tmann.org>,
	"Gustavo F. Padovan" <gustavo@...ovan.org>,
	Johan Hedberg <johan.hedberg@...il.com>,
	Mikael Starvik <starvik@...s.com>,
	Jesper Nilsson <jesper.nilsson@...s.com>,
	Imre Kaloz <kaloz@...nwrt.org>, khalasa@...p.pl,
	Ohad Ben-Cohen <ohad@...ery.com>,
	Arnd Bergmann <arnd@...db.de>, 3chas3@...il.com,
	Jiri Slaby <jslaby@...e.cz>, Bryan Wu <cooloney@...il.com>,
	Richard Purdie <rpurdie@...ys.net>,
	Jacek Anaszewski <j.anaszewski@...sung.com>,
	mcgrof@...not-panic.com,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC v1] tree-wide: remove "select FW_LOADER" uses

On Mon, 2015-05-25 at 12:06 -0700, Josh Triplett wrote:
> On Mon, May 25, 2015 at 08:25:35PM +0200, Paul Bolle wrote:
> > On Mon, 2015-05-25 at 10:54 -0700, Josh Triplett wrote:
> For clarity: "recursive dependency resolution" as in "recursive
> resolution of dependencies", not "resolution of recursive dependencies".

I feel a headache coming up.

> For an initial solution, I'd suggest just recursing through "select"
> dependencies; if C has "select B", and B has "select A", enabling C
> should enable B and A.  Since you can't "select A || D", that seems
> straightforward enough.  You can "select A if X", but for that, just
> bail out if the value of the expression X is changed by any of the
> select statements.

Actually, kconfig already recurses through select statements. (I haven't
checked, but I'd expect it to handle the "select A if X" case correctly
while doing the recursive select dance.)

Thanks,


Paul Bolle

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