Re: [2.6 patch] FW_LOADER should select HOTPLUG

From: Adrian Bunk
Date: Sun Dec 03 2006 - 03:16:02 EST


On Sun, Dec 03, 2006 at 12:58:24AM -0800, Andrew Morton wrote:
> On Sun, 3 Dec 2006 08:16:37 +0100
> Adrian Bunk <bunk@xxxxxxxxx> wrote:
>
> > Since FW_LOADER is an option that is always select'ed by the code using
> > it, it mustn't depend on HOTPLUG.
> >
> > It's only relevant in the EMBEDDED=y case, but this might have resulted
> > in illegal FW_LOADER=, HOTPLUG=n configurations.
> >
> > Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>
> >
> > --- linux-2.6.19-rc6-mm2/drivers/base/Kconfig.old 2006-12-02 20:36:49.000000000 +0100
> > +++ linux-2.6.19-rc6-mm2/drivers/base/Kconfig 2006-12-02 20:37:03.000000000 +0100
> > @@ -19,8 +19,8 @@
> > If unsure say Y here.
> >
> > config FW_LOADER
> > - tristate "Userspace firmware loading support"
> > - depends on HOTPLUG
> > + tristate
> > + select HOTPLUG
>
> It would be a retrograde step to start selecting HOTPLUG - we've managed to
> avoid it thus far.

$ grep -r "select HOTPLUG" * | wc -l
4
$

> It'd be better to make those drivers which select FW_LOADER dependent upon
> HOTPLUG.

$ grep -r "select FW_LOADER" * | wc -l
71
$

And since the only case where depends<->select makes a difference is
CONFIG_EMBEDDED=y, people will always continue to forget the dependency
on HOTPLUG when select'ing FW_LOADER.

cu
Adrian

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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