* Felipe Contreras <felipe.contreras@xxxxxxxxx> [101019 13:43]:
> On Tue, Oct 19, 2010 at 6:05 PM, Felipe Balbi <me@xxxxxxxxxxxxxxx> wrote:
> > On Tue, 19 Oct 2010 17:32:07 +0300, Felipe Contreras
> > <felipe.contreras@xxxxxxxxx> wrote:
> >> There are two parts, one part is to fix the Kconfigs, and another was
> >> to come up with a way to replace the horrible defconfigs. Part two is
> >> mostly fixed thanks to 'make savedefconfig', since the defconfigs are
> >> not so horrible any more, but part one is a continued effort.
> >>
> >> For part two Linus had the idea to use Kconfigs instead of defconfigs,
> >> but they would mostly look very similar to the current ones generated
> >> by 'make savedefconfig'.
> >>
> >> I don't know what makes you think Linus didn't want part one to be
> >> done. He wanted the Kconfig.rx51 to be human readable, and you are
> >> proposing that TWL4030_USB should be manually added there... I don't
> >> think TWL4030_USB says anything to human beings.
> >
> > I don't read anywhere Linus saying we should clutter drivers/*/Kconfig
> > with defaults. I think you're inverting things, it's much better
> > to select TWL4030_USB when you enable MACH_OMAP_RX51 then default y
> > if MACH_OMAP_RX51.
>
> So say, if you have 100 board defconfigs with OMAP3 chips and TWL4030,
> each and every one of them should select both USB_MUSB_HDRC and
> TWL4030_USB?
>
> And you are saying if somebody is doing 'make menuconfig', that person
> should somehow know that _obviously_ he needs TWL4030_USB in order to
> use USB_MUSB_HDRC, or USB_G_NOKIA?
Hey we're already dealing with stuff like this :)
See ARCH_OMAP2PLUS_TYPICAL in arch/arm/mach-omap2/Kconfig:
config ARCH_OMAP2PLUS_TYPICAL
bool "Typical OMAP configuration"
default y
select AEABI
select REGULATOR
select PM
select PM_RUNTIME
select VFP
select NEON if ARCH_OMAP3 || ARCH_OMAP4
select SERIAL_OMAP
select SERIAL_OMAP_CONSOLE
select I2C
select I2C_OMAP
select MFD
select MENELAUS if ARCH_OMAP2
select TWL4030_CORE if ARCH_OMAP3 || ARCH_OMAP4
select TWL4030_POWER if ARCH_OMAP3 || ARCH_OMAP4
help
Compile a kernel suitable for booting most boards
This actually produces a booting omap2+ kernel with no .config
at all. I've tested it with:
$ echo CONFIG_ARCH_OMAP=y > .config
$ yes "" | ARCH=arm make oldconfig
So if you have something that's needed on almost every omap,
you can select it there.
Regards,
Tony
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