[U-Boot] [PATCH v3 14/15] of: flip CONFIG_SPL_DISABLE_OF_CONTROL into CONFIG_SPL_OF_CONTROL

[Marek Vasut]

On Wednesday, August 12, 2015 at 01:38:23 AM, Masahiro Yamada wrote:
> Hi Marek,

Hi Masahiro!

> 2015-08-12 7:47 GMT+09:00 Marek Vasut <marex at denx.de>:
> > On Wednesday, August 12, 2015 at 12:31:54 AM, Masahiro Yamada wrote:
> > 
> > Hi!
> > 
> >> As we discussed a couple of times, negative CONFIG options make our
> >> life difficult; CONFIG_SYS_NO_FLASH, CONFIG_SYS_DCACHE_OFF, ...
> >> and here is another one.
> >> 
> >> Now, there are three boards enabling OF_CONTROL on SPL:
> >>  - socfpga_arria5_defconfig
> >>  - socfpga_cyclone5_defconfig
> >>  - socfpga_socrates_defconfig
> >> 
> >> This commit adds CONFIG_SPL_OF_CONTROL for them and deletes
> >> CONFIG_SPL_DISABLE_OF_CONTROL from the other boards to invert
> >> the logic.
> >> 
> >> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
> >> Reviewed-by: Tom Rini <trini at konsulko.com>
> >> Reviewed-by: Simon Glass <sjg at chromium.org>
> > 
> > Wouldn't it make more sense for the SOCFPGA stuff to simply select
> > CONFIG_OF_CONTROL and CONFIG_SPL_OF_CONTROL in
> > arch/arm/mach-socfpga/Kconfig by default instead of adding it into each
> > boards' config file ?
> 
> It will make sense if SOCFPGA only works with
> CONFIG_OF_CONTROL and CONFIG_SPL_OF_CONTROL enabled.

It does, non-DT and non-DM operation is prohibited and forbidden on SoCFPGA.
Thanks for confirming it's possible to enable those in Kconfig by default
instead. I can send a patch to convert the socfpga this way later :)

> It was not clear if they were forcible or not
> because CONFIG_OF_CONTROL was defined in the defconfig, so I am following
> it.

Yeah, all SoCFPGA boards use DT and DM support in both U-Boot and SPL.
It's really the state-of-the-art implementation :b

Best regards,
Marek Vasut