[U-Boot] [PATCH 5/5] autoboot: add CONFIG_AUTOBOOT to allow to not compile autoboot.c

[Tom Rini]

On Sat, Jun 11, 2016 at 12:38:25AM +0200, Soeren Moch wrote:
> 
> 
> On 11.06.2016 00:19, Tom Rini wrote:
> > On Fri, Jun 10, 2016 at 11:55:40PM +0200, Soeren Moch wrote:
> >> 
> >> 
> >> On 10.06.2016 17:20, Masahiro Yamada wrote:
> >>> Another mistake of commit bb597c0eeb7e ("common: bootdelay:
> >>> move CONFIG_BOOTDELAY into a Kconfig option") is that
> >>> CONFIG_BOOTDELAY is now defined for all the boards.
> >>> 
> >>> Before that commit, it is allowed to unset CONFIG_BOOTDELAY to
> >>> not compile common/autoboot.c
> >>> 
> >>> This is apparent from the code in common/Makefile:
> >>> 
> >>> # This option is not just y/n - it can have a numeric value 
> >>> ifdef CONFIG_BOOTDELAY obj-y += autoboot.o endif
> >>> 
> >>> (and from the #ifdef in the include/autoconf.h, too.) It was a
> >>> bit odd to enable/disable code with an integer type option, but
> >>> anyway it was how this option worked before that commit. 
> >>> Actually several boards unset it to opt out of the autoboot
> >>> feature.
> >>> 
> >>> This commit adds a bool option, CONFIG_AUTOBOOT, and have the 
> >>> CONFIG_BOOTDELAY to depend on it.
> >>> 
> >>> I chose "default y" for this option because most of boards
> >>> enable the autoboot.  I added "# CONFIG_AUTOBOOT is not set"
> >>> for the boards that did not set CONFIG_BOOTDELAY prior to the
> >>> bad commit.
> >>> 
> >>> Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com> 
> >>> ---
> >> 
> >> [...]
> >> 
> >>> diff --git a/configs/tbs2910_defconfig
> >>> b/configs/tbs2910_defconfig index dc69b39..5d0de21 100644 ---
> >>> a/configs/tbs2910_defconfig +++ b/configs/tbs2910_defconfig @@
> >>> -4,6 +4,7 @@ CONFIG_TARGET_TBS2910=y CONFIG_FIT=y 
> >>> CONFIG_HUSH_PARSER=y CONFIG_SYS_PROMPT="Matrix U-Boot> " +#
> >>> CONFIG_AUTOBOOT is not set CONFIG_CMD_BOOTZ=y # CONFIG_CMD_IMLS
> >>> is not set CONFIG_CMD_MEMTEST=y
> >> 
> >> "+# CONFIG_AUTOBOOT is not set" seems to be wrong for tbs2910. 
> >> Before this move to Kconfig we had "#define CONFIG_BOOTDELAY
> >> 3" via include/configs/mx6_common.h for tbs2910 and for a lot of
> >> other imx6 boards.
> >> 
> >> So the right fix would be to readd 3 seconds bootdelay here.
> > 
> > Please check the v2 I posted that updated defconfigs/ again.
> > 
> 
> Do you refer to "[U-Boot,v2] configs: Fixup afet BOOTDELAY migration"?
> I also don't see any bootdelay setting for tbs2910 there.
> 
> Do I miss some default setting or some other patch in this
> CONFIG_BOOTDELAY series?

Nope, so there's still a problem.  Boards that are doing #include
"mx6_common.h" only are not being updated.  All of the mx6 stuff that
was updated was also getting config_distro_defaults.h.  I'll poke more,
thanks for noticing!

-- 
Tom
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