[U-Boot] [PATCH v2 4/5] autoboot: fix a bunch of misconversion of CONFIG_BOOTDELAY
Tom Rini
trini at konsulko.com
Sun Jun 19 16:10:09 CEST 2016
On Mon, Jun 13, 2016 at 10:17:20AM +0200, Maxime Ripard wrote:
> Hi,
>
> On Sat, Jun 11, 2016 at 01:31:29PM +0200, Hans de Goede wrote:
> > Hi,
> >
> > On 11-06-16 11:44, Masahiro Yamada wrote:
> > >Commit bb597c0eeb7e ("common: bootdelay: move CONFIG_BOOTDELAY into
> > >a Kconfig option") made a number of misconversion.
> > >
> > >[1] CONFIG_BOOTDELAY=-1 all gone
> > >[2] CONFIG_BOOTDELAY=1 all gone
> > >[3] CONFIG_BOOTDELAY=2 all gone
> > >[4] Conditionally defined CONFIG_BOOTDELAY all gone
> > >
> > >All of the misconverted boards now use the default value,
> > >CONFIG_BOOTDELAY=0, which came from the Kconfig entry.
> > >
> > >I am imagining some reasons for this.
> > >
> > >For [1], due to the bug of tools/scripts/define2mk.sed (now fixed),
> > > #define CONFIG_BOOTDELAY -1
> > >was converted to
> > > CONFIG_BOOTDELAY="-1"
> > >in the include/autoconf.mk, so the tools/moveconfig.py regarded it
> > >as a string type option, and failed to move it.
> > >
> > >For [2], as you see in the comment block in the define2mk.sed,
> > > #define CONFIG_BOOTDELAY 1
> > >is converted to
> > > CONFIG_BOOTDELAY=y
> > >in the include/autoconf.mk. This needs a special care because we do
> > >not know whether we are moving a bool option with value y or an
> > >integer option with value 1. A recently-sent patch fixes this issue.
> > >
> > >I do not understand the reason for [3].
> > >
> > >[4] is another case the current moveconfig cannot handle correctly.
> > >If the define is surrounded by #ifndef CONFIG_BOOTDELAY like follows,
> > >the default value from Kconfig entry beats the define in C header.
> > >
> > > #ifndef CONFIG_BOOTDELAY
> > > #define CONFIG_BOOTDELAY 3
> > > #endif
> > >
> > >Joe's patch can solve this issue.
> > >
> > >Anyway, I ran the newest moveconfig tool based on commit 3191d8408053
> > >(=immediately prior to the bad commit) to generate this patch.
> > >
> > >Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
> > >---
> > >
> > >Changes in v2:
> > > - Fix case [4]
> > >
> > > configs/A10-OLinuXino-Lime_defconfig | 1 +
> > > configs/A10s-OLinuXino-M_defconfig | 1 +
> > > configs/A13-OLinuXinoM_defconfig | 1 +
> > > configs/A13-OLinuXino_defconfig | 1 +
> > > configs/A20-OLinuXino-Lime2_defconfig | 1 +
> > > configs/A20-OLinuXino-Lime_defconfig | 1 +
> > > configs/A20-OLinuXino_MICRO_defconfig | 1 +
> > > configs/A20-Olimex-SOM-EVB_defconfig | 1 +
> > > configs/Ainol_AW1_defconfig | 1 +
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> > > configs/Auxtek-T003_defconfig | 1 +
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> > > configs/Bananapro_defconfig | 1 +
> > > configs/C29XPCIE_NAND_defconfig | 1 +
> > > configs/C29XPCIE_NOR_SECBOOT_defconfig | 1 +
> > > configs/C29XPCIE_SPIFLASH_SECBOOT_defconfig | 1 +
> > > configs/C29XPCIE_SPIFLASH_defconfig | 1 +
> > > configs/C29XPCIE_defconfig | 1 +
> > > configs/CHIP_defconfig | 1 +
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> > > configs/Empire_electronix_d709_defconfig | 1 +
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> > > configs/Itead_Ibox_A20_defconfig | 1 +
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> > > configs/seaboard_defconfig | 1 +
> > > configs/secomx6quq7_defconfig | 1 +
> > > configs/sh7763rdp_defconfig | 1 +
> > > configs/smdk5250_defconfig | 1 +
> > > configs/smdk5420_defconfig | 1 +
> > > configs/smdkv310_defconfig | 1 +
> > > configs/sniper_defconfig | 1 +
> > > configs/snow_defconfig | 1 +
> > > configs/socrates_defconfig | 1 +
> > > configs/spear300_defconfig | 1 +
> > > configs/spear300_nand_defconfig | 1 +
> > > configs/spear300_usbtty_defconfig | 1 +
> > > configs/spear300_usbtty_nand_defconfig | 1 +
> > > configs/spear310_defconfig | 1 +
> > > configs/spear310_nand_defconfig | 1 +
> > > configs/spear310_pnor_defconfig | 1 +
> > > configs/spear310_usbtty_defconfig | 1 +
> > > configs/spear310_usbtty_nand_defconfig | 1 +
> > > configs/spear310_usbtty_pnor_defconfig | 1 +
> > > configs/spear320_defconfig | 1 +
> > > configs/spear320_nand_defconfig | 1 +
> > > configs/spear320_pnor_defconfig | 1 +
> > > configs/spear320_usbtty_defconfig | 1 +
> > > configs/spear320_usbtty_nand_defconfig | 1 +
> > > configs/spear320_usbtty_pnor_defconfig | 1 +
> > > configs/spear600_defconfig | 1 +
> > > configs/spear600_nand_defconfig | 1 +
> > > configs/spear600_usbtty_defconfig | 1 +
> > > configs/spear600_usbtty_nand_defconfig | 1 +
> > > configs/spring_defconfig | 1 +
> > > configs/sunxi_Gemei_G9_defconfig | 1 +
> > > configs/suvd3_defconfig | 1 +
> > > configs/tbs2910_defconfig | 1 +
> > > configs/tcm-bf518_defconfig | 1 +
> > > configs/tcm-bf537_defconfig | 1 +
> > > configs/tec-ng_defconfig | 1 +
> > > configs/tec_defconfig | 1 +
> > > configs/ti814x_evm_defconfig | 1 +
> > > configs/titanium_defconfig | 1 +
> > > configs/tqma6q_mba6_mmc_defconfig | 1 +
> > > configs/tqma6q_mba6_spi_defconfig | 1 +
> > > configs/tqma6s_mba6_mmc_defconfig | 1 +
> > > configs/tqma6s_mba6_spi_defconfig | 1 +
> > > configs/tqma6s_wru4_mmc_defconfig | 1 +
> > > configs/trats2_defconfig | 1 +
> > > configs/trats_defconfig | 1 +
> > > configs/trimslice_defconfig | 1 +
> > > configs/ts4800_defconfig | 1 +
> > > configs/tuge1_defconfig | 1 +
> > > configs/tuxx1_defconfig | 1 +
> > > configs/udoo_defconfig | 1 +
> > > configs/usbarmory_defconfig | 1 +
> > > configs/venice2_defconfig | 1 +
> > > configs/ventana_defconfig | 1 +
> > > configs/vexpress_aemv8a_dram_defconfig | 1 +
> > > configs/vexpress_aemv8a_juno_defconfig | 1 +
> > > configs/vexpress_aemv8a_semi_defconfig | 1 +
> > > configs/vexpress_ca15_tc2_defconfig | 1 +
> > > configs/vexpress_ca5x2_defconfig | 1 +
> > > configs/vexpress_ca9x4_defconfig | 1 +
> > > configs/wandboard_defconfig | 1 +
> > > configs/warp7_defconfig | 1 +
> > > configs/warp_defconfig | 1 +
> > > configs/whistler_defconfig | 1 +
> > > configs/xpress_defconfig | 1 +
> > > configs/xpress_spl_defconfig | 1 +
> > > configs/zipitz2_defconfig | 1 +
> > > 436 files changed, 436 insertions(+)
> >
> > No, just no NACK at least for all the sunxi boards.
> >
> > This madness where everytime we convert something to Kconfig
> > we end up bloating ALL the defconfigs needs to stop and it
> > needs to stop now.
> >
> > I'm 100% done with fixing up things everytime after someone
> > thinks this is a good idea.
> >
> > This is not a good idea, it is a REALLY REALLY bad idea.
> >
> > The defconfig files should contain board specific settings,
> > we had the same nonsense when some of the CONFIG_CMD_FOO
> > things were converted, and all of a sudden we had the
> > same 5 extra lines in every defconfig for every board
> > which used to use config_distro_bootcmd.h
> >
> > Apparently no one was smart enough to realize that if
> > we were moving stuff from a common config header to
> > Kconfig, we would need something like
> >
> > CONFIG_DISTRO_BOOTCMD in Kconfig which would then select
> > all CONFIG_CMD_FOO options which were moved, and then
> > board / soc Kconfig snippets could simply do:
> >
> > select CONFIG_DISTRO_BOOTCMD
> >
> > I've hacked around this for sunxi:
> >
> > config ARCH_SUNXI
> > bool "Support sunxi (Allwinner) SoCs"
> > select CMD_BOOTZ
> > select CMD_DHCP
> > select CMD_EXT2
> > select CMD_EXT4
> > select CMD_FAT
> > select CMD_FS_GENERIC
> > select CMD_GPIO
> > select CMD_MII
> > select CMD_MMC if MMC
> > select CMD_PING
> > select CMD_USB
> > ...
> >
> > But I'm sick and tired of this nonsense repeating over
> > and over again.
> >
> > This needs to stop and it needs to stop NOW.
>
> To be honest, I'm getting more and more annoyed by that trend.
>
> I understand the problem that it solves, but it also forces down
> options that cannot be unselected and really should.
>
> On the options quoted above, CMD_EXT2 for example really doesn't make
> sense for a board that doesn't have a block device. Yet, you are
> getting it.
>
> USB_KEYBOARD and DM_ETH fall in the same category. USB_KEYBOARD should
> be a personal choice, and not something selected by the architecture,
> just like DM_ETH that prevents any USB-gadget networking.
>
> I'm not sure about the Kconfig version used in U-boot (or if it is
> dealt with in Kconfig at all), but the kernel allows to specify more
> than one defconfigs, to be able to extend it a bit, for example to add
> all the Android options over a regular defconfig.
>
> Having a base sunxi_defconfig + a board defconfig, and a nice wrapper
> around it would be a much better solution imho,
Yes, we could use the standard merge_config.sh tool to deal with
fragments, and once our migration is complete I hope that it starts to
make sense to publish fragments and deal with some of the commonality
problems that way. The other thing is that I want to encourage (while I
feel this is discouraged in the kernel) the use of "default y if ..."
throughout the Kconfig files for cases where it makes sense for a given
arch/soc/etc to say that the normal case is to enable something (and it
doesn't make sense to have it under the generic distro option).
--
Tom
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