Smarter Kconfig help

Andy Shevchenko andy.shevchenko at
Wed Mar 6 02:49:40 PST 2019

On Wed, Mar 6, 2019 at 11:52 AM Russell King - ARM Linux admin
<linux at> wrote:
> On Wed, Mar 06, 2019 at 10:45:52AM +0100, Lucas Stach wrote:
> > Am Dienstag, den 05.03.2019, 17:31 +0000 schrieb Russell King - ARM Linux admin:

> > While I totally agree that the irqsteer driver should only default Y on
> > 64bit i.MX SoCs, I'm not really sure what to do about the Kconfig help
> > text.
> >
> > Enumerating SoCs in the Kconfig of a IP block driver is always prone to
> > get outdated. Just as the first example I've been able to come up with,
> > the MMC_SDHCI_ESDHC_IMX help text says: "This selects the Freescale
> > eSDHC/uSDHC controller support found on i.MX25, i.MX35 i.MX5x and
> > i.MX6x.", while the same IP block is to be found on i.MX7 and various
> > i.MX8.
> >
> > For the Kconfig user, who needs to decide if an option is relevant,
> > outdated SoC information is probably just as bad as no information at
> > all.
> How about "This option does not apply to AArch32 based SoCs" or

Negative is usually error prone.

> "This option should be enabled for i.MX7 and later SoCs" ?

Why it should be? It can / could be I guess.

With Best Regards,
Andy Shevchenko

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