Re: [PATCH] checkpatch: avoid default n

Miles Chen
2019-07-03T11:22:44Z

On Wed, 2019-07-03 at 01:42 -0700, Joe Perches wrote:
> On Wed, 2019-07-03 at 16:30 +0800, Miles Chen wrote:
> > This change reports a warning when "default n" is used.
> >
> > I have seen several "remove default n" patches, so I think
> > it might be helpful to add this test in checkpatch.
> >
> > tested:
> > WARNING: 'default n' is the default value, no need to write it explicitly.
> > + default n
>
> I don't think this is reasonable as there are
> several uses like:
>
> default y
> default n if <foo>
>
> For instance:
>
> arch/alpha/Kconfig-config ALPHA_WTINT
> arch/alpha/Kconfig- bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
> arch/alpha/Kconfig- default y if ALPHA_QEMU
> arch/alpha/Kconfig: default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
> arch/alpha/Kconfig: default n if !ALPHA_SRM && !ALPHA_GENERIC
>
>
Thanks for your comment, perhaps we can just deal with the "default n$"
case?

like:
+ $line =~ /^\+\s*\bdefault n$/) {