arm: gcc-8: drivers/pinctrl/mediatek/../core.h:211:21: error: initializer element is not constant (struct group_desc)

[Andy Shevchenko]

On Mon, Dec 04, 2023 at 04:11:11PM +0100, Arnd Bergmann wrote:
> On Mon, Dec 4, 2023, at 13:08, Naresh Kamboju wrote:
> > Following build errors noticed on Linux next-20231204 tag with gcc-8 toolchain
> > for arm and arm64.
> >
> > ## Test Regressions (compared to next-20231201)
> > * arm, build
> >   - gcc-8-defconfig
> >
> > * arm64, build
> >   - gcc-8-defconfig
> >
> > Reported-by: Linux Kernel Functional Testing <lkft at linaro.org>
> >
> > Build log arm and arm64:
> > ------------
> > In file included from drivers/pinctrl/mediatek/pinctrl-moore.h:21,
> >                  from drivers/pinctrl/mediatek/pinctrl-mt7623.c:11:
> > drivers/pinctrl/mediatek/../core.h:211:21: error: initializer element
> > is not constant
> >  (struct group_desc) {      \
> 
> This apparently comes from c0c8dd0a7773 ("pinctrl: core: Add a
> convenient define PINCTRL_GROUP_DESC()") and following patches
> from Andy Shevchenko (added to Cc).
> 
> I also checked different compiler versions and found that the
> new code works fine with gcc-13.2.0, but not with gcc-12 or
> older.

Thank you, Linus already dropped problematic changes.

-- 
With Best Regards,
Andy Shevchenko