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SubjectRe: [PATCH] serial: sh-sci: Use platform_get_irq_optional() for optional interrupts
Hi Kbuild test robot,

On Wed, Oct 2, 2019 at 11:53 AM kbuild test robot <lkp@intel.com> wrote:
> I love your patch! Yet something to improve:
>
> [auto build test ERROR on tty/tty-testing]
> [cannot apply to v5.4-rc1 next-20191001]

Strange, this patch applies to all of v5.4-rc1, tty/tty-testing, and
next-20191001?

> url: https://github.com/0day-ci/linux/commits/Geert-Uytterhoeven/serial-sh-sci-Use-platform_get_irq_optional-for-optional-interrupts/20191002-171547

Oh, this is still the old tty/tty-testing before it was rebased to v5.4-rc1,
i.e. still based on v5.3-rc4. That explains the build failure.

That does not explain why you couldn't apply this patch to v5.4-rc1 and
next-20191001, though.

> base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
> config: sparc64-allmodconfig (attached as .config)
> compiler: sparc64-linux-gcc (GCC) 7.4.0
> reproduce:
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # save the attached .config to linux build tree
> GCC_VERSION=7.4.0 make.cross ARCH=sparc64
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
> drivers/tty/serial/sh-sci.c: In function 'sci_init_single':
> >> drivers/tty/serial/sh-sci.c:2899:24: error: implicit declaration of function 'platform_get_irq_optional'; did you mean 'platform_get_irq_byname'? [-Werror=implicit-function-declaration]
> sci_port->irqs[i] = platform_get_irq_optional(dev, i);
> ^~~~~~~~~~~~~~~~~~~~~~~~~
> platform_get_irq_byname
> cc1: some warnings being treated as errors

FTR, not reproducible on sparc on v5.4-rc1, current tty/tty-testing, and
next-20191001.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

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