Hi Geert,

Thanks for your clarification. we are on vacation this week, and we'll take a look asap.

Best Regards,
Rong Chen

On 10/2/2019 7:28 PM, Geert Uytterhoeven wrote:
Hi Kbuild test robot,

On Wed, Oct 2, 2019 at 11:53 AM kbuild test robot <l...@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 <l...@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


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