Re: [PATCH] arch/microblaze/kernel/setup.c: Add default 'screen_info" for fixing compiling break

From: Chen Gang
Date: Sun Sep 14 2014 - 05:03:13 EST


On 09/14/2014 04:45 PM, Geert Uytterhoeven wrote:
> Hi Chen,
>
> On Sun, Sep 14, 2014 at 10:32 AM, Chen Gang <gang.chen.5i5j@xxxxxxxxx> wrote:
>> Add default one just like other architectures have done (e.g. cris,
>> score, sh ...), the related error with allmodconfig:
>>
>> LD init/built-in.o
>> drivers/built-in.o: In function `vgacon_save_screen':
>> drivers/video/console/.tmp_vgacon.o:(.text+0x834d0): undefined reference to `screen_info'
>> drivers/video/console/.tmp_vgacon.o:(.text+0x834ec): undefined reference to `screen_info'
>> drivers/built-in.o: In function `vgacon_resize':
>> drivers/video/console/.tmp_vgacon.o:(.text+0x83cdc): undefined reference to `screen_info'
>> drivers/video/console/.tmp_vgacon.o:(.text+0x83d38): undefined reference to `screen_info'
>> drivers/built-in.o: In function `vgacon_switch':
>> drivers/video/console/.tmp_vgacon.o:(.text+0x83f50): undefined reference to `screen_info'
>> drivers/built-in.o:drivers/video/console/.tmp_vgacon.o:(.text+0x8407c): more undefined references to `screen_info' follow
>> make: *** [vmlinux] Error 1
>
> Can microblaze actually have VGA?
>
> If not, it's better to disable it.
>

Welcome the related microblaze maintainers ideas for it

> BTW, it's interesting you mention cris, as VGA_CONSOLE depends on !CRIS
> in drivers/video/console/Kconfig...
>

Welcome the related cris maintainers ideas for it.

> I (still) think it's time to introduce ARCH_MIGHT_HAVE_VGA, and make
> VGA_CONSOLE depend on that, cfr.
>
> commit f13399f033ae3d49e1808bacabd83d116844c94e
> Merge: 049ffa8ab33a b2c32b32a212
> Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> Date: Fri Nov 15 14:05:15 2013 -0800
>
> Merge tag 'for-linus' of
> git://linux-c6x.org/git/projects/linux-c6x-upstreaming
>
> Pull Kconfig cleanups from Mark Salter:
> "Remove some unused config options from C6X and clean up PC_PARPORT
> dependencies. The latter was discussed here:
>
> https://lkml.org/lkml/2013/10/8/12";
>
> * tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming:
> c6x: remove unused COMMON_CLKDEV Kconfig parameter
> Kconfig cleanup (PARPORT_PC dependencies)
> x86: select ARCH_MIGHT_HAVE_PC_PARPORT
> unicore32: select ARCH_MIGHT_HAVE_PC_PARPORT
> sparc: select ARCH_MIGHT_HAVE_PC_PARPORT
> sh: select ARCH_MIGHT_HAVE_PC_PARPORT
> powerpc: select ARCH_MIGHT_HAVE_PC_PARPORT
> parisc: select ARCH_MIGHT_HAVE_PC_PARPORT
> mips: select ARCH_MIGHT_HAVE_PC_PARPORT
> microblaze: select ARCH_MIGHT_HAVE_PC_PARPORT
> m68k: select ARCH_MIGHT_HAVE_PC_PARPORT
> ia64: select ARCH_MIGHT_HAVE_PC_PARPORT
> arm: select ARCH_MIGHT_HAVE_PC_PARPORT
> alpha: select ARCH_MIGHT_HAVE_PC_PARPORT
> c6x: remove unused parameter in Kconfig
>

At least for me, the contents above sounds reasonable.

And also thank you very much for always supporting me for sending
'global' patches for Kconfig.

But in honest, what I have done is not quite well, at present. And I
should continue trying...


Thanks.
--
Chen Gang

Open share and attitude like air water and life which God blessed
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