Re: input: i8042: build failure on powerpc

[Guenter Roeck]

On Thu, Nov 12, 2015 at 04:01:45PM +0100, LABBE Corentin wrote:
> Hello
> 
> I have made a random .config for testing my powerpc cross-compiler and I got this fail:
> 

In general it helps to provide the broken configuration.

If you do some digging, you may notice that this has been broken
since commit 917f0af9e5a9 ("powerpc: Remove arch/ppc and include/asm-ppc"),
or in other words since 2008. CONFIG_INPUT is not set with walnut_defconfig,
which may explain why no one noticed.

I would suggest to just remove the offending code. Quite obviously it is dead.

Guenter

>   LD      init/built-in.o
> drivers/built-in.o: In function `i8042_wait_write':
> i8042.c:(.text+0x13d8be): undefined reference to `kb_cs'
> i8042.c:(.text+0x13d8c6): undefined reference to `kb_cs'
> i8042.c:(.text+0x13d8e6): undefined reference to `kb_cs'
> drivers/built-in.o: In function `i8042_kbd_write':
> i8042.c:(.text+0x13d9aa): undefined reference to `kb_data'
> i8042.c:(.text+0x13d9ae): undefined reference to `kb_data'
> drivers/built-in.o: In function `i8042_flush':
> i8042.c:(.text+0x13da56): undefined reference to `kb_cs'
> i8042.c:(.text+0x13da62): undefined reference to `kb_cs'
> i8042.c:(.text+0x13da66): undefined reference to `kb_data'
> i8042.c:(.text+0x13da86): undefined reference to `kb_data'
> drivers/built-in.o: In function `i8042_panic_blink':
> i8042.c:(.text+0x13db92): undefined reference to `kb_cs'
> i8042.c:(.text+0x13db9a): undefined reference to `kb_cs'
> i8042.c:(.text+0x13dc06): undefined reference to `kb_data'
> i8042.c:(.text+0x13dc16): undefined reference to `kb_data'
> i8042.c:(.text+0x13dc8a): undefined reference to `kb_data'
> drivers/built-in.o: In function `i8042_interrupt':
> i8042.c:(.text+0x13dd1a): undefined reference to `kb_cs'
> i8042.c:(.text+0x13dd1e): undefined reference to `kb_cs'
> i8042.c:(.text+0x13dd3e): undefined reference to `kb_data'
> i8042.c:(.text+0x13dd42): undefined reference to `kb_data'
> drivers/built-in.o: In function `__i8042_command':
> i8042.c:(.text+0x13e2b6): undefined reference to `kb_cs'
> i8042.c:(.text+0x13e2be): undefined reference to `kb_cs'
> i8042.c:(.text+0x13e2ea): undefined reference to `kb_data'
> i8042.c:(.text+0x13e302): undefined reference to `kb_data'
> i8042.c:(.text+0x13e34e): undefined reference to `kb_cs'
> i8042.c:(.text+0x13e362): undefined reference to `kb_cs'
> i8042.c:(.text+0x13e366): undefined reference to `kb_data'
> i8042.c:(.text+0x13e3de): undefined reference to `kb_data'
> drivers/built-in.o: In function `i8042_aux_test_irq':
> i8042.c:(.init.text+0x59a2): undefined reference to `kb_cs'
> i8042.c:(.init.text+0x59a6): undefined reference to `kb_cs'
> i8042.c:(.init.text+0x59ca): undefined reference to `kb_data'
> i8042.c:(.init.text+0x59ce): undefined reference to `kb_data'
> drivers/built-in.o: In function `i8042_probe':
> i8042.c:(.init.text+0x5dda): undefined reference to `kb_cs'
> i8042.c:(.init.text+0x5dde): undefined reference to `kb_cs'
> i8042.c:(.init.text+0x6366): undefined reference to `kb_data'
> i8042.c:(.init.text+0x6376): undefined reference to `kb_cs'
> i8042.c:(.init.text+0x637a): undefined reference to `kb_data'
> Makefile:929: recipe for target 'vmlinux' failed
> 
> it seems that kb_data and kb_cs (declared as extern in drivers/input/serio/i8042-ppcio.h) are defined anywhere.
> 
> Regards
> 
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