Re: randconfig build error with next-20150521, in drivers/platform/x86/dell-rbtn.c

From: Pali RohÃr
Date: Thu May 21 2015 - 16:07:22 EST


On Thursday 21 May 2015 21:56:15 Darren Hart wrote:
> On Thu, May 21, 2015 at 10:36:15AM -0700, Jim Davis wrote:
> > Building with the attached random configuration file,
> >
> > drivers/built-in.o: In function `rbtn_remove':
> > dell-rbtn.c:(.text+0x31d7f4): undefined reference to
> > `input_unregister_device' drivers/built-in.o: In function
> > `rbtn_notify':
> > dell-rbtn.c:(.text+0x31d8e5): undefined reference to `input_event'
> > dell-rbtn.c:(.text+0x31d8f8): undefined reference to `input_event'
> > dell-rbtn.c:(.text+0x31d911): undefined reference to `input_event'
> > dell-rbtn.c:(.text+0x31d924): undefined reference to `input_event'
> > drivers/built-in.o: In function `rbtn_add':
> > dell-rbtn.c:(.text+0x31da11): undefined reference to
> > `input_allocate_device' dell-rbtn.c:(.text+0x31da4a): undefined
> > reference to `input_register_device' dell-rbtn.c:(.text+0x31da5e):
> > undefined reference to `input_free_device' Makefile:938: recipe
> > for target 'vmlinux' failed
>
> Thanks Jim,
>
> Pali, the DELL_RBTN needs to ensure if it it's built-in, that INPUT
> is too. ...
>
> > CONFIG_INPUT=m
> > CONFIG_INPUT_FF_MEMLESS=m
> > CONFIG_INPUT_POLLDEV=m
> > CONFIG_INPUT_SPARSEKMAP=m
> > CONFIG_INPUT_MATRIXKMAP=m
>
> ...
>
> > CONFIG_DELL_RBTN=y
>
> Please submit a fix as a new patch.

I believe that this patch is needed:

diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 8c03223..d025fd8 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -141,6 +141,7 @@ config DELL_SMO8800
config DELL_RBTN
tristate "Dell Airplane Mode Switch driver"
depends on ACPI
+ depends on INPUT
depends on RFKILL
---help---
Say Y here if you want to support Dell Airplane Mode Switch ACPI

I did not tested it yet, but all other drivers depends on INPUT.

--
Pali RohÃr
pali.rohar@xxxxxxxxx

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