Subject: Re: linux-next: build failure after merge of the driver-core tree

From: Greg KH <[email-masked]>
Date: Tue, 11 Mar 2014 18:50:21 -0700

On Wed, Mar 12, 2014 at 12:51:52AM +0000, Mark Brown wrote:
> Hi Greg,
> 
> After merging the driver-core tree, today's linux-next build ()
> failed like this on a PowerPC defconfig:
> 
> HEAD is now at ceb98e684dec Merge remote-tracking branch 'driver-core/driver-core-next'
>   GEN     /home/broonie/next/powerpc_ppc64_defconfig/Makefile
> #
> # configuration written to .config
> #
> /home/broonie/next/next/arch/powerpc/platforms/powernv/opal-elog.c: In function 'elog_ack_store':
> /home/broonie/next/next/arch/powerpc/platforms/powernv/opal-elog.c:84:2: error: implicit declaration of function 'sysfs_schedule_callback' [-Werror=implicit-function-declaration]
>   sysfs_schedule_callback(&elog_obj->kobj, delay_release_kobj,
>   ^
> cc1: all warnings being treated as errors
> make[3]: *** [arch/powerpc/platforms/powernv/opal-elog.o] Error 1
> make[3]: *** Waiting for unfinished jobs....
> /home/broonie/next/next/arch/powerpc/platforms/powernv/opal-dump.c: In function 'dump_ack_store':
> /home/broonie/next/next/arch/powerpc/platforms/powernv/opal-dump.c:100:2: error: implicit declaration of function 'sysfs_schedule_callback' [-Werror=implicit-function-declaration]
>   sysfs_schedule_callback(&dump_obj->kobj, delay_release_kobj,
>   ^
> cc1: all warnings being treated as errors
> 
> due to an interaction between d1ba277e7988908 (sysfs, driver-core: remove unused {sysfs|device}_schedule_callback_owner()) and 774fea1a38c6a5a8 (powerpc/powernv: Read OPAL error log and export it through sysfs) from the PowerPC tree.
> 
> I reverted 774fea1a38c6a5a8 for today.

Sounds like the powerpc tree also needs to stop using this function :)

thanks,

greg k-h