Subject: Re: linux-next: build failure after merge of the staging.current tree

From: Greg KH <[email-masked]>
Date: Thu, 14 Dec 2017 08:27:30 +0100

On Thu, Dec 14, 2017 at 05:00:33PM +1100, Stephen Rothwell wrote:
> Hi Greg,
> 
> After merging the staging.current tree, today's linux-next build (powerpc
> allyesconfig) failed like this:
> 
> drivers/staging/android/ion/ion_cma_heap.c: In function 'ion_cma_allocate':
> drivers/staging/android/ion/ion_cma_heap.c:38:14: error: 'CONFIG_CMA_ALIGNMENT' undeclared (first use in this function)
>   if (align > CONFIG_CMA_ALIGNMENT)
>               ^
> 
> Caused by commit
> 
>   d98e6dbf42f7 ("staging: ion: Fix ion_cma_heap allocations")
> 
> CONFIG_CMA_ALIGNMENT (and CONFIG_DMA_CMA) is not set for this build.
> 
> I have reverted that commit for today.

Thanks, and sorry about that.  John is working on a fix...

greg k-h