linux-kernel - Re: linux-next: build failure after merge of the mfd tree

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Date:	Thu, 15 Oct 2015 10:17:52 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Christoph Hellwig <hch@....de>
Subject: Re: linux-next: build failure after merge of the mfd tree

On Thu, 15 Oct 2015, Arnd Bergmann wrote:

> On Thursday 15 October 2015 13:26:02 Stephen Rothwell wrote:
> > After merging the mfd tree, today's linux-next build (x86_64 allmodconfig)
> > failed like this:
> > 
> > drivers/mfd/intel-lpss.c:29:47: fatal error: asm-generic/io-64-nonatomic-lo-hi.h: No such file or directory
> >  #include <asm-generic/io-64-nonatomic-lo-hi.h>
> >                                                ^
> > 
> > Caused by commit
> > 
> >   6a1d82fbc8e8 ("mfd: intel-lpss: Use writeq() helper")
> > 
> > interacting with commit
> > 
> >   f626fe17485b ("move io-64-nonatomic*.h out of asm-generic")
> > 
> > from the asm-generic tree.
> > 
> > I have added the following merge fix patch and can carry it as necessary.
> > 
> > From: Stephen Rothwell <sfr@...b.auug.org.au>
> > Date: Thu, 15 Oct 2015 13:23:20 +1100
> > Subject: [PATCH] mfd: fix for "move io-64-nonatomic*.h out of asm-generic"
> > 
> > Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> 
> The patch looks good, should we do something to prevent that from
> becoming a problem when Linus pulls our branches?
> 
> This commit is at the bottom of my asm-generic git tree, so Lee could merge
> that one commit into his tree and fix up the merge correctly.
> 
> However, I also now see that drivers/net/ethernet/hisilicon/hns/hns_dsaf_xgmac.c
> has the same problem, so maybe it's better to add a temporary file
> with the old name containing "#include <linux/io-64-nonatomic-lo-hi.h>",
> which I will remove in the following merge window or as a follow-up.
> 
> Yet another way would be for me to wait until Linus has pulled both
> mfd and netdev been merged, and I'll let him know of the conflict
> in my pull request.

I'll remain flexible.  Whatever you think is the best solution we'll
go with and I'll facilitate.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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