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Date: Fri, 6 Apr 2018 09:46:15 -0700
From: Tony Lindgren <tony@atomide.com>
Subject: Re: [BUG] Fix drivers/memory O= build
Message-ID: <20180406164615.GL5700@atomide.com>
References: <20180406102519.GN16141@n2100.armlinux.org.uk>
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To: Russell King - ARM Linux <linux@armlinux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org, Dave Gerlach <d-gerlach@ti.com>, Santosh Shilimkar <santosh.shilimkar@oracle.com>, linux-kbuild@vger.kernel.org, Masahiro Yamada <yamada.masahiro@socionext.com>, Michal Marek <michal.lkml@markovi.net>, linux-omap@vger.kernel.org, arm-soc@armlinux.org.uk

* Russell King - ARM Linux <linux@armlinux.org.uk> [180406 03:27]:
> When building a kernel with split object directories, the following
> failure occurs:
> 
> .../drivers/memory/emif-asm-offsets.c:1:0: fatal error: can't open drivers/memory/emif-asm-offsets.s for writing: No such file or directory
> compilation terminated.
> drivers/memory/Makefile.asm-offsets:2: recipe for target 'drivers/memory/emif-asm-offsets.s' failed
> make[2]: *** [drivers/memory/emif-asm-offsets.s] Error 1
> .../Makefile:1060: recipe for target 'arch/arm/mach-omap2' failed
> make[1]: *** [arch/arm/mach-omap2] Error 2
> 
> This prevents any kernel being built that includes decending into
> arch/arm/mach-omap2 with split object directories.
> 
> This is a regression.

Dave, I presume you're looking into this already?

Regards,

Tony