linux-kernel - Re: Regression: firmware: Simplify directory creation + b43 = fails to build

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Date:	Mon, 7 Jul 2014 21:02:08 +0200
From:	Torsten Kaiser <just.for.lkml@...glemail.com>
To:	Ronald <ronald645@...il.com>
Cc:	Michal Marek <mmarek@...e.cz>, linux-kbuild@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Regression: firmware: Simplify directory creation + b43 = fails
 to build

On Wed, Jun 18, 2014 at 6:25 PM, Ronald <ronald645@...il.com> wrote:
> From my .config
>
>  ==> cat /usr/src/config | grep -i b43
> CONFIG_EXTRA_FIRMWARE="b43/ucode5.fw b43/b0g0initvals5.fw
> b43/b0g0bsinitvals5.fw b43/pcm5.fw"
> ... snip ...

That might be rather later, but I seem to have the same problem:
  CHK     kernel/config_data.h
  MK_FW   firmware/amd-ucode/microcode_amd.bin.gen.S
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
/bin/sh: firmware/amd-ucode/microcode_amd.bin.gen.S: No such file or directory
firmware/Makefile:185: recipe for target
'firmware/amd-ucode/microcode_amd.bin.gen.S' failed
make[1]: *** [firmware/amd-ucode/microcode_amd.bin.gen.S] Error 1
Makefile:896: recipe for target 'firmware' failed
make: *** [firmware] Error 2

The directory firmware/amd-ucode does not exist in the kernel source
tree, but my .config seems to need it:
CONFIG_EXTRA_FIRMWARE="radeon/R700_rlc.bin radeon/RV710_uvd.bin
radeon/RV730_smc.bin amd-ucode/microcode_amd.bin"
CONFIG_EXTRA_FIRMWARE_DIR="/lib/firmware"

Just doing a "mkdir firmware/amd-ucode" lets the build continue and I
get a working 3.16 kernel.

With 3.15 and earlier I never had a problem with this, but 3.16-rc4
just failed with above message.

Do you need my full .config or any other information about my system?
I would be happy to provide that and/or test a patch.

Thanks for looking into this!

Torsten
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