linux-kernel - Re: [PATCH] firmware: Create directories for external firmware

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Message-ID: <CAF1_xX2-uDN3izJkfhHG9r+H1MnWEmXXCgSi=KzTEYsSVQ3VVA@mail.gmail.com>
Date:	Tue, 8 Jul 2014 18:29:41 +0200
From:	Ronald <ronald645@...il.com>
To:	Michal Marek <mmarek@...e.cz>
Cc:	Torsten Kaiser <just.for.lkml@...glemail.com>,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] firmware: Create directories for external firmware

>> 2014-07-08 14:47 GMT+02:00 Michal Marek <mmarek@...e.cz>:
>>
>>> Commit 5180d5f4 ("firmware: Simplify directory creation") broke
>>> including firmware specified in CONFIG_EXTRA_FIRMWARE:
>>>
>>>   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
>>> ...
>>> firmware/Makefile:185: recipe for target
>>> 'firmware/amd-ucode/microcode_amd.bin.gen.S' failed
>>>
>>> It works with O= builds, because the directory is created by
>>> Makefile.build. Create the directory in firmware/Makefile in non-O
>>> builds.
>>>
>>> Reported-by: Ronald <ronald645@...il.com>
>>> Reported-by: Torsten Kaiser <just.for.lkml@...glemail.com>
>>> Signed-off-by: Michal Marek <mmarek@...e.cz>
>>> ---
>>>
>>> Can you try this patch?
>>>
>>> Ronald, can you tell me your full name for the Reported-by: line?
>>>
>>> Thanks.
>>> ---
>>>
>>>  firmware/Makefile | 6 ++++++
>>>  1 file changed, 6 insertions(+)
>>>
>>> diff --git a/firmware/Makefile b/firmware/Makefile
>>> index 5747417..0862d34 100644
>>> --- a/firmware/Makefile
>>> +++ b/firmware/Makefile
>>> @@ -219,6 +219,12 @@ $(obj)/%.fw: $(obj)/%.H16 $(ihex2fw_dep)
>>>  obj-y                           += $(patsubst %,%.gen.o,
>>> $(fw-external-y))
>>>  obj-$(CONFIG_FIRMWARE_IN_KERNEL) += $(patsubst %,%.gen.o,
>>> $(fw-shipped-y))
>>>
>>> +ifeq ($(KBUILD_SRC),)
>>> +# Makefile.build only creates subdirectories for O= builds, but external
>>> +# firmware might live outside the kernel source tree
>>> +_dummy := $(foreach d,$(addprefix $(obj)/,$(dir $(fw-external-y))),
>>> $(shell [ -d $(d) ] || mkdir -p $(d)))
>>> +endif
>>> +
>>>  # Remove .S files and binaries created from ihex
>>>  # (during 'make clean' .config isn't included so they're all in
>>> $(fw-shipped-))
>>>  targets := $(fw-shipped-) $(patsubst $(obj)/%,%, \
>>> --
>>> 1.8.4.5

I can confirm that this patch on top of current HEAD fixes the issue.
Thanks a ton!
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