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Message-ID: <20211110084927.GA5976@alpha.franken.de>
Date:   Wed, 10 Nov 2021 09:49:27 +0100
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     linux-mips@...r.kernel.org, Alexander Lobakin <alobakin@...me>,
        Arnd Bergmann <arnd@...db.de>,
        Paul Cercueil <paul@...pouillou.net>,
        Xingxing Su <suxingxing@...ngson.cn>,
        linux-kernel@...r.kernel.org, zhaoxiao <zhaoxiao@...ontech.com>
Subject: Re: [PATCH] mips: decompressor: do not copy source files while
 building

On Fri, Nov 05, 2021 at 11:38:14AM +0900, Masahiro Yamada wrote:
> As commit 7ae4a78daacf ("ARM: 8969/1: decompressor: simplify libfdt
> builds") stated, copying source files during the build time may not
> end up with as clean code as expected.
> 
> Do similar for mips to clean up the Makefile and .gitignore.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> ---
> 
>  arch/mips/boot/compressed/.gitignore   |  3 ---
>  arch/mips/boot/compressed/Makefile     | 12 ------------
>  arch/mips/boot/compressed/ashldi3.c    |  2 ++
>  arch/mips/boot/compressed/bswapsi.c    |  2 ++
>  arch/mips/boot/compressed/uart-ath79.c |  2 ++
>  scripts/remove-stale-files             |  5 +++++
>  6 files changed, 11 insertions(+), 15 deletions(-)
>  delete mode 100644 arch/mips/boot/compressed/.gitignore
>  create mode 100644 arch/mips/boot/compressed/ashldi3.c
>  create mode 100644 arch/mips/boot/compressed/bswapsi.c
>  create mode 100644 arch/mips/boot/compressed/uart-ath79.c
> 
> diff --git a/arch/mips/boot/compressed/.gitignore b/arch/mips/boot/compressed/.gitignore
> deleted file mode 100644
> index d358395614c9..000000000000
> --- a/arch/mips/boot/compressed/.gitignore
> +++ /dev/null
> @@ -1,3 +0,0 @@
> -# SPDX-License-Identifier: GPL-2.0-only
> -ashldi3.c
> -bswapsi.c
> diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
> index 3548b3b45269..e6584dab2360 100644
> --- a/arch/mips/boot/compressed/Makefile
> +++ b/arch/mips/boot/compressed/Makefile
> @@ -50,20 +50,8 @@ vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY)		   += $(obj)/uart-alchemy.o
>  vmlinuzobjs-$(CONFIG_ATH79)			   += $(obj)/uart-ath79.o
>  endif
>  
> -extra-y += uart-ath79.c
> -$(obj)/uart-ath79.c: $(srctree)/arch/mips/ath79/early_printk.c
> -	$(call cmd,shipped)
> -
>  vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o
>  
> -extra-y += ashldi3.c
> -$(obj)/ashldi3.c: $(obj)/%.c: $(srctree)/lib/%.c FORCE
> -	$(call if_changed,shipped)
> -
> -extra-y += bswapsi.c
> -$(obj)/bswapsi.c: $(obj)/%.c: $(srctree)/arch/mips/lib/%.c FORCE
> -	$(call if_changed,shipped)
> -
>  targets := $(notdir $(vmlinuzobjs-y))
>  
>  targets += vmlinux.bin
> diff --git a/arch/mips/boot/compressed/ashldi3.c b/arch/mips/boot/compressed/ashldi3.c
> new file mode 100644
> index 000000000000..f7bf6a7aae31
> --- /dev/null
> +++ b/arch/mips/boot/compressed/ashldi3.c
> @@ -0,0 +1,2 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +#include "../../../../lib/ashldi3.c"
> diff --git a/arch/mips/boot/compressed/bswapsi.c b/arch/mips/boot/compressed/bswapsi.c
> new file mode 100644
> index 000000000000..fdb9c6476904
> --- /dev/null
> +++ b/arch/mips/boot/compressed/bswapsi.c
> @@ -0,0 +1,2 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +#include "../../lib/bswapsi.c"
> diff --git a/arch/mips/boot/compressed/uart-ath79.c b/arch/mips/boot/compressed/uart-ath79.c
> new file mode 100644
> index 000000000000..d686820921be
> --- /dev/null
> +++ b/arch/mips/boot/compressed/uart-ath79.c
> @@ -0,0 +1,2 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +#include "../../ath79/early_printk.c"
> diff --git a/scripts/remove-stale-files b/scripts/remove-stale-files
> index eb630ee287c3..c534fe1eac16 100755
> --- a/scripts/remove-stale-files
> +++ b/scripts/remove-stale-files
> @@ -28,4 +28,9 @@ if [ -n "${building_out_of_srctree}" ]; then
>  	do
>  		rm -f arch/arm/boot/compressed/${f}
>  	done
> +
> +	for f in uart-ath79.c ashldi3.c bswapsi.c
> +	do
> +		rm -f arch/mips/boot/compressed/${f}
> +	done

hmm, isn't this the wrong action now that these files have been added
to git ?

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]

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