linux-kernel - Re: [PATCH 7/7] microblaze: remove the unneeded code just in case file copy fails

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Message-ID: <ed259512-5c34-45cd-22ec-38d64ce5e493@monstr.eu>
Date:   Wed, 5 Dec 2018 17:33:49 +0100
From:   Michal Simek <monstr@...str.eu>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     linux-kbuild@...r.kernel.org, devicetree@...r.kernel.org,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/7] microblaze: remove the unneeded code just in case
 file copy fails

On 03. 12. 18 8:50, Masahiro Yamada wrote:
> I guess
> 
>     || (rm -f $@ && echo false)
> 
> ... should be
> 
>     || (rm -f $@ && false)
> 
> since printing the string "false" on the console has no point.
> 
> Moreover, no Makefile needs to delete a target on error explicitly
> since commit 9c2af1c7377a ("kbuild: add .DELETE_ON_ERROR special
> target").
> 
> Reuse equivalent cmd_shipped from scripts/Makefile.lib.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
> 
>  arch/microblaze/boot/dts/Makefile | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/arch/microblaze/boot/dts/Makefile b/arch/microblaze/boot/dts/Makefile
> index c7324e7..ef00dd3 100644
> --- a/arch/microblaze/boot/dts/Makefile
> +++ b/arch/microblaze/boot/dts/Makefile
> @@ -12,12 +12,9 @@ $(obj)/linked_dtb.o: $(obj)/system.dtb
>  # Generate system.dtb from $(DTB).dtb
>  ifneq ($(DTB),system)
>  $(obj)/system.dtb: $(obj)/$(DTB).dtb
> -	$(call if_changed,cp)
> +	$(call if_changed,shipped)
>  endif
>  endif
>  
> -quiet_cmd_cp = CP      $< $@$2
> -	cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)
> -
>  # Rule to build device tree blobs
>  DTC_FLAGS := -p 1024
> 

Acked-by: Michal Simek <michal.simek@...inx.com>

Thanks,
Michal


-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs




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