[PATCH 2/2] arm64: dts: freescale: Use overlay target for simplicity

[Vladimir Oltean]

On Sat, Jan 29, 2022 at 03:09:12PM +0800, Shawn Guo wrote:
> With commit 15d16d6dadf6 ("kbuild: Add generic rule to apply
> fdtoverlay"), overlay target can be used to simplify the build of DTB
> overlays.  It also performs a cross check to ensure base DT and overlay
> actually match.
> 
> Signed-off-by: Shawn Guo <shawnguo at kernel.org>
> ---

Reviewed-by: Vladimir Oltean <vladimir.oltean at nxp.com>

>  arch/arm64/boot/dts/freescale/Makefile | 29 +++++++++++++-------------
>  1 file changed, 14 insertions(+), 15 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 6d8f0a532587..c521ac2b00ca 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -1,14 +1,5 @@
>  # SPDX-License-Identifier: GPL-2.0
>  
> -# required for overlay support
> -DTC_FLAGS_fsl-ls1028a-qds := -@
> -DTC_FLAGS_fsl-ls1028a-qds-13bb := -@
> -DTC_FLAGS_fsl-ls1028a-qds-65bb := -@
> -DTC_FLAGS_fsl-ls1028a-qds-7777 := -@
> -DTC_FLAGS_fsl-ls1028a-qds-85bb := -@
> -DTC_FLAGS_fsl-ls1028a-qds-899b := -@
> -DTC_FLAGS_fsl-ls1028a-qds-9999 := -@
> -
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-frdm.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-frwy.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-oxalis.dtb
> @@ -21,12 +12,6 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28-var2.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28-var3-ads2.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28-var4.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds.dtb
> -dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds-13bb.dtb
> -dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds-65bb.dtb
> -dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds-7777.dtb
> -dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds-85bb.dtb
> -dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds-899b.dtb
> -dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds-9999.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-rdb.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1043a-qds.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1043a-rdb.dtb
> @@ -49,6 +34,20 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2160a-qds.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2160a-rdb.dtb
>  dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-lx2162a-qds.dtb
>  
> +fsl-ls1028a-qds-13bb-dtbs := fsl-ls1028a-qds.dtb fsl-ls1028a-qds-13bb.dtbo
> +fsl-ls1028a-qds-65bb-dtbs := fsl-ls1028a-qds.dtb fsl-ls1028a-qds-65bb.dtbo
> +fsl-ls1028a-qds-7777-dtbs := fsl-ls1028a-qds.dtb fsl-ls1028a-qds-7777.dtbo
> +fsl-ls1028a-qds-85bb-dtbs := fsl-ls1028a-qds.dtb fsl-ls1028a-qds-85bb.dtbo
> +fsl-ls1028a-qds-899b-dtbs := fsl-ls1028a-qds.dtb fsl-ls1028a-qds-899b.dtbo
> +fsl-ls1028a-qds-9999-dtbs := fsl-ls1028a-qds.dtb fsl-ls1028a-qds-9999.dtbo
> +
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds-13bb.dtb
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds-65bb.dtb
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds-7777.dtb
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds-85bb.dtb
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds-899b.dtb
> +dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-qds-9999.dtb
> +
>  dtb-$(CONFIG_ARCH_MXC) += imx8mm-beacon-kit.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mm-evk.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mm-ddr4-evk.dtb
> -- 
> 2.17.1
>