linux-kernel - Re: [PATCH] of: unittest: Statically apply overlays using fdtoverlay

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Date:   Thu, 14 Jan 2021 10:30:54 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
        Frank Rowand <frowand.list@...il.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kbuild@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Bill Mills <bill.mills@...aro.org>, anmar.oueja@...aro.org,
        Masahiro Yamada <masahiroy@...nel.org>
Subject: Re: [PATCH] of: unittest: Statically apply overlays using fdtoverlay

Frank/Rob.

On 08-01-21, 14:11, Viresh Kumar wrote:
> diff --git a/drivers/of/unittest-data/Makefile b/drivers/of/unittest-data/Makefile
> index 009f4045c8e4..f17bce85f65f 100644
> --- a/drivers/of/unittest-data/Makefile
> +++ b/drivers/of/unittest-data/Makefile
> @@ -38,3 +38,26 @@ DTC_FLAGS_testcases += -@
>  
>  # suppress warnings about intentional errors
>  DTC_FLAGS_testcases += -Wno-interrupts_property
> +
> +# Apply overlays statically with fdtoverlay

I will update this part to mention about the dtbs we are not using in the build
as they will fail (as per Frank's comment).

Is there anything else you guys want me to change before I send the next version
?

> +intermediate-overlay	:= overlay.dtb
> +master			:= overlay_0.dtb overlay_1.dtb overlay_2.dtb \
> +			   overlay_3.dtb overlay_4.dtb overlay_5.dtb \
> +			   overlay_6.dtb overlay_7.dtb overlay_8.dtb \
> +			   overlay_9.dtb overlay_10.dtb overlay_11.dtb \
> +			   overlay_12.dtb overlay_13.dtb overlay_15.dtb \
> +			   overlay_gpio_01.dtb overlay_gpio_02a.dtb \
> +			   overlay_gpio_02b.dtb overlay_gpio_03.dtb \
> +			   overlay_gpio_04a.dtb overlay_gpio_04b.dtb \
> +			   intermediate-overlay.dtb
> +
> +quiet_cmd_fdtoverlay = fdtoverlay $@
> +      cmd_fdtoverlay = $(objtree)/scripts/dtc/fdtoverlay -o $@ -i $^
> +
> +$(obj)/intermediate-overlay.dtb: $(obj)/overlay_base.dtb $(addprefix $(obj)/,$(intermediate-overlay))
> +	$(call if_changed,fdtoverlay)
> +
> +$(obj)/master.dtb: $(obj)/testcases.dtb $(addprefix $(obj)/,$(master))
> +	$(call if_changed,fdtoverlay)
> +
> +always-$(CONFIG_OF_OVERLAY) += intermediate-overlay.dtb master.dtb

-- 
viresh