linux-kernel - Re: linux-next: build failures after merge of the drm tree

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Message-id: <53E0736E.7030901@samsung.com>
Date:	Tue, 05 Aug 2014 15:02:22 +0900
From:	YoungJun Cho <yj44.cho@...sung.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Dave Airlie <airlied@...ux.ie>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
	linux-arm-kernel@...ts.infradead.org
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Thomas Wood <thomas.wood@...el.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Inki Dae <daeinki@...il.com>,
	Rahul Sharma <rahul.sharma@...sung.com>
Subject: Re: linux-next: build failures after merge of the drm tree

Hi Stephen and Dave,

On 08/05/2014 12:09 PM, Stephen Rothwell wrote:
> Hi Dave,
>
> After merging the drm tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> ERROR: "drm_sysfs_connector_remove" [drivers/gpu/drm/i2c/tda998x.ko] undefined!
> ERROR: "drm_sysfs_connector_add" [drivers/gpu/drm/i2c/tda998x.ko] undefined!
>
> Caused by commit c707c3619ca8 ("drm/i2c: tda998x: add component
> support") interacting with commit 34ea3d386347 ("drm: add register and
> unregister functions for connectors").  Maybe it should have been fixed
> up in the merge commit 920f946428b7 ("Merge branch 'tda998x-devel' of
> git://ftp.arm.linux.org.uk/~rmk/linux-cubox into drm-next")?
>
> I reverted commit c707c3619ca8 for today.
>
> But then the arm multi_v7_defconfig build produced these errors:
>
> ERROR (phandle_references): Reference to non-existent node or label "disp_pd"
>
> ERROR: Input tree has errors, aborting (use -f to force output)
> make[2]: *** [arch/arm/boot/dts/exynos5420-arndale-octa.dtb] Error 2
> make[2]: *** Waiting for unfinished jobs....
> ERROR (phandle_references): Reference to non-existent node or label "disp_pd"
>
> ERROR: Input tree has errors, aborting (use -f to force output)
> make[2]: *** [arch/arm/boot/dts/exynos5420-smdk5420.dtb] Error 2
> ERROR (phandle_references): Reference to non-existent node or label "disp_pd"
>
> ERROR: Input tree has errors, aborting (use -f to force output)
> ERROR (phandle_references): Reference to non-existent node or label "disp_pd"
>
> make[2]: *** [arch/arm/boot/dts/exynos5800-peach-pi.dtb] Error 2
> ERROR: Input tree has errors, aborting (use -f to force output)
>
> Caused by commit 5a8da524049c ("ARM: dts: exynos5420: add dsi node")
> interacting with commit d51cad7df871 ("ARM: dts: remove display power
> domain for exynos5420") from the arm-soc tree.
>

I missed the patch "ARM: dts: remove display power domain for 
exynos5420" in linux-samsung-soc mail thread.

In my test without power domain property, the exynos5420 dsi master 
driver works well.

> I applied this merge fix patch:
>
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Tue, 5 Aug 2014 13:03:01 +1000
> Subject: [PATCH] ARM: dts: exynos5420: remove disp_pd
>
> per comit d51cad7df871 ("ARM: dts: remove display power
> domain for exynos5420").
>
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
>   arch/arm/boot/dts/exynos5420.dtsi | 1 -
>   1 file changed, 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
> index 95ec37dff3e8..bfe056d9148c 100644
> --- a/arch/arm/boot/dts/exynos5420.dtsi
> +++ b/arch/arm/boot/dts/exynos5420.dtsi
> @@ -525,7 +525,6 @@
>   		compatible = "samsung,exynos5410-mipi-dsi";
>   		reg = <0x14500000 0x10000>;
>   		interrupts = <0 82 0>;
> -		samsung,power-domain = <&disp_pd>;
>   		phys = <&mipi_phy 1>;
>   		phy-names = "dsim";
>   		clocks = <&clock CLK_DSIM1>, <&clock CLK_SCLK_MIPI1>;
>

Tested-by: YoungJun Cho <yj44.cho@...sung.com>

Thank you.
Best regards YJ


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