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Date:   Mon, 4 Jan 2021 13:01:09 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Tiezhu Yang <yangtiezhu@...ngson.cn>,
        Colin Ian King <colin.king@...onical.com>,
        CK Hu <ck.hu@...iatek.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] phy: mediatek: allow compile-testing the dsi phy

On 03-01-21, 14:55, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> Randconfig builds show another broken dependency:
> 
> WARNING: unmet direct dependencies detected for PHY_MTK_MIPI_DSI
>   Depends on [n]: ARCH_MEDIATEK [=n] && OF [=y]
>   Selected by [m]:
>   - DRM_MEDIATEK [=m] && HAS_IOMEM [=y] && DRM [=m] && (ARCH_MEDIATEK [=n] || ARM [=y] && COMPILE_TEST [=y]) && COMMON_CLK [=y] &&
> HAVE_ARM_SMCCC [=y] && OF [=y] && MTK_MMSYS [=y]
> 
> This is similar to the hdmi driver I fixed earlier, and I guess the
> common-clk bug would sooner or later also manifest here, so just use
> the exact same solution I chose for the other driver, and hope that
> any future drivers just copy it from here.

Applied, thanks

> 
> Fixes: 90f80d95992f ("phy: mediatek: Move mtk_mipi_dsi_phy driver into drivers/phy/mediatek folder")
> Fixes: f5f6e01f9164 ("phy: mediatek: allow compile-testing the hdmi phy")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/phy/mediatek/Kconfig | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/phy/mediatek/Kconfig b/drivers/phy/mediatek/Kconfig
> index d38def43b1bf..55f8e6c048ab 100644
> --- a/drivers/phy/mediatek/Kconfig
> +++ b/drivers/phy/mediatek/Kconfig
> @@ -49,7 +49,9 @@ config PHY_MTK_HDMI
>  
>  config PHY_MTK_MIPI_DSI
>  	tristate "MediaTek MIPI-DSI Driver"
> -	depends on ARCH_MEDIATEK && OF
> +	depends on ARCH_MEDIATEK || COMPILE_TEST
> +	depends on COMMON_CLK
> +	depends on OF
>  	select GENERIC_PHY
>  	help
>  	  Support MIPI DSI for Mediatek SoCs.
> -- 
> 2.29.2

-- 
~Vinod

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