linux-kernel - Re: [PATCH] phy: mediatek: allow compile-testing the hdmi phy

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Date:   Fri, 4 Dec 2020 09:47:05 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Arnd Bergmann <arnd@...nel.org>
CC:     Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        CK Hu <ck.hu@...iatek.com>, Arnd Bergmann <arnd@...db.de>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Florian Fainelli <f.fainelli@...il.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 hdmi phy

On Thu, 2020-12-03 at 23:54 +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> Compile-testing the DRM_MEDIATEK_HDMI driver leads to a harmless
> warning:
> 
> WARNING: unmet direct dependencies detected for PHY_MTK_HDMI
>   Depends on [n]: ARCH_MEDIATEK [=n] && OF [=y]
>   Selected by [y]:
>   - DRM_MEDIATEK_HDMI [=y] && HAS_IOMEM [=y] && DRM_MEDIATEK [=y]
> 
> The driver builds fine, so allow compile-testing it as well
> to get rid of the warning.
> 
> Fixes: b28be59a2e26 ("phy: mediatek: Move mtk_hdmi_phy driver into drivers/phy/mediatek folder")
> 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 65ed26e40c9f..29a85b2738f8 100644
> --- a/drivers/phy/mediatek/Kconfig
> +++ b/drivers/phy/mediatek/Kconfig
> @@ -40,7 +40,9 @@ config PHY_MTK_XSPHY
>  
>  config PHY_MTK_HDMI
>  	tristate "MediaTek HDMI-PHY Driver"
> -	depends on ARCH_MEDIATEK && OF
> +	depends on ARCH_MEDIATEK || COMPILE_TEST
> +	depends on COMMON_CLK
Seems no need add COMMON_CLK here

> +	depends on OF
>  	select GENERIC_PHY
>  	help
>  	  Support HDMI PHY for Mediatek SoCs.