linux-kernel - Re: [PATCH] [PATCH v2] drm/sun4i: fix unmet dependency on RESET_CONTROLLER for PHY_SUN6I_MIPI

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Message-ID: <2602978.mvXUDI8C0e@kista>
Date:   Wed, 10 Nov 2021 20:09:27 +0100
From:   Jernej Škrabec <jernej.skrabec@...il.com>
To:     airlied@...ux.ie, daniel@...ll.ch, wens@...e.org,
        mripard@...nel.org, Julian Braha <julianbraha@...il.com>
Cc:     dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-kernel@...r.kernel.org, fazilyildiran@...il.com
Subject: Re: [PATCH] [PATCH v2] drm/sun4i: fix unmet dependency on RESET_CONTROLLER for PHY_SUN6I_MIPI_DPHY

Hi Julian,

Dne torek, 09. november 2021 ob 04:23:51 CET je Julian Braha napisal(a):
> When PHY_SUN6I_MIPI_DPHY is selected, and RESET_CONTROLLER
> is not selected, Kbuild gives the following warning:
> 
> WARNING: unmet direct dependencies detected for PHY_SUN6I_MIPI_DPHY
>   Depends on [n]: (ARCH_SUNXI [=n] || COMPILE_TEST [=y]) && HAS_IOMEM [=y] 
&& COMMON_CLK [=y] && RESET_CONTROLLER [=n]
>   Selected by [y]:
>   - DRM_SUN6I_DSI [=y] && HAS_IOMEM [=y] && DRM_SUN4I [=y]
> 
> This is because DRM_SUN6I_DSI selects PHY_SUN6I_MIPI_DPHY
> without selecting or depending on RESET_CONTROLLER, despite
> PHY_SUN6I_MIPI_DPHY depending on RESET_CONTROLLER.
> 
> These unmet dependency bugs were detected by Kismet,
> a static analysis tool for Kconfig. Please advise if this
> is not the appropriate solution.
> 
> v2:
> Fixed indentation to match the rest of the file.
> 
> Signed-off-by: Julian Braha <julianbraha@...il.com>

Acked-by: Jernej Skrabec <jernej.skrabec@...il.com>

Best regards,
Jernej