linux-kernel - Re: [PATCH] drm: tegra: add CONFIG

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Message-ID: <f383ef43-94a6-07bb-087c-308172948cdc@nvidia.com>
Date:   Tue, 25 Jul 2017 09:25:56 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Arnd Bergmann <arnd@...db.de>,
        Thierry Reding <thierry.reding@...il.com>,
        David Airlie <airlied@...ux.ie>
CC:     Stephen Boyd <stephen.boyd@...aro.org>, <robdclark@...il.com>,
        "Philipp Zabel" <p.zabel@...gutronix.de>,
        <dri-devel@...ts.freedesktop.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm: tegra: add CONFIG_OF dependency


On 21/07/17 17:13, Arnd Bergmann wrote:
> Without CONFIG_OF, we can run into a build error:
> 
> drivers/gpu/drm/tegra/dpaux.c:378:20: error: 'pinconf_generic_dt_node_to_map_group' undeclared here (not in a function); did you mean 'pinconf_generic_params'?
>   .dt_node_to_map = pinconf_generic_dt_node_to_map_group,
>                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>                     pinconf_generic_params
> drivers/gpu/drm/tegra/dpaux.c:379:17: error: 'pinconf_generic_dt_free_map' undeclared here (not in a function); did you mean 'pinconf_generic_params'?
> 
> This adds an explicit dependency.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/gpu/drm/tegra/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/tegra/Kconfig b/drivers/gpu/drm/tegra/Kconfig
> index 2db29d67193d..dc58ab140151 100644
> --- a/drivers/gpu/drm/tegra/Kconfig
> +++ b/drivers/gpu/drm/tegra/Kconfig
> @@ -3,6 +3,7 @@ config DRM_TEGRA
>  	depends on ARCH_TEGRA || (ARM && COMPILE_TEST)
>  	depends on COMMON_CLK
>  	depends on DRM
> +	depends on OF
>  	select DRM_KMS_HELPER
>  	select DRM_MIPI_DSI
>  	select DRM_PANEL

Thanks Arnd. I am curious if it can still fail if PINCTRL is not
selected in whatever config you are using?

That said ...

Acked-by: Jon Hunter <jonathanh@...dia.com>

Cheers
Jon

-- 
nvpublic