linux-kernel - Re: [PATCH v3] drm/rockchip: Refactor the component match logic.

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Date:   Thu, 16 Mar 2017 10:07:20 +0800
From:   jeffy <jeffy.chen@...k-chips.com>
To:     Heiko Stuebner <heiko@...ech.de>
CC:     Mark Yao <mark.yao@...k-chips.com>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Guenter Roeck <groeck@...omium.org>,
        Brian Norris <briannorris@...omium.org>,
        Tomasz Figa <tfiga@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Sean Paul <seanpaul@...omium.org>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-rockchip@...ts.infradead.org,
        David Airlie <airlied@...ux.ie>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3] drm/rockchip: Refactor the component match logic.

Hi Heiko,

On 03/16/2017 01:00 AM, Heiko Stuebner wrote:
> Am Mittwoch, 15. März 2017, 18:20:47 CET schrieb Jeffy Chen:
>> Currently we are adding all components from the dts, if one of their
>> drivers been disabled, we would not be able to bring up others.
>>
>> Refactor component match logic, follow exynos drm.
>>
>> Signed-off-by: Jeffy Chen <jeffy.chen@...k-chips.com>
>> Reviewed-by: Andrzej Hajda <a.hajda@...sung.com>
>
> This reliably produces null pointer dereference errors in
> 	__platform_driver_register called from rockchip_drm_init
> on at least rk3036 and rk3288 (probably more) when applied on top of
> Linus' tree from today. Log attached and Rockchip drm compiled as module.
>
> I'm currently dug into other areas, so hadn't have time to investigate further
> yet.
>
>
> Heiko
>
oops, sorry, i'll upload a new version to fix that, thanx.