linux-kernel - Re: [PATCH v4 2/2] drm/bridge: Add NWL MIPI DSI host controller support

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Date:   Mon, 2 Sep 2019 13:39:28 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Guido Günther <agx@...xcpu.org>
Cc:     kbuild-all@...org, "To : David Airlie" <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Lee Jones <lee.jones@...aro.org>,
        Guido Günther <agx@...xcpu.org>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Robert Chiras <robert.chiras@....com>,
        Sam Ravnborg <sam@...nborg.org>, Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v4 2/2] drm/bridge: Add NWL MIPI DSI host controller
 support

Hi "Guido,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[cannot apply to v5.3-rc6 next-20190830]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Guido-G-nther/dt-bindings-display-bridge-Add-binding-for-NWL-mipi-dsi-host-controller/20190901-114958
config: i386-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-11) 7.4.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> ERROR: "__udivdi3" [drivers/gpu/drm/bridge/nwl-dsi/nwl-mipi-dsi.ko] undefined!

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