[22/24] drm/bridge: remove the .of_node member

Commit Message

Peter Rosin April 30, 2018, 11:14 a.m. UTC

On 2018-04-28 10:09, kbuild test robot wrote:
> Hi Peter,
> 
> I love your patch! Yet something to improve:
> 
> [auto build test ERROR on v4.17-rc2]
> [also build test ERROR on next-20180426]
> [cannot apply to drm/drm-next robclark/msm-next drm-exynos/exynos-drm/for-next]
> [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/Peter-Rosin/device-link-bridge-supplier-drm-device/20180428-135229
> config: arm-allmodconfig (attached as .config)
> compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
> reproduce:
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         make.cross ARCH=arm 
> 
> All errors (new ones prefixed by >>):
> 
>    drivers/gpu//drm/rockchip/rockchip_lvds.c: In function 'rockchip_lvds_bind':
>>> drivers/gpu//drm/rockchip/rockchip_lvds.c:381:24: error: 'struct drm_bridge' has no member named 'of_node'
>       remote = lvds->bridge->of_node;
>                            ^~
> 
> vim +381 drivers/gpu//drm/rockchip/rockchip_lvds.c

Ugh.

So, patch 1/24 needs to be amended with this



But that is of course just a stop-gap. The real fix is to adapt to the
"drm: bridge: Add support for static image formats​" series from Jacopo.
But that's orthogonal.

Cheers,
Peter
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Patch

diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/rockchip/rockchip_lvds.c
index e67f4ea28c0e..3f33034b3f58 100644
--- a/drivers/gpu/drm/rockchip/rockchip_lvds.c
+++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c
@@ -377,8 +377,10 @@  static int rockchip_lvds_bind(struct device *dev, struct device *master,
        }
        if (lvds->panel)
                remote = lvds->panel->dev->of_node;
-       else
+       else if (lvds->bridge->of_node)
                remote = lvds->bridge->of_node;
+       else
+               remote = lvds->bridge->owner->of_node;
        if (of_property_read_string(dev->of_node, "rockchip,output", &name))
                /* default set it as output rgb */
                lvds->output = DISPLAY_OUTPUT_RGB;


and patch 22/24 with this

diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/rockchip/rockchip_lvds.c
index 3f33034b3f58..8c82fa647536 100644
--- a/drivers/gpu/drm/rockchip/rockchip_lvds.c
+++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c
@@ -377,8 +377,6 @@  static int rockchip_lvds_bind(struct device *dev, struct device *master,
        }
        if (lvds->panel)
                remote = lvds->panel->dev->of_node;
-       else if (lvds->bridge->of_node)
-               remote = lvds->bridge->of_node;
        else
                remote = lvds->bridge->owner->of_node;
        if (of_property_read_string(dev->of_node, "rockchip,output", &name))