[PATCH v11 2/2] drm/bridge: Add I2C based driver for ps8640 bridge

kbuild test robot lkp at intel.com
Tue Feb 23 08:27:20 UTC 2016

Hi Jitao,

[auto build test ERROR on drm/drm-next]
[also build test ERROR on v4.5-rc5 next-20160223]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Jitao-Shi/Documentation-bridge-Add-documentation-for-ps8640-DT-properties/20160223-153819
base:   git://people.freedesktop.org/~airlied/linux.git drm-next
config: i386-allmodconfig (attached as .config)
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/bridge/parade-ps8640.c: In function 'ps8640_bridge_attach':
>> drivers/gpu/drm/bridge/parade-ps8640.c:435:10: error: implicit declaration of function 'of_find_mipi_dsi_host_by_node' [-Werror=implicit-function-declaration]
      host = of_find_mipi_dsi_host_by_node(dsi_node);
   drivers/gpu/drm/bridge/parade-ps8640.c:435:8: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
      host = of_find_mipi_dsi_host_by_node(dsi_node);
   cc1: some warnings being treated as errors

vim +/of_find_mipi_dsi_host_by_node +435 drivers/gpu/drm/bridge/parade-ps8640.c

   429			if (in_ep) {
   430				dsi_node = of_graph_get_remote_port_parent(in_ep);
   431				of_node_put(in_ep);
   432			}
   433		}
   434		if (dsi_node) {
 > 435			host = of_find_mipi_dsi_host_by_node(dsi_node);
   436			of_node_put(dsi_node);
   437			if (!host)
   438				return -ENODEV;

0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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