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SubjectRe: [PATCH v8 2/2] drm/bridge: Add I2C based driver for ps8640 bridge
Hi Jitao,

[auto build test ERROR on drm/drm-next]
[also build test ERROR on v4.5-rc2 next-20160129]
[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/20160201-121553
base: git://people.freedesktop.org/~airlied/linux.git drm-next
config: x86_64-allmodconfig (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All error/warnings (new ones prefixed by >>):

drivers/gpu/drm/bridge/parade-ps8640.c: In function 'ps8640_bridge_attach':
>> drivers/gpu/drm/bridge/parade-ps8640.c:400:10: 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:400:8: 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 +400 drivers/gpu/drm/bridge/parade-ps8640.c

394 if (in_ep) {
395 dsi_node = of_graph_get_remote_port_parent(in_ep);
396 of_node_put(in_ep);
397 }
398 }
399 if (dsi_node) {
> 400 host = of_find_mipi_dsi_host_by_node(dsi_node);
401 of_node_put(dsi_node);
402 if (!host)
403 return -ENODEV;

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