Re: [PATCH v2 06/34] drm/of: Add a drm_of_aggregate_probe() API

From: kernel test robot
Date: Wed Oct 06 2021 - 18:37:24 EST


Hi Stephen,

I love your patch! Perhaps something to improve:

[auto build test WARNING on e4e737bb5c170df6135a127739a9e6148ee3da82]

url: https://github.com/0day-ci/linux/commits/Stephen-Boyd/component-Make-into-an-aggregate-bus/20211007-034200
base: e4e737bb5c170df6135a127739a9e6148ee3da82
config: s390-randconfig-r044-20211006 (attached as .config)
compiler: s390-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/0day-ci/linux/commit/8de4fafdac42c316be0fc23e4176e13043031a38
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Stephen-Boyd/component-Make-into-an-aggregate-bus/20211007-034200
git checkout 8de4fafdac42c316be0fc23e4176e13043031a38
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=s390 SHELL=/bin/bash drivers/gpu/drm/bridge/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

In file included from drivers/gpu/drm/bridge/chipone-icn6211.c:7:
>> include/drm/drm_of.h:45:35: warning: 'struct aggregate_driver' declared inside parameter list will not be visible outside of this definition or declaration
45 | struct aggregate_driver *adrv);
| ^~~~~~~~~~~~~~~~


vim +45 include/drm/drm_of.h

30
31 #ifdef CONFIG_OF
32 uint32_t drm_of_crtc_port_mask(struct drm_device *dev,
33 struct device_node *port);
34 uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
35 struct device_node *port);
36 void drm_of_component_match_add(struct device *master,
37 struct component_match **matchptr,
38 int (*compare)(struct device *, void *),
39 struct device_node *node);
40 int drm_of_component_probe(struct device *dev,
41 int (*compare_of)(struct device *, void *),
42 const struct component_master_ops *m_ops);
43 int drm_of_aggregate_probe(struct device *dev,
44 int (*compare_of)(struct device *, void *),
> 45 struct aggregate_driver *adrv);
46 int drm_of_encoder_active_endpoint(struct device_node *node,
47 struct drm_encoder *encoder,
48 struct of_endpoint *endpoint);
49 int drm_of_find_panel_or_bridge(const struct device_node *np,
50 int port, int endpoint,
51 struct drm_panel **panel,
52 struct drm_bridge **bridge);
53 int drm_of_lvds_get_dual_link_pixel_order(const struct device_node *port1,
54 const struct device_node *port2);
55 #else
56 static inline uint32_t drm_of_crtc_port_mask(struct drm_device *dev,
57 struct device_node *port)
58 {
59 return 0;
60 }
61

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip