linux-kernel - Re: [PATCH v2 06/34] drm/of: Add a drm_of_aggregate

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Message-ID: <202110070654.gwVBEv9k-lkp@intel.com>
Date:   Thu, 7 Oct 2021 06:36:14 +0800
From:   kernel test robot <lkp@...el.com>
To:     Stephen Boyd <swboyd@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Rob Clark <robdclark@...il.com>,
        Russell King <rmk+kernel@....linux.org.uk>
Subject: Re: [PATCH v2 06/34] drm/of: Add a drm_of_aggregate_probe() API

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@...el.com>

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@lists.01.org

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