[PATCH v2 3/4] powerpc: Remove asm/prom.h from asm/mpc52xx.h and asm/pci.h

[kernel test robot]

Hi Christophe,

I love your patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on mkp-scsi/for-next jejb-scsi/for-next linus/master v5.19-rc5 next-20220707]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Christophe-Leroy/video-fbdev-offb-Include-missing-linux-platform_device-h/20220707-222906
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-allnoconfig (https://download.01.org/0day-ci/archive/20220708/202207080212.NBrIIaUw-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 11.3.0
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/intel-lab-lkp/linux/commit/0e553b9abdcfd7c1f63b072e9d9280ce759c0c3c
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Christophe-Leroy/video-fbdev-offb-Include-missing-linux-platform_device-h/20220707-222906
        git checkout 0e553b9abdcfd7c1f63b072e9d9280ce759c0c3c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/kernel/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

>> arch/powerpc/kernel/prom.c:891:5: error: no previous prototype for 'of_get_ibm_chip_id' [-Werror=missing-prototypes]
     891 | int of_get_ibm_chip_id(struct device_node *np)
         |     ^~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/of_get_ibm_chip_id +891 arch/powerpc/kernel/prom.c

b27652dd2174df1 Kevin Hao              2013-12-24  871  
9b6b563c0d2d25e Paul Mackerras         2005-10-06  872  /*******
9b6b563c0d2d25e Paul Mackerras         2005-10-06  873   *
9b6b563c0d2d25e Paul Mackerras         2005-10-06  874   * New implementation of the OF "find" APIs, return a refcounted
9b6b563c0d2d25e Paul Mackerras         2005-10-06  875   * object, call of_node_put() when done.  The device tree and list
9b6b563c0d2d25e Paul Mackerras         2005-10-06  876   * are protected by a rw_lock.
9b6b563c0d2d25e Paul Mackerras         2005-10-06  877   *
9b6b563c0d2d25e Paul Mackerras         2005-10-06  878   * Note that property management will need some locking as well,
9b6b563c0d2d25e Paul Mackerras         2005-10-06  879   * this isn't dealt with yet.
9b6b563c0d2d25e Paul Mackerras         2005-10-06  880   *
9b6b563c0d2d25e Paul Mackerras         2005-10-06  881   *******/
9b6b563c0d2d25e Paul Mackerras         2005-10-06  882  
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  883  /**
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  884   * of_get_ibm_chip_id - Returns the IBM "chip-id" of a device
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  885   * @np: device node of the device
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  886   *
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  887   * This looks for a property "ibm,chip-id" in the node or any
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  888   * of its parents and returns its content, or -1 if it cannot
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  889   * be found.
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  890   */
b37193b71846858 Benjamin Herrenschmidt 2013-07-15 @891  int of_get_ibm_chip_id(struct device_node *np)
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  892  {
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  893  	of_node_get(np);
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  894  	while (np) {
1856f50c66dff0a Christophe Jaillet     2015-10-16  895  		u32 chip_id;
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  896  
1856f50c66dff0a Christophe Jaillet     2015-10-16  897  		/*
1856f50c66dff0a Christophe Jaillet     2015-10-16  898  		 * Skiboot may produce memory nodes that contain more than one
1856f50c66dff0a Christophe Jaillet     2015-10-16  899  		 * cell in chip-id, we only read the first one here.
1856f50c66dff0a Christophe Jaillet     2015-10-16  900  		 */
1856f50c66dff0a Christophe Jaillet     2015-10-16  901  		if (!of_property_read_u32(np, "ibm,chip-id", &chip_id)) {
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  902  			of_node_put(np);
1856f50c66dff0a Christophe Jaillet     2015-10-16  903  			return chip_id;
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  904  		}
16c1d606263ea37 Michael Ellerman       2015-10-26  905  
16c1d606263ea37 Michael Ellerman       2015-10-26  906  		np = of_get_next_parent(np);
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  907  	}
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  908  	return -1;
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  909  }
b130e7c04f1130f Dan Streetman          2015-05-07  910  EXPORT_SYMBOL(of_get_ibm_chip_id);
b37193b71846858 Benjamin Herrenschmidt 2013-07-15  911  

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