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Date: Tue, 12 Jul 2022 15:35:06 +0800
From: Yujie Liu <yujie.liu@...el.com>
To: Christophe Leroy <christophe.leroy@...roup.eu>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
"Michael Ellerman" <mpe@...erman.id.au>
CC: <kbuild-all@...ts.01.org>, <linuxppc-dev@...ts.ozlabs.org>,
"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 3/4] powerpc: Remove asm/prom.h from asm/mpc52xx.h and
asm/pci.h
Hi Christophe,
Thanks for your patch! Perhaps something to improve:
[auto build test WARNING on powerpc/next]
[also build test WARNING 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-randconfig-s032-20220707 (https://download.01.org/0day-ci/archive/20220708/202207080257.3FTiq7CK-lkp@intel.com/config)
compiler: powerpc-linux-gcc (GCC) 11.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# 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 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' 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 <yujie.liu@...el.com>
All warnings (new ones prefixed by >>):
>> arch/powerpc/kernel/prom.c:891:5: warning: no previous prototype for 'of_get_ibm_chip_id' [-Wmissing-prototypes]
891 | int of_get_ibm_chip_id(struct device_node *np)
| ^~~~~~~~~~~~~~~~~~
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
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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