Re: [PATCH V1 2/2] PCI: Add support for "preserve-boot-config" property

From: kernel test robot
Date: Tue Jan 09 2024 - 21:25:26 EST


Hi Vidya,

kernel test robot noticed the following build warnings:

[auto build test WARNING on pci/next]
[also build test WARNING on pci/for-linus linus/master v6.7 next-20240109]
[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/Vidya-Sagar/dt-bindings-Add-PCIe-preserve-boot-config-property/20240109-130938
base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link: https://lore.kernel.org/r/20240109050648.1347255-3-vidyas%40nvidia.com
patch subject: [PATCH V1 2/2] PCI: Add support for "preserve-boot-config" property
config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20240110/202401101015.Dch3YIjG-lkp@xxxxxxxxx/config)
compiler: arc-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240110/202401101015.Dch3YIjG-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401101015.Dch3YIjG-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/pci/of.c:271: warning: Function parameter or struct member 'node' not described in 'of_pci_check_preserve_boot_config'


vim +271 drivers/pci/of.c

260
261 /**
262 * of_pci_check_preserve_boot_config - Return true if the boot configuration
263 * needs to be preserved
264 *
265 * This function looks for a property called "preserve-boot-config" for a given
266 * PCIe controller's node and returns true if found. Having this property
267 * for a PCIe controller ensures that the kernel doesn't re-enumerate and
268 * reconfigure the BAR resources that are already done by the platform firmware.
269 */
270 bool of_pci_check_preserve_boot_config(struct device_node *node)
> 271 {
272 return of_property_read_bool(node, "preserve-boot-config");
273 }
274 EXPORT_SYMBOL_GPL(of_pci_check_preserve_boot_config);
275

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