linux-kernel - Re: [PATCH 2/3 v2] PCI: s32g: Add initial PCIe support (RC)

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Message-ID: <202509221101.JBhoJaEX-lkp@intel.com>
Date: Mon, 22 Sep 2025 12:07:21 +0800
From: kernel test robot <lkp@...el.com>
To: Vincent Guittot <vincent.guittot@...aro.org>, chester62515@...il.com,
	mbrugger@...e.com, ghennadi.procopciuc@....nxp.com, s32@....com,
	bhelgaas@...gle.com, jingoohan1@...il.com, lpieralisi@...nel.org,
	kwilczynski@...nel.org, mani@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, Ionut.Vicovan@....com,
	larisa.grigore@....com, Ghennadi.Procopciuc@....com,
	ciprianmarian.costea@....com, bogdan.hamciuc@....com,
	Frank.li@....com, linux-arm-kernel@...ts.infradead.org,
	linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, imx@...ts.linux.dev
Cc: oe-kbuild-all@...ts.linux.dev, cassel@...nel.org
Subject: Re: [PATCH 2/3 v2] PCI: s32g: Add initial PCIe support (RC)

Hi Vincent,

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 v6.17-rc7 next-20250919]
[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/Vincent-Guittot/PCI-s32g-Add-initial-PCIe-support-RC/20250920-005919
base:   https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next
patch link:    https://lore.kernel.org/r/20250919155821.95334-3-vincent.guittot%40linaro.org
patch subject: [PATCH 2/3 v2] PCI: s32g: Add initial PCIe support (RC)
config: openrisc-randconfig-r132-20250922 (https://download.01.org/0day-ci/archive/20250922/202509221101.JBhoJaEX-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250922/202509221101.JBhoJaEX-lkp@intel.com/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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202509221101.JBhoJaEX-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/pci/controller/dwc/pcie-s32g.c:133:20: sparse: sparse: symbol 's32g_pcie_ops' was not declared. Should it be static?
   drivers/pci/controller/dwc/pcie-s32g.c: note: in included file (through drivers/pci/controller/dwc/pcie-designware.h):
>> drivers/pci/controller/dwc/../../pci.h:632:17: sparse: sparse: cast from restricted pci_channel_state_t
>> drivers/pci/controller/dwc/../../pci.h:632:17: sparse: sparse: cast to restricted pci_channel_state_t
   drivers/pci/controller/dwc/../../pci.h:635:23: sparse: sparse: cast from restricted pci_channel_state_t
   drivers/pci/controller/dwc/../../pci.h:635:23: sparse: sparse: cast from restricted pci_channel_state_t
   drivers/pci/controller/dwc/../../pci.h:635:23: sparse: sparse: cast to restricted pci_channel_state_t
   drivers/pci/controller/dwc/../../pci.h:639:23: sparse: sparse: cast from restricted pci_channel_state_t
   drivers/pci/controller/dwc/../../pci.h:639:23: sparse: sparse: cast from restricted pci_channel_state_t
   drivers/pci/controller/dwc/../../pci.h:639:23: sparse: sparse: cast to restricted pci_channel_state_t

vim +/s32g_pcie_ops +133 drivers/pci/controller/dwc/pcie-s32g.c

   132	
 > 133	struct dw_pcie_ops s32g_pcie_ops = {
   134		.get_ltssm = s32g_pcie_get_ltssm,
   135		.link_up = s32g_pcie_link_up,
   136		.start_link = s32g_pcie_start_link,
   137		.stop_link = s32g_pcie_stop_link,
   138	};
   139	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki