From: kernel test robot <lkp@intel.com>
To: Hans Zhang <18255117159@163.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
Manivannan Sadhasivam <mani@kernel.org>
Subject: drivers/pci/controller/cadence/pcie-cadence-debugfs.c:230:46: sparse: sparse: mixing different enum types:
Date: Tue, 25 Aug 2026 22:03:18 +0800 [thread overview]
Message-ID: <202608252156.pgYqaJww-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 66498c75b4f8017f62d720d9b59675bdf3abce91
commit: d70e964dc099821f6c159d8f40aa7be2c62ecfd2 PCI: cadence: Add LGA IP debugfs for LTSSM status
date: 6 weeks ago
config: sparc-randconfig-r133-20260825 (https://download.01.org/0day-ci/archive/20260825/202608252156.pgYqaJww-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 15.2.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260825/202608252156.pgYqaJww-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
| Fixes: d70e964dc099 ("PCI: cadence: Add LGA IP debugfs for LTSSM status")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202608252156.pgYqaJww-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/pci/controller/cadence/pcie-cadence-debugfs.c:230:46: sparse: sparse: mixing different enum types:
drivers/pci/controller/cadence/pcie-cadence-debugfs.c:230:46: sparse: unsigned int enum cdns_pcie_hpa_ltssm
drivers/pci/controller/cadence/pcie-cadence-debugfs.c:230:46: sparse: unsigned int enum cdns_pcie_lga_ltssm
vim +230 drivers/pci/controller/cadence/pcie-cadence-debugfs.c
209
210 static int ltssm_status_show(struct seq_file *s, void *v)
211 {
212 struct cdns_pcie *pci = s->private;
213 enum cdns_pcie_lga_ltssm lga_ltssm;
214 enum cdns_pcie_hpa_ltssm hpa_ltssm;
215 const char *str_ltssm;
216 u32 val;
217
218 if (pci->is_hpa) {
219 val = cdns_pcie_hpa_readl(pci, REG_BANK_IP_REG,
220 CDNS_PCIE_HPA_PHY_DBG_STS_REG0);
221 hpa_ltssm = FIELD_GET(CDNS_PCIE_HPA_LTSSM_STATUS_MASK, val);
222 str_ltssm = cdns_pcie_hpa_ltssm_status_string(hpa_ltssm);
223 } else {
224 val = cdns_pcie_readl(pci, CDNS_PCIE_LM_BASE);
225 lga_ltssm = FIELD_GET(CDNS_PCIE_LGA_LTSSM_STATUS_MASK, val);
226 str_ltssm = cdns_pcie_lga_ltssm_status_string(lga_ltssm);
227 }
228
229 seq_printf(s, "%s (0x%02x)\n", str_ltssm,
> 230 pci->is_hpa ? hpa_ltssm : lga_ltssm);
231
232 return 0;
233 }
234
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-08-25 14:04 UTC|newest]
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