* [pci:pm 2/2] arch/x86/pci/fixup.c:929:6: error: use of undeclared identifier 'pm_suspend_target_state'
@ 2023-10-06 10:32 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-10-06 10:32 UTC (permalink / raw)
To: Mario Limonciello; +Cc: llvm, oe-kbuild-all, linux-pci, Bjorn Helgaas
tree: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git pm
head: 624306d2c241c274e498619cabc2ae1dc7112ad1
commit: 624306d2c241c274e498619cabc2ae1dc7112ad1 [2/2] x86/PCI: Avoid PME from D3hot/D3cold for AMD Rembrandt and Phoenix USB4
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20231006/202310061830.A7jaXxeG-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231006/202310061830.A7jaXxeG-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202310061830.A7jaXxeG-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/x86/pci/fixup.c:929:6: error: use of undeclared identifier 'pm_suspend_target_state'
if (pm_suspend_target_state == PM_SUSPEND_ON)
^
>> arch/x86/pci/fixup.c:929:33: error: use of undeclared identifier 'PM_SUSPEND_ON'
if (pm_suspend_target_state == PM_SUSPEND_ON)
^
>> arch/x86/pci/fixup.c:951:20: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
rp->pme_support = FIELD_GET(PCI_PM_CAP_PME_MASK, pmc);
^
3 errors generated.
vim +/pm_suspend_target_state +929 arch/x86/pci/fixup.c
907
908 #ifdef CONFIG_SUSPEND
909 /*
910 * Root Ports on some AMD SoCs advertise PME_Support for D3hot and D3cold, but
911 * if the SoC is put into a hardware sleep state by the amd-pmc driver, the
912 * Root Ports don't generate wakeup interrupts for USB devices.
913 *
914 * When suspending, remove D3hot and D3cold from the PME_Support advertised
915 * by the Root Port so we don't use those states if we're expecting wakeup
916 * interrupts. Restore the advertised PME_Support when resuming.
917 */
918 static void amd_rp_pme_suspend(struct pci_dev *dev)
919 {
920 struct pci_dev *rp;
921
922 /*
923 * PM_SUSPEND_ON means we're doing runtime suspend, which means
924 * amd-pmc will not be involved so PMEs during D3 work as advertised.
925 *
926 * The PMEs *do* work if amd-pmc doesn't put the SoC in the hardware
927 * sleep state, but we assume amd-pmc is always present.
928 */
> 929 if (pm_suspend_target_state == PM_SUSPEND_ON)
930 return;
931
932 rp = pcie_find_root_port(dev);
933 if (!rp->pm_cap)
934 return;
935
936 rp->pme_support &= ~((PCI_PM_CAP_PME_D3hot|PCI_PM_CAP_PME_D3cold) >>
937 PCI_PM_CAP_PME_SHIFT);
938 dev_info_once(&rp->dev, "quirk: disabling D3cold for suspend\n");
939 }
940
941 static void amd_rp_pme_resume(struct pci_dev *dev)
942 {
943 struct pci_dev *rp;
944 u16 pmc;
945
946 rp = pcie_find_root_port(dev);
947 if (!rp->pm_cap)
948 return;
949
950 pci_read_config_word(rp, rp->pm_cap + PCI_PM_PMC, &pmc);
> 951 rp->pme_support = FIELD_GET(PCI_PM_CAP_PME_MASK, pmc);
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2023-10-06 10:32 [pci:pm 2/2] arch/x86/pci/fixup.c:929:6: error: use of undeclared identifier 'pm_suspend_target_state' kernel test robot
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