diff options
Diffstat (limited to 'sys/dev/pci/pci.c')
| -rw-r--r-- | sys/dev/pci/pci.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c index 7ef07e2..63a7534 100644 --- a/sys/dev/pci/pci.c +++ b/sys/dev/pci/pci.c @@ -244,6 +244,11 @@ SYSCTL_INT(_hw_pci, OID_AUTO, do_power_resume, CTLFLAG_RW, &pci_do_power_resume, 1, "Transition from D3 -> D0 on resume."); +static int pci_do_vpd = 1; +TUNABLE_INT("hw.pci.enable_vpd", &pci_do_vpd); +SYSCTL_INT(_hw_pci, OID_AUTO, enable_vpd, CTLFLAG_RW, &pci_do_vpd, 1, + "Enable support for VPD."); + static int pci_do_msi = 1; TUNABLE_INT("hw.pci.enable_msi", &pci_do_msi); SYSCTL_INT(_hw_pci, OID_AUTO, enable_msi, CTLFLAG_RW, &pci_do_msi, 1, @@ -568,8 +573,10 @@ pci_read_extcap(device_t pcib, pcicfgregs *cfg) cfg->msix.msix_pba_offset = val & ~PCIM_MSIX_BIR_MASK; break; case PCIY_VPD: /* PCI Vital Product Data */ - cfg->vpd.vpd_reg = ptr; - pci_read_vpd(pcib, cfg); + if (pci_do_vpd) { + cfg->vpd.vpd_reg = ptr; + pci_read_vpd(pcib, cfg); + } break; case PCIY_SUBVENDOR: /* Should always be true. */ |
