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authorRobert Watson <rwatson@FreeBSD.org>2007-02-08 14:33:07 +0000
committerRobert Watson <rwatson@FreeBSD.org>2007-02-08 14:33:07 +0000
commit7222b4026531269de287190ed6668294d3c14b26 (patch)
treead56c4358c829377e9d843347ea6344b987327c9 /sys/dev/pci
parent6a000036fc0e9d94dc2070637311fa6f082d2407 (diff)
Notes
Diffstat (limited to 'sys/dev/pci')
-rw-r--r--sys/dev/pci/pci.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c
index 7ef07e2ced8f..63a7534f1893 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. */