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freebsd-dev/sys/dev/pci
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John Baldwin 138e8d08b0 Relax the check for a PCI-express chipset by assuming the system is a 
PCI-express chipset (and thus has functional MSI) if there are any
PCI-express devices in the system, not requiring a root port device.

With PCI-X the chipset detection has to be very conservative because there
are known systems with PCI-X devices that do not appear to have PCI-X
chipsets.  However, with PCI-express I'm not sure it is possible to have
a PCI-express device in a system with a non-PCI-express chipset.  If we
assume that is the case then this change is valid.  It is also required
for at least some PCI-express systems that don't have any devices with
a root port capability (some ICH9 systems).

MFC after:	1 week
Reported by:	jfv
2008-02-01 20:31:09 +00:00
..
eisa_pci.c
fixup_pci.c Workaround a hang on some nForce2 systems that can happen if the CPU goes 2006-05-24 14:08:31 +00:00
hostb_pci.c Move the hostb driver out of the i386 and amd64 PCI code (where it was 2005-12-20 21:09:45 +00:00
ignore_pci.c
isa_pci.c Don't save and restore the ELCR register across suspend and resume for 2005-09-29 15:00:09 +00:00
pci_if.m Revamp the MSI/MSI-X code a bit to achieve two main goals: 2007-05-02 17:50:36 +00:00
pci_pci.c Make the PCI code aware of PCI domains (aka PCI segments) so we can 2007-09-30 11:05:18 +00:00
pci_private.h Make the PCI code aware of PCI domains (aka PCI segments) so we can 2007-09-30 11:05:18 +00:00
pci_user.c Don't cache the new-bus name of a PCI device in the PCI conf structure, 2008-01-15 21:40:46 +00:00
pci.c Relax the check for a PCI-express chipset by assuming the system is a 2008-02-01 20:31:09 +00:00
pcib_if.m Revamp the MSI/MSI-X code a bit to achieve two main goals: 2007-05-02 17:50:36 +00:00
pcib_private.h Make the PCI code aware of PCI domains (aka PCI segments) so we can 2007-09-30 11:05:18 +00:00
pcireg.h - Fix a small bit slip in PCIM_PCAP_D[0-2]PME defines. 2007-09-19 13:05:58 +00:00
pcivar.h Make the PCI code aware of PCI domains (aka PCI segments) so we can 2007-09-30 11:05:18 +00:00
vga_pci.c Don't add an agp child in vgapci's attach routine if the PCIY_AGP 2006-02-01 15:45:29 +00:00