Searched hist:"99 d09dd32820f5702031e3c08c81f8c209dc2220" (Results 1 – 3 of 3) sorted by relevance
| /openbmc/qemu/include/hw/acpi/ |
| H A D | pcihp.h | diff 99d09dd32820f5702031e3c08c81f8c209dc2220 Mon Feb 03 04:44:59 CST 2014 Igor Mammedov <imammedo@redhat.com> pcihp: make pci_read() mmio calback compatible with legacy ACPI hotplug
due to recent change introduced by:
"pcihp: reduce number of device check events"
'up' field is cleared right after it's read.
This is incompatible with legacy BIOS ACPI code
where PCNF ACPI method reads this field 32 times.
To make pci_read mmio callback compatible with legacy
'up' behavior, pcihp code will need to know in which
mode it runs add 'legacy_piix' field to AcpiPciHpState
structure and alter register behavior accordingly.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
|
| /openbmc/qemu/hw/acpi/ |
| H A D | pcihp.c | diff 99d09dd32820f5702031e3c08c81f8c209dc2220 Mon Feb 03 04:44:59 CST 2014 Igor Mammedov <imammedo@redhat.com> pcihp: make pci_read() mmio calback compatible with legacy ACPI hotplug
due to recent change introduced by:
"pcihp: reduce number of device check events"
'up' field is cleared right after it's read.
This is incompatible with legacy BIOS ACPI code
where PCNF ACPI method reads this field 32 times.
To make pci_read mmio callback compatible with legacy
'up' behavior, pcihp code will need to know in which
mode it runs add 'legacy_piix' field to AcpiPciHpState
structure and alter register behavior accordingly.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
|
| H A D | piix4.c | diff 99d09dd32820f5702031e3c08c81f8c209dc2220 Mon Feb 03 04:44:59 CST 2014 Igor Mammedov <imammedo@redhat.com> pcihp: make pci_read() mmio calback compatible with legacy ACPI hotplug
due to recent change introduced by:
"pcihp: reduce number of device check events"
'up' field is cleared right after it's read.
This is incompatible with legacy BIOS ACPI code
where PCNF ACPI method reads this field 32 times.
To make pci_read mmio callback compatible with legacy
'up' behavior, pcihp code will need to know in which
mode it runs add 'legacy_piix' field to AcpiPciHpState
structure and alter register behavior accordingly.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
|