diff mbox

[v3,2/4] spapr_pci: encode class code including Prog IF register

Message ID 1430815398-24549-4-git-send-email-nikunj@linux.vnet.ibm.com
State New
Headers show

Commit Message

Nikunj A Dadhania May 5, 2015, 8:43 a.m. UTC 
Current code missed the Prog IF register. All Class Code, Subclass,
and Prog IF registers are needed to identify the accurate device type.

For example: USB controllers use the PROG IF for denoting: USB
FullSpeed, HighSpeed or SuperSpeed.

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
---
 hw/ppc/spapr_pci.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox

Patch

diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index b4f4242..821f82e 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -900,8 +900,7 @@  static int spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset,
     _FDT(fdt_setprop_cell(fdt, offset, "revision-id",
                           pci_default_read_config(dev, PCI_REVISION_ID, 1)));
     _FDT(fdt_setprop_cell(fdt, offset, "class-code",
-                          pci_default_read_config(dev, PCI_CLASS_DEVICE, 2)
-                            << 8));
+                          pci_default_read_config(dev, PCI_CLASS_PROG, 3)));
     if (pci_default_read_config(dev, PCI_INTERRUPT_PIN, 1)) {
         _FDT(fdt_setprop_cell(fdt, offset, "interrupts",
                  pci_default_read_config(dev, PCI_INTERRUPT_PIN, 1)));