Commit 4a7c3474 authored by Nikunj A Dadhania's avatar Nikunj A Dadhania Committed by Alexander Graf
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spapr_pci: encode class code including Prog IF register 



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: default avatarNikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: default avatarThomas Huth <thuth@redhat.com>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
parent 72187935

hw/ppc/spapr_pci.c

+1 −2
Original line number Diff line number Diff line
@@ -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)));