PCI: read revision ID by default

Currently there are 97 occurrences where drivers need the pci
revision ID. We can do this once for all devices. Even the pci
subsystem needs the revision several times for quirks. The extra
u8 member pads out nicely in the pci_dev struct.

Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 3 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 96d393c2da0..e3009a43ac5 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -367,8 +367,10 @@ struct pci_dev *of_create_pci_dev(struct device_node *node,
         sprintf(pci_name(dev), "%04x:%02x:%02x.%d", pci_domain_nr(bus),
                 dev->bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn));
         dev->class = get_int_prop(node, "class-code", 0);
+        dev->revision = get_int_prop(node, "revision-id", 0);
 
         DBG("    class: 0x%x\n", dev->class);
+        DBG("    revision: 0x%x\n", dev->revision);
 
         dev->current_state = 4;         /* unknown power state */
         dev->error_state = pci_channel_io_normal;
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 81f4a5ea05f..55ad1b899bb 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -448,6 +448,7 @@ struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
                  */
                 pci_read_config_dword(dev, PCI_CLASS_REVISION, &class);
                 dev->class = class >> 8;
+                dev->revision = class & 0xff;
 
                 sprintf(pci_name(dev), "%04x:%02x:%02x.%d", pci_domain_nr(bus),
                         dev->bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn));