Messages in this thread Patch in this message | | | From | Auke Kok <> | Subject | [PATCH] PCI: also read revision ID for sparc64, ppc, read class at the same time | Date | Sat, 09 Jun 2007 13:12:21 -0700 |
| |
Since the PCI bus class and revision are in the same dword, we can fill in both in the same read.
Other non-x86 arches use different methods to fill in these values, make sure to adjust those too.
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> ---
arch/powerpc/kernel/pci_64.c | 2 ++ arch/sparc64/kernel/pci.c | 1 + drivers/pci/probe.c | 4 +--- 3 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index 249cca2..b2c55ca 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 38a32bc..759cc20 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)); diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 0fdb71d..a574b7f 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -702,6 +702,7 @@ static int pci_setup_device(struct pci_dev * dev) dev->bus->number, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)); pci_read_config_dword(dev, PCI_CLASS_REVISION, &class); + dev->revision = class & 0xff; class >>= 8; /* upper 3 bytes */ dev->class = class; class >>= 8; @@ -918,9 +919,6 @@ pci_scan_device(struct pci_bus *bus, int devfn) dev->cfg_size = pci_cfg_space_size(dev); dev->error_state = pci_channel_io_normal; - /* read the PCI revision: 1 byte */ - pci_read_config_byte(dev, PCI_REVISION_ID, &dev->revision); - /* Assume 32-bit PCI; let 64-bit PCI cards (which are far rarer) set this higher, assuming the system even supports it. */ dev->dma_mask = 0xffffffff; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |