diff options
| -rw-r--r-- | arch/x86/pci/fixup.c | 2 | ||||
| -rw-r--r-- | drivers/pci/probe.c | 33 | ||||
| -rw-r--r-- | include/linux/pci.h | 2 |
3 files changed, 19 insertions, 18 deletions
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c index b60b2abd480c..ff3a6a336342 100644 --- a/arch/x86/pci/fixup.c +++ b/arch/x86/pci/fixup.c | |||
| @@ -502,7 +502,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SIEMENS, 0x0015, | |||
| 502 | */ | 502 | */ |
| 503 | static void fam10h_pci_cfg_space_size(struct pci_dev *dev) | 503 | static void fam10h_pci_cfg_space_size(struct pci_dev *dev) |
| 504 | { | 504 | { |
| 505 | dev->cfg_size = pci_cfg_space_size_ext(dev, 0); | 505 | dev->cfg_size = pci_cfg_space_size_ext(dev); |
| 506 | } | 506 | } |
| 507 | 507 | ||
| 508 | DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x1200, fam10h_pci_cfg_space_size); | 508 | DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x1200, fam10h_pci_cfg_space_size); |
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 4a55bf380957..3706ce7972dd 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c | |||
| @@ -842,13 +842,25 @@ static void set_pcie_port_type(struct pci_dev *pdev) | |||
| 842 | * reading the dword at 0x100 which must either be 0 or a valid extended | 842 | * reading the dword at 0x100 which must either be 0 or a valid extended |
| 843 | * capability header. | 843 | * capability header. |
| 844 | */ | 844 | */ |
| 845 | int pci_cfg_space_size_ext(struct pci_dev *dev, unsigned check_exp_pcix) | 845 | int pci_cfg_space_size_ext(struct pci_dev *dev) |
| 846 | { | 846 | { |
| 847 | int pos; | ||
| 848 | u32 status; | 847 | u32 status; |
| 849 | 848 | ||
| 850 | if (!check_exp_pcix) | 849 | if (pci_read_config_dword(dev, 256, &status) != PCIBIOS_SUCCESSFUL) |
| 851 | goto skip; | 850 | goto fail; |
| 851 | if (status == 0xffffffff) | ||
| 852 | goto fail; | ||
| 853 | |||
| 854 | return PCI_CFG_SPACE_EXP_SIZE; | ||
| 855 | |||
| 856 | fail: | ||
| 857 | return PCI_CFG_SPACE_SIZE; | ||
| 858 | } | ||
| 859 | |||
| 860 | int pci_cfg_space_size(struct pci_dev *dev) | ||
| 861 | { | ||
| 862 | int pos; | ||
| 863 | u32 status; | ||
| 852 | 864 | ||
| 853 | pos = pci_find_capability(dev, PCI_CAP_ID_EXP); | 865 | pos = pci_find_capability(dev, PCI_CAP_ID_EXP); |
| 854 | if (!pos) { | 866 | if (!pos) { |
| @@ -861,23 +873,12 @@ int pci_cfg_space_size_ext(struct pci_dev *dev, unsigned check_exp_pcix) | |||
| 861 | goto fail; | 873 | goto fail; |
| 862 | } | 874 | } |
| 863 | 875 | ||
| 864 | skip: | 876 | return pci_cfg_space_size_ext(dev); |
| 865 | if (pci_read_config_dword(dev, 256, &status) != PCIBIOS_SUCCESSFUL) | ||
| 866 | goto fail; | ||
| 867 | if (status == 0xffffffff) | ||
| 868 | goto fail; | ||
| 869 | |||
| 870 | return PCI_CFG_SPACE_EXP_SIZE; | ||
| 871 | 877 | ||
| 872 | fail: | 878 | fail: |
| 873 | return PCI_CFG_SPACE_SIZE; | 879 | return PCI_CFG_SPACE_SIZE; |
| 874 | } | 880 | } |
| 875 | 881 | ||
| 876 | int pci_cfg_space_size(struct pci_dev *dev) | ||
| 877 | { | ||
| 878 | return pci_cfg_space_size_ext(dev, 1); | ||
| 879 | } | ||
| 880 | |||
| 881 | static void pci_release_bus_bridge_dev(struct device *dev) | 882 | static void pci_release_bus_bridge_dev(struct device *dev) |
| 882 | { | 883 | { |
| 883 | kfree(dev); | 884 | kfree(dev); |
diff --git a/include/linux/pci.h b/include/linux/pci.h index a59517b4930f..509159bcd4e7 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h | |||
| @@ -667,7 +667,7 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, | |||
| 667 | 667 | ||
| 668 | void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *), | 668 | void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *), |
| 669 | void *userdata); | 669 | void *userdata); |
| 670 | int pci_cfg_space_size_ext(struct pci_dev *dev, unsigned check_exp_pcix); | 670 | int pci_cfg_space_size_ext(struct pci_dev *dev); |
| 671 | int pci_cfg_space_size(struct pci_dev *dev); | 671 | int pci_cfg_space_size(struct pci_dev *dev); |
| 672 | unsigned char pci_bus_max_busnr(struct pci_bus *bus); | 672 | unsigned char pci_bus_max_busnr(struct pci_bus *bus); |
| 673 | 673 | ||
