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 | ||