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authorAndrew Patterson <andrew.patterson@hp.com>2008-11-11 01:30:50 +0300
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-01-07 22:12:28 +0300
commit0ef5f8f6159e44b4faa997be08d1a3bcbf44ad08 (patch)
tree0753c27a1eb2f5802501e60d575f01fe6edccc2f /drivers/pci/pcie/aspm.c
parent990a7ac5645883a833a11b900bb6f25b65dea65b (diff)
downloadlinux-0ef5f8f6159e44b4faa997be08d1a3bcbf44ad08.tar.xz
ACPI/PCI: PCI extended config _OSC support called when root bridge added
The _OSC capability OSC_EXT_PCI_CONFIG_SUPPORT is set when the root bridge is added with pci_acpi_osc_support() if we can access PCI extended config space. This adds the function pci_ext_cfg_avail which returns true if we can access PCI extended config space (offset greater than 0xff). It currently only returns false if arch=x86 and raw_pci_ext_ops is not set (which might happen if pci=nommcfg is set on the kernel command-line). Signed-off-by: Andrew Patterson <andrew.patterson@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/pcie/aspm.c')
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