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author | Bjorn Helgaas <bhelgaas@google.com> | 2013-08-27 11:10:02 -0600 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2013-08-28 11:28:10 -0600 |
commit | 1b121c24dd4a9bb7156f10c7da3f39515a9fa6f0 (patch) | |
tree | 3a93414987bf0ae4b71162c7565b68e6068dbc52 /include/uapi/linux/pci_regs.h | |
parent | fbf501c347b2eea8451a615bd823b6b91a1a8eed (diff) | |
download | op-kernel-dev-1b121c24dd4a9bb7156f10c7da3f39515a9fa6f0.zip op-kernel-dev-1b121c24dd4a9bb7156f10c7da3f39515a9fa6f0.tar.gz |
PCI: Remove obsolete comment reference to pci_pcie_cap2()
pci_pcie_cap2() was replaced by pcie_capability_read_word() and similar
functions, so update the comment.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'include/uapi/linux/pci_regs.h')
-rw-r--r-- | include/uapi/linux/pci_regs.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index 5bb33f4..591bb3b 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -544,10 +544,12 @@ #define PCI_EXP_RTSTA_PME 0x10000 /* PME status */ #define PCI_EXP_RTSTA_PENDING 0x20000 /* PME pending */ /* - * Note that the following PCI Express 'Capability Structure' registers - * were introduced with 'Capability Version' 0x2 (v2). These registers - * do not exist on devices with Capability Version 1. Use pci_pcie_cap2() - * to use these fields safely. + * The Device Capabilities 2, Device Status 2, Device Control 2, + * Link Capabilities 2, Link Status 2, Link Control 2, + * Slot Capabilities 2, Slot Status 2, and Slot Control 2 registers + * are only present on devices with PCIe Capability version 2. + * Use pcie_capability_read_word() and similar interfaces to use them + * safely. */ #define PCI_EXP_DEVCAP2 36 /* Device Capabilities 2 */ #define PCI_EXP_DEVCAP2_ARI 0x20 /* Alternative Routing-ID */ |