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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 16:40:47 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 16:40:47 -0400
commita0bfb673dca8a2b4324fe11e678ec6d6a9ad67e0 (patch)
treeb5a473c95d671e6a62fc4520d01a7a4721820794 /Documentation/MSI-HOWTO.txt
parent92b29b86fe2e183d44eb467e5e74a5f718ef2e43 (diff)
parent96499871f45b9126157b1a5c512d6e30f1635225 (diff)
Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (41 commits) PCI: fix pci_ioremap_bar() on s390 PCI: fix AER capability check PCI: use pci_find_ext_capability everywhere PCI: remove #ifdef DEBUG around dev_dbg call PCI hotplug: fix get_##name return value problem PCI: document the pcie_aspm kernel parameter PCI: introduce an pci_ioremap(pdev, barnr) function powerpc/PCI: Add legacy PCI access via sysfs PCI: Add ability to mmap legacy_io on some platforms PCI: probing debug message uniformization PCI: support PCIe ARI capability PCI: centralize the capabilities code in probe.c PCI: centralize the capabilities code in pci-sysfs.c PCI: fix 64-vbit prefetchable memory resource BARs PCI: replace cfg space size (256/4096) by macros. PCI: use resource_size() everywhere. PCI: use same arg names in PCI_VDEVICE comment PCI hotplug: rpaphp: make debug var unique PCI: use %pF instead of print_fn_descriptor_symbol() in quirks.c PCI: fix hotplug get_##name return value problem ...
Diffstat (limited to 'Documentation/MSI-HOWTO.txt')
-rw-r--r--Documentation/MSI-HOWTO.txt6
1 files changed, 2 insertions, 4 deletions
diff --git a/Documentation/MSI-HOWTO.txt b/Documentation/MSI-HOWTO.txt
index a51f693c1541..256defd7e174 100644
--- a/Documentation/MSI-HOWTO.txt
+++ b/Documentation/MSI-HOWTO.txt
@@ -236,10 +236,8 @@ software system can set different pages for controlling accesses to the
236MSI-X structure. The implementation of MSI support requires the PCI 236MSI-X structure. The implementation of MSI support requires the PCI
237subsystem, not a device driver, to maintain full control of the MSI-X 237subsystem, not a device driver, to maintain full control of the MSI-X
238table/MSI-X PBA (Pending Bit Array) and MMIO address space of the MSI-X 238table/MSI-X PBA (Pending Bit Array) and MMIO address space of the MSI-X
239table/MSI-X PBA. A device driver is prohibited from requesting the MMIO 239table/MSI-X PBA. A device driver should not access the MMIO address
240address space of the MSI-X table/MSI-X PBA. Otherwise, the PCI subsystem 240space of the MSI-X table/MSI-X PBA.
241will fail enabling MSI-X on its hardware device when it calls the function
242pci_enable_msix().
243 241
2445.3.2 API pci_enable_msix 2425.3.2 API pci_enable_msix
245 243