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Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile

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Pull arch/tile updates from Chris Metcalf:
 "These changes provide support for PCIe root complex and USB host mode
  for tilegx's on-chip I/Os.

  In addition, this pull provides the required underpinning for the
  on-chip networking support that was pulled into 3.5.  The changes have
  all been through LKML (with several rounds for PCIe RC) and on
  linux-next."

* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
  tile: updates to pci root complex from community feedback
  bounce: allow use of bounce pool via config option
  usb: add host support for the tilegx architecture
  arch/tile: provide kernel support for the tilegx USB shim
  tile pci: enable IOMMU to support DMA for legacy devices
  arch/tile: enable ZONE_DMA for tilegx
  tilegx pci: support I/O to arbitrarily-cached pages
  tile: remove unused header
  arch/tile: tilegx PCI root complex support
  arch/tile: provide kernel support for the tilegx TRIO shim
  arch/tile: break out the "csum a long" function to <asm/checksum.h>
  arch/tile: provide kernel support for the tilegx mPIPE shim
  arch/tile: common DMA code for the GXIO IORPC subsystem
  arch/tile: support MMIO-based readb/writeb etc.
  arch/tile: introduce GXIO IORPC framework for tilegx
This commit is contained in:
Linus Torvalds
2012-07-23 19:10:54 -07:00
parent 474183b188 f6d2ce00da
commit f0a08fcb59
72 changed files with 11253 additions and 419 deletions
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6
drivers/pci/quirks.c
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@@ -2143,9 +2143,9 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82865_HB,
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82875_HB,
quirk_unhide_mch_dev6);
#ifdef CONFIG_TILE
#ifdef CONFIG_TILEPRO
/*
* The Tilera TILEmpower platform needs to set the link speed
* The Tilera TILEmpower tilepro platform needs to set the link speed
* to 2.5GT(Giga-Transfers)/s (Gen 1). The default link speed
* setting is 5GT/s (Gen 2). 0x98 is the Link Control2 PCIe
* capability register of the PEX8624 PCIe switch. The switch
@@ -2160,7 +2160,7 @@ static void __devinit quirk_tile_plx_gen1(struct pci_dev *dev)
}
}
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8624, quirk_tile_plx_gen1);
#endif /* CONFIG_TILE */
#endif /* CONFIG_TILEPRO */
#ifdef CONFIG_PCI_MSI
/* Some chipsets do not support MSI. We cannot easily rely on setting