OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  powerpc/maple: Add a quirk to disable MSI for IPR on Bimini
This commit is contained in:
Linus Torvalds 2009-05-22 07:33:49 -07:00
parent 66a26a8fa7 6eb0ac0389
commit 1e787d139f
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
arch/powerpc/platforms/maple/pci.c
View File

@ -592,3 +592,17 @@ int maple_pci_get_legacy_ide_irq(struct pci_dev *pdev, int channel)
}
return irq;
}
static void __devinit quirk_ipr_msi(struct pci_dev *dev)
{
/* Something prevents MSIs from the IPR from working on Bimini,
* and the driver has no smarts to recover. So disable MSI
* on it for now. */
if (machine_is(maple)) {
dev->no_msi = 1;
dev_info(&dev->dev, "Quirk disabled MSI\n");
}
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
quirk_ipr_msi);