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authorDavid Woodhouse <dwmw2@shinybook.infradead.org>2005-08-17 14:37:55 +0100
committerDavid Woodhouse <dwmw2@shinybook.infradead.org>2005-08-17 14:37:55 +0100
commit327b6b08d6ab3bf5488120ba02ed2fe06b09efe6 (patch)
tree592b0ebc2f5f18dac0bdc0fd6ba87d2c8b07b232 /drivers/pci/quirks.c
parentc973b112c76c9d8fd042991128f218a738cc8d0a (diff)
parent2ad56496627630ebc99f06af5f81ca23e17e014e (diff)
downloadtalos-obmc-linux-327b6b08d6ab3bf5488120ba02ed2fe06b09efe6.tar.gz
talos-obmc-linux-327b6b08d6ab3bf5488120ba02ed2fe06b09efe6.zip
Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r--drivers/pci/quirks.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index a9160ad16581..bb36bb69803f 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1291,6 +1291,27 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E7520_MCH, quir
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E7320_MCH, quirk_pcie_mch );
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_E7525_MCH, quirk_pcie_mch );
+
+/*
+ * It's possible for the MSI to get corrupted if shpc and acpi
+ * are used together on certain PXH-based systems.
+ */
+static void __devinit quirk_pcie_pxh(struct pci_dev *dev)
+{
+ disable_msi_mode(dev, pci_find_capability(dev, PCI_CAP_ID_MSI),
+ PCI_CAP_ID_MSI);
+ dev->no_msi = 1;
+
+ printk(KERN_WARNING "PCI: PXH quirk detected, "
+ "disabling MSI for SHPC device\n");
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXHD_0, quirk_pcie_pxh);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXHD_1, quirk_pcie_pxh);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_0, quirk_pcie_pxh);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXH_1, quirk_pcie_pxh);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PXHV, quirk_pcie_pxh);
+
+
static void __devinit quirk_netmos(struct pci_dev *dev)
{
unsigned int num_parallel = (dev->subsystem_device & 0xf0) >> 4;
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