The patch titled
quirk: enable MSI Mapping on HT1000
has been added to the -mm tree. Its filename is
quirk-enable-msi-mapping-on-ht1000.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: quirk: enable MSI Mapping on HT1000
From: Sebastien Dugue <[EMAIL PROTECTED]>
Add a quirk to enable the MSI mapping capability on HyperTransport bridges.
Wire Broadcom's HT1000 to use the quirk.
Signed-off-by: Sebastien Dugue <[EMAIL PROTECTED]>
Acked-by: "Eric W. Biederman" <[EMAIL PROTECTED]>
Cc: Andy Currid <[EMAIL PROTECTED]>
Cc: Peer Chen <[EMAIL PROTECTED]>
Cc: Prakash Punnoor <[EMAIL PROTECTED]>
Cc: Andrew Morton <[EMAIL PROTECTED]>
Acked-by: Michael Chan <[EMAIL PROTECTED]>
Cc: Greg KH <[EMAIL PROTECTED]>
Cc: Andy Currid <[EMAIL PROTECTED]>
Cc: Peer Chen <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
drivers/pci/quirks.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff -puN drivers/pci/quirks.c~quirk-enable-msi-mapping-on-ht1000
drivers/pci/quirks.c
--- a/drivers/pci/quirks.c~quirk-enable-msi-mapping-on-ht1000
+++ a/drivers/pci/quirks.c
@@ -1715,6 +1715,33 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SE
PCI_DEVICE_ID_SERVERWORKS_HT1000_PXB,
quirk_msi_ht_cap);
+
+/*
+ * Force enable MSI mapping capability on HT bridges
+ */
+static void __devinit quirk_msi_ht_cap_enable(struct pci_dev *dev)
+{
+ int pos, ttl = 48;
+
+ pos = pci_find_ht_capability(dev, HT_CAPTYPE_MSI_MAPPING);
+ while (pos && ttl--) {
+ u8 flags;
+
+ if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS, &flags) == 0)
{
+ printk(KERN_INFO "PCI: Enabling HT MSI Mapping on %s\n",
+ pci_name(dev));
+
+ pci_write_config_byte(dev, pos + HT_MSI_FLAGS,
+ flags | HT_MSI_FLAGS_ENABLE);
+ }
+ pos = pci_find_next_ht_capability(dev, pos,
+ HT_CAPTYPE_MSI_MAPPING);
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SERVERWORKS,
+ PCI_DEVICE_ID_SERVERWORKS_HT1000_PXB,
+ quirk_msi_ht_cap_enable);
+
/* The nVidia CK804 chipset may have 2 HT MSI mappings.
* MSI are supported if the MSI capability set in any of these mappings.
*/
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
quirk-enable-msi-mapping-on-ht1000.patch
msi-set-en-bit-of-msi-mapping-capability-on-ht-platform.patch
msi-set-en-bit-of-msi-mapping-capability-on-ht-platform-fix.patch
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