The patch titled
quirk: enable MSI Mapping on HT1000
has been removed from the -mm tree. Its filename was
quirk-enable-msi-mapping-on-ht1000.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: quirk: enable MSI Mapping on HT1000
From: Sebastien Dugue <sebastien.dugue@xxxxxxxx>
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 <sebastien.dugue@xxxxxxxx>
Acked-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Cc: Andy Currid <acurrid@xxxxxxxxxx>
Cc: Peer Chen <pchen@xxxxxxxxxx>
Cc: Prakash Punnoor <prakash@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Acked-by: Michael Chan <mchan@xxxxxxxxxxxx>
Cc: Greg KH <greg@xxxxxxxxx>
Cc: Andy Currid <acurrid@xxxxxxxxxx>
Cc: Peer Chen <pchen@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/pci/quirks.c | 30 +++++++++++++++++++++++++++---
1 file changed, 27 insertions(+), 3 deletions(-)
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
@@ -1711,9 +1711,33 @@ static void __devinit quirk_msi_ht_cap(s
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT2000_PCIE,
quirk_msi_ht_cap);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS,
- 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 sebastien.dugue@xxxxxxxx are
-
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