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Red Hat Bugzilla – Attachment 299312 Details for
Bug 439110
[Broadcom 5.3 bug] HT1000 chip based systems getting blacklisted for msi
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[patch]
rhel5-test0.patch
rhel5-test0.patch (text/plain), 2.50 KB, created by
Andy Gospodarek
on 2008-03-27 13:16:11 UTC
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Description:
rhel5-test0.patch
Filename:
MIME Type:
Creator:
Andy Gospodarek
Created:
2008-03-27 13:16:11 UTC
Size:
2.50 KB
patch
obsolete
>diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c >index d4a898c..3bfc030 100644 >--- a/drivers/pci/quirks.c >+++ b/drivers/pci/quirks.c >@@ -1756,7 +1756,6 @@ static void __init quirk_disable_all_msi(struct pci_dev *dev) > printk(KERN_WARNING "PCI: MSI quirk detected. MSI deactivated.\n"); > } > DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_GCNB_LE, quirk_disable_all_msi); >-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000_PCIX, quirk_disable_all_msi); > DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS400_200, quirk_disable_all_msi); > DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS480, quirk_disable_all_msi); > DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VT3351, quirk_disable_all_msi); >@@ -1811,6 +1810,33 @@ static void __devinit quirk_msi_ht_cap(struct pci_dev *dev) > DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT2000_PCIE, > 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. > */ >diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h >index 1a2ed93..a136c63 100644 >--- a/include/linux/pci_ids.h >+++ b/include/linux/pci_ids.h >@@ -1431,8 +1431,8 @@ > #define PCI_DEVICE_ID_SERVERWORKS_HE 0x0008 > #define PCI_DEVICE_ID_SERVERWORKS_LE 0x0009 > #define PCI_DEVICE_ID_SERVERWORKS_GCNB_LE 0x0017 >+#define PCI_DEVICE_ID_SERVERWORKS_HT1000_PXB 0x0036 > #define PCI_DEVICE_ID_SERVERWORKS_EPB 0x0103 >-#define PCI_DEVICE_ID_SERVERWORKS_HT1000_PCIX 0x0104 > #define PCI_DEVICE_ID_SERVERWORKS_HT2000_PCIE 0x0132 > #define PCI_DEVICE_ID_SERVERWORKS_OSB4 0x0200 > #define PCI_DEVICE_ID_SERVERWORKS_CSB5 0x0201 >diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
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bug 439110
: 299312