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Subject[PATCH] PCI: avoid boot interrupt quirk for AMD 813x B1 devices
From: Stefan Assmann <sassmann@redhat.com>

AMD 813x rev. B1 (like rev. B2) devices generate no interrupts if
quirk_disable_amd_813x_boot_interrupt is executed, add an exception.
http://bugzilla.kernel.org/show_bug.cgi?id=14159

Patch also adds missing cases for DECLARE_PCI_FIXUP_RESUME and
DECLARE_PCI_FIXUP_FINAL calls to quirk_disable_amd_813x_boot_interrupt.

Signed-off-by: Stefan Assmann <sassmann@redhat.com>
Tested-by: Gabriele Giorgetti <g.giorgetti@teamsystem.com>
---
drivers/pci/quirks.c | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 06b9656..7d809b8 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1661,6 +1661,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_
*/
#define AMD_813X_MISC 0x40
#define AMD_813X_NOIOAMODE (1<<0)
+#define AMD_813X_REV_B1 0x12
#define AMD_813X_REV_B2 0x13

static void quirk_disable_amd_813x_boot_interrupt(struct pci_dev *dev)
@@ -1669,7 +1670,8 @@ static void quirk_disable_amd_813x_boot_interrupt(struct pci_dev *dev)

if (noioapicquirk)
return;
- if (dev->revision == AMD_813X_REV_B2)
+ if ((dev->revision == AMD_813X_REV_B1) ||
+ (dev->revision == AMD_813X_REV_B2))
return;

pci_read_config_dword(dev, AMD_813X_MISC, &pci_config_dword);
@@ -1679,8 +1681,10 @@ static void quirk_disable_amd_813x_boot_interrupt(struct pci_dev *dev)
printk(KERN_INFO "disabled boot interrupts on PCI device "
"0x%04x:0x%04x\n", dev->vendor, dev->device);
}
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_amd_813x_boot_interrupt);
-DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8132_BRIDGE, quirk_disable_amd_813x_boot_interrupt);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_amd_813x_boot_interrupt);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_amd_813x_boot_interrupt);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8132_BRIDGE, quirk_disable_amd_813x_boot_interrupt);
+DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8132_BRIDGE, quirk_disable_amd_813x_boot_interrupt);

#define AMD_8111_PCI_IRQ_ROUTING 0x56



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