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[Qemu-devel] [PATCH] seabios: Add a dummy PCI slot to irq mapping functi
From: |
Alex Williamson |
Subject: |
[Qemu-devel] [PATCH] seabios: Add a dummy PCI slot to irq mapping function |
Date: |
Thu, 21 Feb 2013 09:12:23 -0700 |
User-agent: |
StGit/0.16 |
This should never get called, but if we somehow get a new chipset
that fails to implement their own pci_slot_get_irq function, fail
gracefully and add a debug log message.
Signed-off-by: Alex Williamson <address@hidden>
---
src/pciinit.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/src/pciinit.c b/src/pciinit.c
index 70e4c07..a495742 100644
--- a/src/pciinit.c
+++ b/src/pciinit.c
@@ -91,7 +91,15 @@ const u8 pci_irqs[4] = {
10, 10, 11, 11
};
-static int (*pci_slot_get_irq)(struct pci_device *pci, int pin);
+static int dummy_pci_slot_get_irq(struct pci_device *pci, int pin)
+{
+ dprintf(1, "pci_slot_get_irq called with unknown routing\n");
+
+ return 0xff; /* PCI defined "unknown" or "no connection" for x86 */
+}
+
+static int (*pci_slot_get_irq)(struct pci_device *pci, int pin) =
+ dummy_pci_slot_get_irq;
// Return the global irq number corresponding to a host bus device irq pin.
static int piix_pci_slot_get_irq(struct pci_device *pci, int pin)
- [Qemu-devel] [PATCH] seabios: Add a dummy PCI slot to irq mapping function,
Alex Williamson <=