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| author | Alex Williamson <alex.williamson@redhat.com> | 2013-02-21 09:12:23 -0700 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2013-02-21 19:31:20 -0500 |
| commit | dbb7a66f47f443187a877ab4a985e9acb17b79ce (patch) | |
| tree | f69b06f9e31affbc8427207ca3ff7a86b5c4cb19 | |
| parent | b94904082d66673940ee0d3714633e836f145f19 (diff) | |
| download | seabios-dbb7a66f47f443187a877ab4a985e9acb17b79ce.tar.gz | |
seabios: Add a dummy PCI slot to irq mapping function
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 <alex.williamson@redhat.com>
| -rw-r--r-- | src/pciinit.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/pciinit.c b/src/pciinit.c index bad2448..ce0a4cc 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) |