diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-07 10:52:00 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-07 10:52:00 -0700 |
| commit | ba00003aa83a61b615542dd66f5af8fb4a7cee1d (patch) | |
| tree | 013dde7e89730e54433aa40b5e9d67997931aed6 /arch/powerpc/kernel/prom_parse.c | |
| parent | 9c8e7f5cc965d30006c917ab19221e06fcc5a4f9 (diff) | |
| parent | 40a5f7ca07f8e1d77acdba5ae0c11c15cb7520c1 (diff) | |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] PReP fixup after irq changes
[POWERPC] SPU fixup after irq changes
[POWERPC] Fix up after irq changes
[POWERPC] Fix iseries/smp.c for irq breakage
[POWERPC] Fix viocons for irq breakage
[POWERPC] Update iseries_defconfig
[POWERPC] Fix fsl_soc build breaks
[POWERPC] Minor fix for bootargs property
[POWERPC] Update MTFSF_L() comment
[POWERPC] Update pSeries defconfig for SATA
[POWERPC] Don't get PCI IRQ from OF for devices with no IRQ
[POWERPC] Fix zImage decompress location
[POWERPC] linux,tce-size property is 32 bits
[POWERPC] Add DTS for MPC8349E-mITX board
[POWERPC] Fix harmless typo
[PPC] Fix some irq breakage with ARCH=ppc
Diffstat (limited to 'arch/powerpc/kernel/prom_parse.c')
| -rw-r--r-- | arch/powerpc/kernel/prom_parse.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index 603dff3ad62..17fcb4842fe 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -914,6 +914,17 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq) u8 pin; int rc; + /* We need to first check if the PCI device has a PCI interrupt at all + * since we have cases where the device-node might expose non-PCI + * interrupts, but the device has no PCI interrupt to it + */ + rc = pci_read_config_byte(pdev, PCI_INTERRUPT_PIN, &pin); + if (rc != 0) + return rc; + /* No pin, exit */ + if (pin == 0) + return -ENODEV; + /* Check if we have a device node, if yes, fallback to standard OF * parsing */ @@ -925,12 +936,6 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq) * interrupt spec. we assume #interrupt-cells is 1, which is standard * for PCI. If you do different, then don't use that routine. */ - rc = pci_read_config_byte(pdev, PCI_INTERRUPT_PIN, &pin); - if (rc != 0) - return rc; - /* No pin, exit */ - if (pin == 0) - return -ENODEV; /* Now we walk up the PCI tree */ lspec = pin; |