diff options
Diffstat (limited to 'arch/sparc64/kernel')
| -rw-r--r-- | arch/sparc64/kernel/pci_schizo.c | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c index 64904b180f4..e1c565744d3 100644 --- a/arch/sparc64/kernel/pci_schizo.c +++ b/arch/sparc64/kernel/pci_schizo.c @@ -1152,24 +1152,17 @@ static void schizo_pbm_strbuf_init(struct pci_pbm_info *pbm) static int schizo_pbm_iommu_init(struct pci_pbm_info *pbm) { - struct iommu *iommu = pbm->iommu; + static const u32 vdma_default[] = { 0xc0000000, 0x40000000 }; unsigned long i, tagbase, database; - struct property *prop; - u32 vdma[2], dma_mask; + struct iommu *iommu = pbm->iommu; int tsbsize, err; + const u32 *vdma; + u32 dma_mask; u64 control; - prop = of_find_property(pbm->prom_node, "virtual-dma", NULL); - if (prop) { - u32 *val = prop->value; - - vdma[0] = val[0]; - vdma[1] = val[1]; - } else { - /* No property, use default values. */ - vdma[0] = 0xc0000000; - vdma[1] = 0x40000000; - } + vdma = of_get_property(pbm->prom_node, "virtual-dma", NULL); + if (!vdma) + vdma = vdma_default; dma_mask = vdma[0]; switch (vdma[1]) { @@ -1284,7 +1277,6 @@ static int schizo_pbm_iommu_init(struct pci_pbm_info *pbm) static void schizo_pbm_hw_init(struct pci_pbm_info *pbm) { - struct property *prop; u64 tmp; schizo_write(pbm->pbm_regs + SCHIZO_PCI_IRQ_RETRY, 5); @@ -1298,8 +1290,7 @@ static void schizo_pbm_hw_init(struct pci_pbm_info *pbm) pbm->chip_version >= 0x2) tmp |= 0x3UL << SCHIZO_PCICTRL_PTO_SHIFT; - prop = of_find_property(pbm->prom_node, "no-bus-parking", NULL); - if (!prop) + if (!of_find_property(pbm->prom_node, "no-bus-parking", NULL)) tmp |= SCHIZO_PCICTRL_PARK; else tmp &= ~SCHIZO_PCICTRL_PARK; |