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| author | David S. Miller <davem@davemloft.net> | 2008-09-02 05:23:18 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-09-02 09:52:56 +0200 |
| commit | 8aef72786192a46e20791b2e854ea3ed047bc15c (patch) | |
| tree | 7338b2a689a2b529c3ccc6f5fbff9780b2c53ecd /arch/sparc64/kernel/pci_sun4v.c | |
| parent | pci_schizo: Use of_get_property() and delete spurious local vars. (diff) | |
| download | linux-8aef72786192a46e20791b2e854ea3ed047bc15c.tar.xz linux-8aef72786192a46e20791b2e854ea3ed047bc15c.zip | |
pci_sun4v: Use of_get_property().
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/pci_sun4v.c')
| -rw-r--r-- | arch/sparc64/kernel/pci_sun4v.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index 4839c503c88d..6bed2f6bf7cd 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -587,22 +587,15 @@ static unsigned long __init probe_existing_entries(struct pci_pbm_info *pbm, static int __init pci_sun4v_iommu_init(struct pci_pbm_info *pbm) { + static const u32 vdma_default[] = { 0x80000000, 0x80000000 }; struct iommu *iommu = pbm->iommu; - struct property *prop; unsigned long num_tsb_entries, sz, tsbsize; - u32 vdma[2], dma_mask, dma_offset; - - 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] = 0x80000000; - vdma[1] = 0x80000000; - } + u32 dma_mask, dma_offset; + const u32 *vdma; + + vdma = of_get_property(pbm->prom_node, "virtual-dma", NULL); + if (!vdma) + vdma = vdma_default; if ((vdma[0] | vdma[1]) & ~IO_PAGE_MASK) { printk(KERN_ERR PFX "Strange virtual-dma[%08x:%08x].\n", |