diff options
| author | Alistair Popple <alistair@popple.id.au> | 2013-12-09 08:17:01 +0100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-12-30 04:17:06 +0100 |
| commit | e589a4404fa06730355de204d3d136ed9bbc7dea (patch) | |
| tree | a7b4d1dad98a06d89e652194947735db7eec02b5 /arch/powerpc/kernel/dma-iommu.c | |
| parent | powerpc: Remove unused REDBOOT Kconfig parameter (diff) | |
| download | linux-e589a4404fa06730355de204d3d136ed9bbc7dea.tar.xz linux-e589a4404fa06730355de204d3d136ed9bbc7dea.zip | |
powerpc/iommu: Update constant names to reflect their hardcoded page size
The powerpc iommu uses a hardcoded page size of 4K. This patch changes
the name of the IOMMU_PAGE_* macros to reflect the hardcoded values. A
future patch will use the existing names to support dynamic page
sizes.
Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/dma-iommu.c')
| -rw-r--r-- | arch/powerpc/kernel/dma-iommu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c index e4897523de41..5cfe3dbfc4a0 100644 --- a/arch/powerpc/kernel/dma-iommu.c +++ b/arch/powerpc/kernel/dma-iommu.c @@ -83,10 +83,10 @@ static int dma_iommu_dma_supported(struct device *dev, u64 mask) return 0; } - if (tbl->it_offset > (mask >> IOMMU_PAGE_SHIFT)) { + if (tbl->it_offset > (mask >> IOMMU_PAGE_SHIFT_4K)) { dev_info(dev, "Warning: IOMMU offset too big for device mask\n"); dev_info(dev, "mask: 0x%08llx, table offset: 0x%08lx\n", - mask, tbl->it_offset << IOMMU_PAGE_SHIFT); + mask, tbl->it_offset << IOMMU_PAGE_SHIFT_4K); return 0; } else return 1; |