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authorAlistair Popple <alistair@popple.id.au>2013-12-09 18:17:01 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-12-30 14:17:06 +1100
commite589a4404fa06730355de204d3d136ed9bbc7dea (patch)
treea7b4d1dad98a06d89e652194947735db7eec02b5 /arch/powerpc/platforms/wsp
parentfee26f6d5d68a8815b20c32d15dd70d5384eb937 (diff)
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/platforms/wsp')
-rw-r--r--arch/powerpc/platforms/wsp/wsp_pci.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/wsp/wsp_pci.c b/arch/powerpc/platforms/wsp/wsp_pci.c
index 62cb527493e7..8a589618551e 100644
--- a/arch/powerpc/platforms/wsp/wsp_pci.c
+++ b/arch/powerpc/platforms/wsp/wsp_pci.c
@@ -260,7 +260,7 @@ static int tce_build_wsp(struct iommu_table *tbl, long index, long npages,
*tcep = proto_tce | (rpn & TCE_RPN_MASK) << TCE_RPN_SHIFT;
dma_debug("[DMA] TCE %p set to 0x%016llx (dma addr: 0x%lx)\n",
- tcep, *tcep, (tbl->it_offset + index) << IOMMU_PAGE_SHIFT);
+ tcep, *tcep, (tbl->it_offset + index) << IOMMU_PAGE_SHIFT_4K);
uaddr += TCE_PAGE_SIZE;
index++;
@@ -381,8 +381,8 @@ static struct wsp_dma_table *wsp_pci_create_dma32_table(struct wsp_phb *phb,
/* Init bits and pieces */
tbl->table.it_blocksize = 16;
- tbl->table.it_offset = addr >> IOMMU_PAGE_SHIFT;
- tbl->table.it_size = size >> IOMMU_PAGE_SHIFT;
+ tbl->table.it_offset = addr >> IOMMU_PAGE_SHIFT_4K;
+ tbl->table.it_size = size >> IOMMU_PAGE_SHIFT_4K;
/*
* It's already blank but we clear it anyway.
@@ -449,8 +449,8 @@ static void wsp_pci_dma_dev_setup(struct pci_dev *pdev)
if (table) {
pr_info("%s: Setup iommu: 32-bit DMA region 0x%08lx..0x%08lx\n",
pci_name(pdev),
- table->table.it_offset << IOMMU_PAGE_SHIFT,
- (table->table.it_offset << IOMMU_PAGE_SHIFT)
+ table->table.it_offset << IOMMU_PAGE_SHIFT_4K,
+ (table->table.it_offset << IOMMU_PAGE_SHIFT_4K)
+ phb->dma32_region_size - 1);
archdata->dma_data.iommu_table_base = &table->table;
return;