diff options
| author | Alistair Popple <alistair@popple.id.au> | 2013-12-09 18:17:01 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-12-30 14:17:06 +1100 |
| commit | e589a4404fa06730355de204d3d136ed9bbc7dea (patch) | |
| tree | a7b4d1dad98a06d89e652194947735db7eec02b5 /arch/powerpc/platforms/pseries | |
| parent | fee26f6d5d68a8815b20c32d15dd70d5384eb937 (diff) | |
| download | op-kernel-dev-e589a4404fa06730355de204d3d136ed9bbc7dea.zip op-kernel-dev-e589a4404fa06730355de204d3d136ed9bbc7dea.tar.gz | |
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/pseries')
| -rw-r--r-- | arch/powerpc/platforms/pseries/iommu.c | 8 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/setup.c | 4 |
2 files changed, 6 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index a80af6c..1b7531c 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -488,7 +488,7 @@ static void iommu_table_setparms(struct pci_controller *phb, tbl->it_busno = phb->bus->number; /* Units of tce entries */ - tbl->it_offset = phb->dma_window_base_cur >> IOMMU_PAGE_SHIFT; + tbl->it_offset = phb->dma_window_base_cur >> IOMMU_PAGE_SHIFT_4K; /* Test if we are going over 2GB of DMA space */ if (phb->dma_window_base_cur + phb->dma_window_size > 0x80000000ul) { @@ -499,7 +499,7 @@ static void iommu_table_setparms(struct pci_controller *phb, phb->dma_window_base_cur += phb->dma_window_size; /* Set the tce table size - measured in entries */ - tbl->it_size = phb->dma_window_size >> IOMMU_PAGE_SHIFT; + tbl->it_size = phb->dma_window_size >> IOMMU_PAGE_SHIFT_4K; tbl->it_index = 0; tbl->it_blocksize = 16; @@ -540,8 +540,8 @@ static void iommu_table_setparms_lpar(struct pci_controller *phb, tbl->it_base = 0; tbl->it_blocksize = 16; tbl->it_type = TCE_PCI; - tbl->it_offset = offset >> IOMMU_PAGE_SHIFT; - tbl->it_size = size >> IOMMU_PAGE_SHIFT; + tbl->it_offset = offset >> IOMMU_PAGE_SHIFT_4K; + tbl->it_size = size >> IOMMU_PAGE_SHIFT_4K; } static void pci_dma_bus_setup_pSeries(struct pci_bus *bus) diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index c1f1908..49cd16e 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -72,7 +72,7 @@ int CMO_PrPSP = -1; int CMO_SecPSP = -1; -unsigned long CMO_PageSize = (ASM_CONST(1) << IOMMU_PAGE_SHIFT); +unsigned long CMO_PageSize = (ASM_CONST(1) << IOMMU_PAGE_SHIFT_4K); EXPORT_SYMBOL(CMO_PageSize); int fwnmi_active; /* TRUE if an FWNMI handler is present */ @@ -569,7 +569,7 @@ void pSeries_cmo_feature_init(void) { char *ptr, *key, *value, *end; int call_status; - int page_order = IOMMU_PAGE_SHIFT; + int page_order = IOMMU_PAGE_SHIFT_4K; pr_debug(" -> fw_cmo_feature_init()\n"); spin_lock(&rtas_data_buf_lock); |
