powerpc: of_parse_dma_window should take a __be32 *dma_window

We pass dma_window to of_parse_dma_window as a void * and then
run through hoops to cast it back to a u32 array. In the process
we lose endian annotation.

Simplify it by just passing a __be32 * down.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 23fc1dcf4434..9087f9768781 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -530,7 +530,7 @@ static void iommu_table_setparms(struct pci_controller *phb,
 static void iommu_table_setparms_lpar(struct pci_controller *phb,
                                       struct device_node *dn,
                                       struct iommu_table *tbl,
-                                      const void *dma_window)
+                                      const __be32 *dma_window)
 {
         unsigned long offset, size;
 
@@ -630,7 +630,7 @@ static void pci_dma_bus_setup_pSeriesLP(struct pci_bus *bus)
         struct iommu_table *tbl;
         struct device_node *dn, *pdn;
         struct pci_dn *ppci;
-        const void *dma_window = NULL;
+        const __be32 *dma_window = NULL;
 
         dn = pci_bus_to_OF_node(bus);
 
@@ -1152,7 +1152,7 @@ static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev)
 {
         struct device_node *pdn, *dn;
         struct iommu_table *tbl;
-        const void *dma_window = NULL;
+        const __be32 *dma_window = NULL;
         struct pci_dn *pci;
 
         pr_debug("pci_dma_dev_setup_pSeriesLP: %s\n", pci_name(dev));
@@ -1201,7 +1201,7 @@ static int dma_set_mask_pSeriesLP(struct device *dev, u64 dma_mask)
         bool ddw_enabled = false;
         struct device_node *pdn, *dn;
         struct pci_dev *pdev;
-        const void *dma_window = NULL;
+        const __be32 *dma_window = NULL;
         u64 dma_offset;
 
         if (!dev->dma_mask)