MIPS: Adjust the dma-common.c platform hooks.

We add a dev parameter to plat_unmap_dma_mem(), and hooks for
plat_dma_supported() and plat_extra_sync_for_device() which should be
nop changes for all existing targets.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 10 insertions, 15 deletions

diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index e6708b3ad343..546e6977d4ff 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -111,7 +111,7 @@ EXPORT_SYMBOL(dma_alloc_coherent);
 void dma_free_noncoherent(struct device *dev, size_t size, void *vaddr,
         dma_addr_t dma_handle)
 {
-        plat_unmap_dma_mem(dma_handle);
+        plat_unmap_dma_mem(dev, dma_handle);
         free_pages((unsigned long) vaddr, get_order(size));
 }
 
@@ -122,7 +122,7 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
 {
         unsigned long addr = (unsigned long) vaddr;
 
-        plat_unmap_dma_mem(dma_handle);
+        plat_unmap_dma_mem(dev, dma_handle);
 
         if (!plat_device_is_coherent(dev))
                 addr = CAC_ADDR(addr);
@@ -173,7 +173,7 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
                 __dma_sync(dma_addr_to_virt(dma_addr), size,
                            direction);
 
-        plat_unmap_dma_mem(dma_addr);
+        plat_unmap_dma_mem(dev, dma_addr);
 }
 
 EXPORT_SYMBOL(dma_unmap_single);
@@ -229,7 +229,7 @@ void dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
                 dma_cache_wback_inv(addr, size);
         }
 
-        plat_unmap_dma_mem(dma_address);
+        plat_unmap_dma_mem(dev, dma_address);
 }
 
 EXPORT_SYMBOL(dma_unmap_page);
@@ -249,7 +249,7 @@ void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
                         if (addr)
                                 __dma_sync(addr, sg->length, direction);
                 }
-                plat_unmap_dma_mem(sg->dma_address);
+                plat_unmap_dma_mem(dev, sg->dma_address);
         }
 }
 
@@ -275,6 +275,7 @@ void dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,
 {
         BUG_ON(direction == DMA_NONE);
 
+        plat_extra_sync_for_device(dev);
         if (!plat_device_is_coherent(dev)) {
                 unsigned long addr;
 
@@ -305,6 +306,7 @@ void dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
 {
         BUG_ON(direction == DMA_NONE);
 
+        plat_extra_sync_for_device(dev);
         if (!plat_device_is_coherent(dev)) {
                 unsigned long addr;
 
@@ -351,22 +353,14 @@ EXPORT_SYMBOL(dma_sync_sg_for_device);
 
 int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
-        return 0;
+        return plat_dma_mapping_error(dev, dma_addr);
 }
 
 EXPORT_SYMBOL(dma_mapping_error);
 
 int dma_supported(struct device *dev, u64 mask)
 {
-        /*
-         * we fall back to GFP_DMA when the mask isn't all 1s,
-         * so we can't guarantee allocations that must be
-         * within a tighter range than GFP_DMA..
-         */
-        if (mask < DMA_BIT_MASK(24))
-                return 0;
-
-        return 1;
+        return plat_dma_supported(dev, mask);
 }
 
 EXPORT_SYMBOL(dma_supported);
@@ -383,6 +377,7 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 {
         BUG_ON(direction == DMA_NONE);
 
+        plat_extra_sync_for_device(dev);
         if (!plat_device_is_coherent(dev))
                 __dma_sync((unsigned long)vaddr, size, direction);
 }