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>
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index e6708b3..546e697 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -111,7 +111,7 @@
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 @@
{
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 @@
__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 @@
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 @@
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 @@
{
BUG_ON(direction == DMA_NONE);
+ plat_extra_sync_for_device(dev);
if (!plat_device_is_coherent(dev)) {
unsigned long addr;
@@ -305,6 +306,7 @@
{
BUG_ON(direction == DMA_NONE);
+ plat_extra_sync_for_device(dev);
if (!plat_device_is_coherent(dev)) {
unsigned long addr;
@@ -351,22 +353,14 @@
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 @@
{
BUG_ON(direction == DMA_NONE);
+ plat_extra_sync_for_device(dev);
if (!plat_device_is_coherent(dev))
__dma_sync((unsigned long)vaddr, size, direction);
}