[PATCH 5/6] dma-mapping: support fsl-mc bus

[Nipun Gupta]

Signed-off-by: Nipun Gupta <nipun.gu...@nxp.com>
---
 drivers/base/dma-mapping.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c
index 3b11835..2279c4d 100644
--- a/drivers/base/dma-mapping.c
+++ b/drivers/base/dma-mapping.c
@@ -334,6 +334,7 @@ void dma_common_free_remap(void *cpu_addr, size_t size, 
unsigned long vm_flags)
  * Common configuration to enable DMA API use for a device
  */
 #include <linux/pci.h>
+#include <linux/fsl/mc.h>
 
 int dma_configure(struct device *dev)
 {
@@ -349,6 +350,12 @@ int dma_configure(struct device *dev)
                        dma_dev = dma_dev->parent;
        }
 
+       if (dev_is_fsl_mc(dev)) {
+               dma_dev = dev;
+               while (dev_is_fsl_mc(dma_dev))
+                       dma_dev = dma_dev->parent;
+       }
+
        if (dma_dev->of_node) {
                ret = of_dma_configure(dev, dma_dev->of_node);
        } else if (has_acpi_companion(dma_dev)) {
-- 
1.9.1