sh: Add support for DMA API debugging.

This wires up support for the generic DMA API debugging.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 13 insertions, 6 deletions

diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index edcd5fbf9651..8c9ee855328a 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -12,6 +12,7 @@
 #include <linux/mm.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/dma-debug.h>
 #include <asm/cacheflush.h>
 #include <asm/addrspace.h>
 #include <asm/io.h>
@@ -45,6 +46,9 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
         split_page(pfn_to_page(virt_to_phys(ret) >> PAGE_SHIFT), order);
 
         *dma_handle = virt_to_phys(ret);
+
+        debug_dma_alloc_coherent(dev, size, *dma_handle, ret_nocache);
+
         return ret_nocache;
 }
 EXPORT_SYMBOL(dma_alloc_coherent);
@@ -56,12 +60,15 @@ void dma_free_coherent(struct device *dev, size_t size,
         unsigned long pfn = dma_handle >> PAGE_SHIFT;
         int k;
 
-        if (!dma_release_from_coherent(dev, order, vaddr)) {
-                WARN_ON(irqs_disabled());       /* for portability */
-                for (k = 0; k < (1 << order); k++)
-                        __free_pages(pfn_to_page(pfn + k), 0);
-                iounmap(vaddr);
-        }
+        WARN_ON(irqs_disabled());       /* for portability */
+
+        if (dma_release_from_coherent(dev, order, vaddr))
+                return;
+
+        debug_dma_free_coherent(dev, size, vaddr, dma_handle);
+        for (k = 0; k < (1 << order); k++)
+                __free_pages(pfn_to_page(pfn + k), 0);
+        iounmap(vaddr);
 }
 EXPORT_SYMBOL(dma_free_coherent);