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>
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index edcd5fb..8c9ee85 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 @@
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 @@
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);