dmatest: fix build warning on mips

drivers/dma/dmatest.c:543:11: warning: passing argument 1 of 'virt_to_phys' makes pointer from integer without a cast [enabled by default]

mips expects virt_to_phys() to take a pointer.  Fix up the types accordingly.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index 20f9a3a..9dfcaf5 100644 (file)
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -539,9 +539,9 @@ static int dmatest_func(void *data)
 
                um->len = params->buf_size;
                for (i = 0; i < src_cnt; i++) {
-                       unsigned long buf = (unsigned long) thread->srcs[i];
+                       void *buf = thread->srcs[i];
                        struct page *pg = virt_to_page(buf);
-                       unsigned pg_off = buf & ~PAGE_MASK;
+                       unsigned pg_off = (unsigned long) buf & ~PAGE_MASK;
 
                        um->addr[i] = dma_map_page(dev->dev, pg, pg_off,
                                                   um->len, DMA_TO_DEVICE);
@@ -559,9 +559,9 @@ static int dmatest_func(void *data)
                /* map with DMA_BIDIRECTIONAL to force writeback/invalidate */
                dsts = &um->addr[src_cnt];
                for (i = 0; i < dst_cnt; i++) {
-                       unsigned long buf = (unsigned long) thread->dsts[i];
+                       void *buf = thread->dsts[i];
                        struct page *pg = virt_to_page(buf);
-                       unsigned pg_off = buf & ~PAGE_MASK;
+                       unsigned pg_off = (unsigned long) buf & ~PAGE_MASK;
 
                        dsts[i] = dma_map_page(dev->dev, pg, pg_off, um->len,
                                               DMA_BIDIRECTIONAL);