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ASoC: wm_adsp: Use GFP_DMA for things that may be DMAed
authorMark Brown <broonie@opensource.wolfsonmicro.com>
Sun, 20 Jan 2013 10:01:03 +0000 (19:01 +0900)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Sun, 20 Jan 2013 13:14:34 +0000 (22:14 +0900)
Normally kmalloc() returns things that are DMA safe so not visible on all
platforms but we do need to explicitly request DMA safe memory.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
sound/soc/codecs/wm_adsp.c

index 7b198c3..4196f2d 100644 (file)
@@ -324,7 +324,7 @@ static int wm_adsp_load(struct wm_adsp *dsp)
 
                if (reg) {
                        buf = kmemdup(region->data, le32_to_cpu(region->len),
-                                     GFP_KERNEL);
+                                     GFP_KERNEL | GFP_DMA);
                        if (!buf) {
                                adsp_err(dsp, "Out of memory\n");
                                return -ENOMEM;
@@ -439,7 +439,7 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
 
                if (reg) {
                        buf = kmemdup(blk->data, le32_to_cpu(blk->len),
-                                     GFP_KERNEL);
+                                     GFP_KERNEL | GFP_DMA);
                        if (!buf) {
                                adsp_err(dsp, "Out of memory\n");
                                return -ENOMEM;