[alsa-devel] [PATCH] ASoC: wm_adsp: Use GFP_DMA for things that may be DMAed

[Mark Brown]

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 at opensource.wolfsonmicro.com>
---
 sound/soc/codecs/wm_adsp.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index f263bfd..f956c35 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -410,7 +410,7 @@ 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;
@@ -557,7 +557,7 @@ static int wm_adsp_setup_algs(struct wm_adsp *dsp)
 		adsp_warn(dsp, "Algorithm list end %x 0x%x != 0xbeadead\n",
 			  term, be32_to_cpu(val));
 
-	alg = kzalloc((term - pos) * 2, GFP_KERNEL);
+	alg = kzalloc((term - pos) * 2, GFP_KERNEL | GFP_DMA);
 	if (!alg)
 		return -ENOMEM;
 
@@ -779,7 +779,7 @@ 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;
-- 
1.7.10.4