ASoC: wm0010: Use DMA-safe memory for SPI transfers
We should be allocating our buffers for the SPI transfers
from the DMA zone.
Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/codecs/wm0010.c b/sound/soc/codecs/wm0010.c
index 10adc41..d5ebcb0 100644
--- a/sound/soc/codecs/wm0010.c
+++ b/sound/soc/codecs/wm0010.c
@@ -420,7 +420,7 @@
xfer->codec = codec;
list_add_tail(&xfer->list, &xfer_list);
- out = kzalloc(len, GFP_KERNEL);
+ out = kzalloc(len, GFP_KERNEL | GFP_DMA);
if (!out) {
dev_err(codec->dev,
"Failed to allocate RX buffer\n");
@@ -429,7 +429,7 @@
}
xfer->t.rx_buf = out;
- img = kzalloc(len, GFP_KERNEL);
+ img = kzalloc(len, GFP_KERNEL | GFP_DMA);
if (!img) {
dev_err(codec->dev,
"Failed to allocate image buffer\n");
@@ -523,14 +523,14 @@
dev_dbg(codec->dev, "Downloading %zu byte stage 2 loader\n", fw->size);
/* Copy to local buffer first as vmalloc causes problems for dma */
- img = kzalloc(fw->size, GFP_KERNEL);
+ img = kzalloc(fw->size, GFP_KERNEL | GFP_DMA);
if (!img) {
dev_err(codec->dev, "Failed to allocate image buffer\n");
ret = -ENOMEM;
goto abort2;
}
- out = kzalloc(fw->size, GFP_KERNEL);
+ out = kzalloc(fw->size, GFP_KERNEL | GFP_DMA);
if (!out) {
dev_err(codec->dev, "Failed to allocate output buffer\n");
ret = -ENOMEM;
@@ -670,14 +670,14 @@
ret = -ENOMEM;
len = pll_rec.length + 8;
- out = kzalloc(len, GFP_KERNEL);
+ out = kzalloc(len, GFP_KERNEL | GFP_DMA);
if (!out) {
dev_err(codec->dev,
"Failed to allocate RX buffer\n");
goto abort;
}
- img_swap = kzalloc(len, GFP_KERNEL);
+ img_swap = kzalloc(len, GFP_KERNEL | GFP_DMA);
if (!img_swap) {
dev_err(codec->dev,
"Failed to allocate image buffer\n");