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authorMark Brown <broonie@linaro.org>2013-08-30 11:04:29 +0100
committerMark Brown <broonie@linaro.org>2013-08-30 11:04:29 +0100
commitc85fa502ef8cd81a8e31cd4a71e890f6dea6f140 (patch)
tree3cbf8fb661d61cd59b2a146d22f3f9947d5e79d8 /arch/arm
parent52b3a88439580ec32da58702968c5b70e2638424 (diff)
parent9b9ae16a97e08bdc4fd5e726a4d17119dbae5d8a (diff)
Merge remote-tracking branch 'asoc/topic/samsung' into tmp
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/plat-samsung/s3c-dma-ops.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/arm/plat-samsung/s3c-dma-ops.c b/arch/arm/plat-samsung/s3c-dma-ops.c
index 0cc40aea3f5a..98b10ba67dc7 100644
--- a/arch/arm/plat-samsung/s3c-dma-ops.c
+++ b/arch/arm/plat-samsung/s3c-dma-ops.c
@@ -82,7 +82,8 @@ static int s3c_dma_config(unsigned ch, struct samsung_dma_config *param)
static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep *param)
{
struct cb_data *data;
- int len = (param->cap == DMA_CYCLIC) ? param->period : param->len;
+ dma_addr_t pos = param->buf;
+ dma_addr_t end = param->buf + param->len;
list_for_each_entry(data, &dma_list, node)
if (data->ch == ch)
@@ -94,7 +95,15 @@ static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep *param)
data->fp_param = param->fp_param;
}
- s3c2410_dma_enqueue(ch, (void *)data, param->buf, len);
+ if (param->cap != DMA_CYCLIC) {
+ s3c2410_dma_enqueue(ch, (void *)data, param->buf, param->len);
+ return 0;
+ }
+
+ while (pos < end) {
+ s3c2410_dma_enqueue(ch, (void *)data, pos, param->period);
+ pos += param->period;
+ }
return 0;
}