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@@ -82,7 +82,8 @@ static int s3c_dma_config(unsigned ch, struct samsung_dma_config *param)
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static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep *param)
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{
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struct cb_data *data;
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- int len = (param->cap == DMA_CYCLIC) ? param->period : param->len;
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+ dma_addr_t pos = param->buf;
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+ dma_addr_t end = param->buf + param->len;
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list_for_each_entry(data, &dma_list, node)
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if (data->ch == ch)
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@@ -94,7 +95,15 @@ static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep *param)
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data->fp_param = param->fp_param;
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}
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- s3c2410_dma_enqueue(ch, (void *)data, param->buf, len);
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+ if (param->cap != DMA_CYCLIC) {
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+ s3c2410_dma_enqueue(ch, (void *)data, param->buf, param->len);
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+ return 0;
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+ }
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+
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+ while (pos < end) {
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+ s3c2410_dma_enqueue(ch, (void *)data, pos, param->period);
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+ pos += param->period;
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+ }
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return 0;
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}
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