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xilinx_axidma: Fix rx/tx halted bit.

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If there is no DMA buffer descriptor, the DMA halts, not idles.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Peter Crosthwaite 2013-04-16 10:26:37 +10:00 committed by Edgar E. Iglesias
parent e1500e35c2
commit 210914e299
1 changed files with 2 additions and 2 deletions
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4
hw/dma/xilinx_axidma.c
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@ -276,7 +276,7 @@ static void stream_process_mem2s(struct Stream *s,
stream_desc_load(s, s->regs[R_CURDESC]); stream_desc_load(s, s->regs[R_CURDESC]);
if (s->desc.status & SDESC_STATUS_COMPLETE) { if (s->desc.status & SDESC_STATUS_COMPLETE) {
s->regs[R_DMASR] |= DMASR_IDLE; s->regs[R_DMASR] |= DMASR_HALTED;
break; break;
} }
@ -331,7 +331,7 @@ static void stream_process_s2mem(struct Stream *s,
stream_desc_load(s, s->regs[R_CURDESC]); stream_desc_load(s, s->regs[R_CURDESC]);
if (s->desc.status & SDESC_STATUS_COMPLETE) { if (s->desc.status & SDESC_STATUS_COMPLETE) {
s->regs[R_DMASR] |= DMASR_IDLE; s->regs[R_DMASR] |= DMASR_HALTED;
break; break;
} }