diff options
Diffstat (limited to 'drivers/dma/ioat/dma.c')
| -rw-r--r-- | drivers/dma/ioat/dma.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index 8b5b23a8ace9b1..23fb2fa040002d 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -688,6 +688,12 @@ static void ioat_restart_channel(struct ioatdma_chan *ioat_chan) { u64 phys_complete; + /* set the completion address register again */ + writel(lower_32_bits(ioat_chan->completion_dma), + ioat_chan->reg_base + IOAT_CHANCMP_OFFSET_LOW); + writel(upper_32_bits(ioat_chan->completion_dma), + ioat_chan->reg_base + IOAT_CHANCMP_OFFSET_HIGH); + ioat_quiesce(ioat_chan, 0); if (ioat_cleanup_preamble(ioat_chan, &phys_complete)) __cleanup(ioat_chan, phys_complete); |