Messages in this thread Patch in this message | | | From | Marc Gonzalez <> | Subject | [PATCH 6/6] Relax write accesses | Date | Wed, 23 Nov 2016 17:56:41 +0100 |
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--- drivers/dma/tango-dma.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/tango-dma.c b/drivers/dma/tango-dma.c index 24e124942a2f..7049b7c3c0db 100644 --- a/drivers/dma/tango-dma.c +++ b/drivers/dma/tango-dma.c @@ -153,11 +153,9 @@ static void tangox_dma_pchan_detach(struct tangox_dma_pchan *pchan) static int tangox_dma_issue_single(struct tangox_dma_pchan *pchan, struct tangox_dma_sg *sg, int flags) { - writel(sg->addr, pchan->base + DMA_ADDR); - writel(sg->len, pchan->base + DMA_COUNT); - wmb(); - writel(DMA_MODE_SINGLE << 1 | flags, pchan->base + DMA_CMD); - wmb(); + writel_relaxed(sg->addr, pchan->base + DMA_ADDR); + writel_relaxed(sg->len, pchan->base + DMA_COUNT); + writel_relaxed(DMA_MODE_SINGLE << 1 | flags, pchan->base + DMA_CMD); return sg->len; } -- 2.9.0
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