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dmaengine: omap-dma: Add memory barrier to dma_resume path
Add mb() call to resume path to ensure the necessary barrier. Resume can happen after waking up from suspend for example. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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@ -1017,6 +1017,8 @@ static int omap_dma_resume(struct omap_chan *c)
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return -EINVAL;
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if (c->paused) {
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mb();
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omap_dma_start(c, c->desc);
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c->paused = false;
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}
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