mirror of https://gitee.com/openkylin/linux.git
Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dmaengine fixes from Vinod Koul: "Two small fixes for omap dmaengine driver which fixes cyclic suspend and resume" * 'fixes' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: omap-dma: Restore the CLINK_CTRL in resume path dmaengine: omap-dma: Add memory barrier to dma_resume path
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commit
4092dc8f0b
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@ -1017,6 +1017,11 @@ 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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/* Restore channel link register */
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omap_dma_chan_write(c, CLNK_CTRL, c->desc->clnk_ctrl);
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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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