dev_vdbg(chan2dev(chan), "%s\n", __func__);
+ pm_runtime_get_sync(dw->dma.dev);
+
/* ASSERT: channel is idle */
if (dma_readl(dw, CH_EN) & dwc->mask) {
+ pm_runtime_put_sync_suspend(dw->dma.dev);
dev_dbg(chan2dev(chan), "DMA channel not idle?\n");
return -EIO;
}
* We need controller-specific data to set up slave transfers.
*/
if (chan->private && !dw_dma_filter(chan, chan->private)) {
+ pm_runtime_put_sync_suspend(dw->dma.dev);
dev_warn(chan2dev(chan), "Wrong controller-specific data\n");
return -EINVAL;
}
if (!dw->in_use)
do_dw_dma_off(dw);
+ pm_runtime_put_sync_suspend(dw->dma.dev);
+
dev_vdbg(chan2dev(chan), "%s: done\n", __func__);
}