~hc/RK356X_SDK_RELEASE.git

..	..	@@ -711,6 +711,7 @@
711	711	if (!chan) {
712	712	dev_err(priv->port.dev, "%s:dma_request_channel FAILS(Tx)\n",
713	713	__func__);
	714	+ pci_dev_put(dma_dev);
714	715	return;
715	716	}
716	717	priv->chan_tx = chan;
..	..	@@ -727,6 +728,7 @@
727	728	__func__);
728	729	dma_release_channel(priv->chan_tx);
729	730	priv->chan_tx = NULL;
	731	+ pci_dev_put(dma_dev);
730	732	return;
731	733	}
732	734
..	..	@@ -734,6 +736,8 @@
734	736	priv->rx_buf_virt = dma_alloc_coherent(port->dev, port->fifosize,
735	737	&priv->rx_buf_dma, GFP_KERNEL);
736	738	priv->chan_rx = chan;
	739	+
	740	+ pci_dev_put(dma_dev);
737	741	}
738	742
739	743	static void pch_dma_rx_complete(void *arg)
..	..	@@ -765,7 +769,7 @@
765	769	}
766	770	xmit->tail &= UART_XMIT_SIZE - 1;
767	771	async_tx_ack(priv->desc_tx);
768		- dma_unmap_sg(port->dev, sg, priv->orig_nent, DMA_TO_DEVICE);
	772	+ dma_unmap_sg(port->dev, priv->sg_tx_p, priv->orig_nent, DMA_TO_DEVICE);
769	773	priv->tx_dma_use = 0;
770	774	priv->nent = 0;
771	775	priv->orig_nent = 0;