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Commit c8fcba60 authored by Tomoya MORINAGA's avatar Tomoya MORINAGA Committed by Vinod Koul
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pch_dma: fix dma direction issue for ML7213 IOH video-in 



Currently, even-channel number is set as tx direction and odd is set as rx.
However, though video-in uses ch6, the direction is not tx but rx.
This patch sets video-in's DMA direction correctly.

Signed-off-by: default avatarTomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent e257e156

drivers/dma/pch_dma.c

+3 −3
Original line number Diff line number Diff line
@@ -478,7 +478,6 @@ static int pd_alloc_chan_resources(struct dma_chan *chan) 
	spin_unlock_bh(&pd_chan->lock);



	pdc_enable_irq(chan, 1);

	pdc_set_dir(chan);



	return pd_chan->descs_allocated;

}
@@ -561,6 +560,9 @@ static struct dma_async_tx_descriptor *pd_prep_slave_sg(struct dma_chan *chan, 
	else

		return NULL;



	pd_chan->dir = direction;

	pdc_set_dir(chan);



	for_each_sg(sgl, sg, sg_len, i) {

		desc = pdc_desc_get(pd_chan);
@@ -850,8 +852,6 @@ static int __devinit pch_dma_probe(struct pci_dev *pdev, 


		pd_chan->membase = &regs->desc[i];



		pd_chan->dir = (i % 2) ? DMA_FROM_DEVICE : DMA_TO_DEVICE;



		spin_lock_init(&pd_chan->lock);



		INIT_LIST_HEAD(&pd_chan->active_list);