Re: [PATCH] dmaengine: bam-dma: fill slave directions bit mask

From: Vinod Koul
Date: Wed Mar 04 2015 - 11:05:47 EST


On Wed, Mar 04, 2015 at 05:25:10PM +0200, Stanimir Varbanov wrote:
> This will avoid warning during async device registration.
>
> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>
> ---
> drivers/dma/qcom_bam_dma.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/dma/qcom_bam_dma.c b/drivers/dma/qcom_bam_dma.c
> index c3113e3..cc9e5ee 100644
> --- a/drivers/dma/qcom_bam_dma.c
> +++ b/drivers/dma/qcom_bam_dma.c
> @@ -1143,6 +1143,7 @@ static int bam_dma_probe(struct platform_device *pdev)
> dma_cap_set(DMA_SLAVE, bdev->common.cap_mask);
>
> /* initialize dmaengine apis */
> + bdev->common.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
> bdev->common.device_alloc_chan_resources = bam_alloc_chan;
> bdev->common.device_free_chan_resources = bam_free_chan;
> bdev->common.device_prep_slave_sg = bam_prep_slave_sg;
You need to fill other fields, src/dstn_addr_widths and
residue_granularity...

--
~Vinod

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