On Thu, Sep 19, 2013 at 10:48:01PM +0100, Russell King wrote:
> The DMA API requires drivers to call the appropriate dma_set_mask()
> functions before doing any DMA mapping. Add this required call to
> the AMBA PL08x driver.
>
> Signed-off-by: Russell King <[email protected]>
Acked-by: Vinod Koul <[email protected]>
~Vinod
> ---
> drivers/dma/amba-pl08x.c | 5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
> index fce46c5..e51a983 100644
> --- a/drivers/dma/amba-pl08x.c
> +++ b/drivers/dma/amba-pl08x.c
> @@ -2055,6 +2055,11 @@ static int pl08x_probe(struct amba_device *adev, const
> struct amba_id *id)
> if (ret)
> return ret;
>
> + /* Ensure that we can do DMA */
> + ret = dma_set_mask_and_coherent(&adev->dev, DMA_BIT_MASK(32));
> + if (ret)
> + goto out_no_pl08x;
> +
> /* Create the driver state holder */
> pl08x = kzalloc(sizeof(*pl08x), GFP_KERNEL);
> if (!pl08x) {
> --
> 1.7.4.4
>
> _______________________________________________
> Alsa-devel mailing list
> [email protected]
> http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
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