Am Donnerstag, 19. September 2013, 23:49:01 schrieb Russell King:
> 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.
^--- copy and paste error - should of course be PL330
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
> ---
> drivers/dma/pl330.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
> index a562d24..df8b10f 100644
> --- a/drivers/dma/pl330.c
> +++ b/drivers/dma/pl330.c
> @@ -2903,6 +2903,10 @@ pl330_probe(struct amba_device *adev, const struct
> amba_id *id)
>
> pdat = dev_get_platdata(&adev->dev);
>
> + ret = dma_set_mask_and_coherent(&adev->dev, DMA_BIT_MASK(32));
> + if (ret)
> + return ret;
> +
> /* Allocate a new DMAC and its Channels */
> pdmac = devm_kzalloc(&adev->dev, sizeof(*pdmac), GFP_KERNEL);
> if (!pdmac) {
--
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