Hi Robin,
On 03/09/2020 22:14, Robin Murphy wrote:
> Since commit 9495b7e92f71 ("driver core: platform: Initialize dma_parms
> for platform devices"), struct platform_device already provides a
> dma_parms structure, so we can save allocating another one.
>
> Also the DMA segment size is simply a size, not a bitmask.
Well, I guess that answers my previous question ;-)
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
>
> Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx>
> ---
> drivers/media/platform/qcom/venus/core.c | 8 +-------
> 1 file changed, 1 insertion(+), 7 deletions(-)
>
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index 203c6538044f..2fa9275d75ff 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -226,13 +226,7 @@ static int venus_probe(struct platform_device *pdev)
> if (ret)
> return ret;
>
> - if (!dev->dma_parms) {
> - dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms),
> - GFP_KERNEL);
> - if (!dev->dma_parms)
> - return -ENOMEM;
> - }
> - dma_set_max_seg_size(dev, DMA_BIT_MASK(32));
> + dma_set_max_seg_size(dev, UINT_MAX);
>
> INIT_LIST_HEAD(&core->instances);
> mutex_init(&core->lock);
>
