Re: [PATCH 2/2] media: venus: firmware: Use iommu_paging_domain_alloc()

[Stanimir Varbanov]

Hi,

Thank you for the patch!

On 12.08.24 г. 10:21 ч., Lu Baolu wrote:
> An iommu domain is allocated in venus_firmware_init() and is attached to
> core->fw.dev in the same function. Use iommu_paging_domain_alloc() to
> make it explicit.
>
> Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
> Link: https://lore.kernel.org/r/20240610085555.88197-10-baolu.lu@xxxxxxxxxxxxxxx
> ---
>   drivers/media/platform/qcom/venus/firmware.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c
> index fe7da2b30482..66a18830e66d 100644
> --- a/drivers/media/platform/qcom/venus/firmware.c
> +++ b/drivers/media/platform/qcom/venus/firmware.ced

Acked-by: Stanimir Varbanov <stanimir.k.varbanov@xxxxxxxxx>

I'll take the patch through linux-media tree.

> @@ -316,10 +316,10 @@ int venus_firmware_init(struct venus_core *core)
>   
>   	core->fw.dev = &pdev->dev;
>   
> -	iommu_dom = iommu_domain_alloc(&platform_bus_type);
> -	if (!iommu_dom) {
> +	iommu_dom = iommu_paging_domain_alloc(core->fw.dev);
> +	if (IS_ERR(iommu_dom)) {
>   		dev_err(core->fw.dev, "Failed to allocate iommu domain\n");
> -		ret = -ENOMEM;
> +		ret = PTR_ERR(iommu_dom);
>   		goto err_unregister;
>   	}
>   

--
regards,
Stan