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SubjectRe: [PATCH] vdpa: Use device_iommu_capable()
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On 2022-06-08 12:48, Robin Murphy wrote:
> Use the new interface to check the capability for our device
> specifically.

Just checking in case this got lost - vdpa is now the only remaining
iommu_capable() user in linux-next, and I'd like to be able to remove
the old interface next cycle.

Thanks,
Robin.

> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
> ---
> drivers/vhost/vdpa.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
> index 935a1d0ddb97..4cfebcc24a03 100644
> --- a/drivers/vhost/vdpa.c
> +++ b/drivers/vhost/vdpa.c
> @@ -1074,7 +1074,7 @@ static int vhost_vdpa_alloc_domain(struct vhost_vdpa *v)
> if (!bus)
> return -EFAULT;
>
> - if (!iommu_capable(bus, IOMMU_CAP_CACHE_COHERENCY))
> + if (!device_iommu_capable(dma_dev, IOMMU_CAP_CACHE_COHERENCY))
> return -ENOTSUPP;
>
> v->domain = iommu_domain_alloc(bus);

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