Re: [PATCH v13 02/10] iommu/arm-smmu-v3: Use device properties for pasid-num-bits
From: Will Deacon <will@kernel.org>
Date: 2021-03-25 17:37:35
Also in:
linux-arm-kernel, linux-devicetree, linux-iommu
On Tue, Mar 02, 2021 at 10:26:38AM +0100, Jean-Philippe Brucker wrote:
The pasid-num-bits property shouldn't need a dedicated fwspec field, it's a job for device properties. Add properties for IORT, and access the number of PASID bits using device_property_read_u32(). Suggested-by: Robin Murphy <robin.murphy@arm.com> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Jean-Philippe Brucker <redacted> --- include/linux/iommu.h | 2 -- drivers/acpi/arm64/iort.c | 13 +++++++------ drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 3 ++- drivers/iommu/of_iommu.c | 5 ----- 4 files changed, 9 insertions(+), 14 deletions(-)
Acked-by: Will Deacon <will@kernel.org> Will