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| author | Jean-Philippe Brucker <jean-philippe@linaro.org> | 2021-04-01 18:47:11 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2021-04-07 11:54:28 +0300 |
| commit | 434b73e61cc65cdd26618af6fa4736c2ba1eb29b (patch) | |
| tree | 5399a66c1276f4f68215229084db299bc9320400 /include/linux/iommu.h | |
| parent | 0d35309ab5e080095190965aa7cfc3ca8fb88af9 (diff) | |
| download | linux-434b73e61cc65cdd26618af6fa4736c2ba1eb29b.tar.xz | |
iommu/arm-smmu-v3: Use device properties for pasid-num-bits
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>
Acked-by: Will Deacon <will@kernel.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Acked-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/20210401154718.307519-3-jean-philippe@linaro.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/iommu.h')
| -rw-r--r-- | include/linux/iommu.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 1d422bf722a1..16ce75693d83 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -572,7 +572,6 @@ struct iommu_group *fsl_mc_device_group(struct device *dev); * @ops: ops for this device's IOMMU * @iommu_fwnode: firmware handle for this device's IOMMU * @flags: IOMMU_FWSPEC_* flags - * @num_pasid_bits: number of PASID bits supported by this device * @num_ids: number of associated device IDs * @ids: IDs which this device may present to the IOMMU */ @@ -580,7 +579,6 @@ struct iommu_fwspec { const struct iommu_ops *ops; struct fwnode_handle *iommu_fwnode; u32 flags; - u32 num_pasid_bits; unsigned int num_ids; u32 ids[]; }; |