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iommu/fsl_pamu: remove fsl_pamu_get_domain_attr
None of the values returned by this function are ever queried. Also remove the DOMAIN_ATTR_FSL_PAMUV1 enum value that is not otherwise used. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Will Deacon <will@kernel.org> Acked-by: Li Yang <leoyang.li@nxp.com> Link: https://lore.kernel.org/r/20210401155256.298656-3-hch@lst.de Signed-off-by: Joerg Roedel <jroedel@suse.de>
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47685cb202
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392825e0c7
2 changed files with 0 additions and 34 deletions
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@ -832,35 +832,6 @@ static int fsl_pamu_set_domain_attr(struct iommu_domain *domain,
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return ret;
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}
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static int fsl_pamu_get_domain_attr(struct iommu_domain *domain,
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enum iommu_attr attr_type, void *data)
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{
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struct fsl_dma_domain *dma_domain = to_fsl_dma_domain(domain);
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int ret = 0;
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switch (attr_type) {
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case DOMAIN_ATTR_FSL_PAMU_STASH:
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memcpy(data, &dma_domain->dma_stash,
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sizeof(struct pamu_stash_attribute));
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break;
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case DOMAIN_ATTR_FSL_PAMU_ENABLE:
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*(int *)data = dma_domain->enabled;
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break;
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case DOMAIN_ATTR_FSL_PAMUV1:
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*(int *)data = DOMAIN_ATTR_FSL_PAMUV1;
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break;
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case DOMAIN_ATTR_WINDOWS:
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*(u32 *)data = dma_domain->win_cnt;
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break;
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default:
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pr_debug("Unsupported attribute type\n");
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ret = -EINVAL;
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break;
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}
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return ret;
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}
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static struct iommu_group *get_device_iommu_group(struct device *dev)
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{
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struct iommu_group *group;
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@ -987,7 +958,6 @@ static const struct iommu_ops fsl_pamu_ops = {
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.domain_window_enable = fsl_pamu_window_enable,
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.iova_to_phys = fsl_pamu_iova_to_phys,
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.domain_set_attr = fsl_pamu_set_domain_attr,
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.domain_get_attr = fsl_pamu_get_domain_attr,
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.probe_device = fsl_pamu_probe_device,
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.release_device = fsl_pamu_release_device,
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.device_group = fsl_pamu_device_group,
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@ -104,9 +104,6 @@ enum iommu_cap {
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* -the actual size of the mapped region of a window must be power
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* of 2 starting with 4KB and physical address must be naturally
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* aligned.
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* DOMAIN_ATTR_FSL_PAMUV1 corresponds to the above mentioned contraints.
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* The caller can invoke iommu_domain_get_attr to check if the underlying
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* iommu implementation supports these constraints.
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*/
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enum iommu_attr {
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@ -115,7 +112,6 @@ enum iommu_attr {
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DOMAIN_ATTR_WINDOWS,
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DOMAIN_ATTR_FSL_PAMU_STASH,
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DOMAIN_ATTR_FSL_PAMU_ENABLE,
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DOMAIN_ATTR_FSL_PAMUV1,
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DOMAIN_ATTR_NESTING, /* two stages of translation */
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DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE,
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DOMAIN_ATTR_IO_PGTABLE_CFG,
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