diff options
Diffstat (limited to 'drivers/iommu/ipmmu-vmsa.c')
| -rw-r--r-- | drivers/iommu/ipmmu-vmsa.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index bdf1a4e5eae0..9f64c5c9f5b9 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -30,7 +30,6 @@ #define arm_iommu_create_mapping(...) NULL #define arm_iommu_attach_device(...) -ENODEV #define arm_iommu_release_mapping(...) do {} while (0) -#define arm_iommu_detach_device(...) do {} while (0) #endif #define IPMMU_CTX_MAX 16U @@ -697,7 +696,6 @@ static const struct soc_device_attribute soc_needs_opt_in[] = { static const struct soc_device_attribute soc_denylist[] = { { .soc_id = "r8a774a1", }, - { .soc_id = "r8a7795", .revision = "ES1.*" }, { .soc_id = "r8a7795", .revision = "ES2.*" }, { .soc_id = "r8a7796", }, { /* sentinel */ } @@ -820,7 +818,18 @@ static void ipmmu_probe_finalize(struct device *dev) static void ipmmu_release_device(struct device *dev) { - arm_iommu_detach_device(dev); + struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev); + struct ipmmu_vmsa_device *mmu = to_ipmmu(dev); + unsigned int i; + + for (i = 0; i < fwspec->num_ids; ++i) { + unsigned int utlb = fwspec->ids[i]; + + ipmmu_imuctr_write(mmu, utlb, 0); + mmu->utlb_ctx[utlb] = IPMMU_CTX_INVALID; + } + + arm_iommu_release_mapping(mmu->mapping); } static struct iommu_group *ipmmu_find_group(struct device *dev) @@ -1014,7 +1023,7 @@ static int ipmmu_probe(struct platform_device *pdev) * the lack of has_cache_leaf_nodes flag or renesas,ipmmu-main property. */ if (!mmu->features->has_cache_leaf_nodes || - !of_find_property(pdev->dev.of_node, "renesas,ipmmu-main", NULL)) + !of_property_present(pdev->dev.of_node, "renesas,ipmmu-main")) mmu->root = mmu; else mmu->root = ipmmu_find_root(); @@ -1073,7 +1082,7 @@ static int ipmmu_probe(struct platform_device *pdev) return 0; } -static int ipmmu_remove(struct platform_device *pdev) +static void ipmmu_remove(struct platform_device *pdev) { struct ipmmu_vmsa_device *mmu = platform_get_drvdata(pdev); @@ -1083,8 +1092,6 @@ static int ipmmu_remove(struct platform_device *pdev) arm_iommu_release_mapping(mmu->mapping); ipmmu_device_reset(mmu); - - return 0; } #ifdef CONFIG_PM_SLEEP @@ -1131,6 +1138,6 @@ static struct platform_driver ipmmu_driver = { .pm = DEV_PM_OPS, }, .probe = ipmmu_probe, - .remove = ipmmu_remove, + .remove_new = ipmmu_remove, }; builtin_platform_driver(ipmmu_driver); |