/* Restrict the stage to what we can actually support */
if (!(smmu->features & ARM_SMMU_FEAT_TRANS_S1))
smmu_domain->stage = ARM_SMMU_DOMAIN_S2;
-@@ -1578,7 +1593,7 @@ static __le64 *arm_smmu_get_step_for_sid
+@@ -1580,7 +1595,7 @@ static __le64 *arm_smmu_get_step_for_sid
return step;
}
-static int arm_smmu_install_ste_for_dev(struct iommu_fwspec *fwspec)
+static void arm_smmu_install_ste_for_dev(struct iommu_fwspec *fwspec)
{
- int i;
+ int i, j;
struct arm_smmu_master_data *master = fwspec->iommu_priv;
-@@ -1590,17 +1605,14 @@ static int arm_smmu_install_ste_for_dev(
+@@ -1599,17 +1614,14 @@ static int arm_smmu_install_ste_for_dev(
arm_smmu_write_strtab_ent(smmu, sid, step, &master->ste);
}
}
static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev)
-@@ -1619,7 +1631,7 @@ static int arm_smmu_attach_dev(struct io
+@@ -1628,7 +1640,7 @@ static int arm_smmu_attach_dev(struct io
ste = &master->ste;
/* Already attached to a different domain? */
arm_smmu_detach_dev(dev);
mutex_lock(&smmu_domain->init_mutex);
-@@ -1640,10 +1652,12 @@ static int arm_smmu_attach_dev(struct io
+@@ -1649,10 +1661,12 @@ static int arm_smmu_attach_dev(struct io
goto out_unlock;
}
ste->s1_cfg = &smmu_domain->s1_cfg;
ste->s2_cfg = NULL;
arm_smmu_write_ctx_desc(smmu, ste->s1_cfg);
-@@ -1652,10 +1666,7 @@ static int arm_smmu_attach_dev(struct io
+@@ -1661,10 +1675,7 @@ static int arm_smmu_attach_dev(struct io
ste->s2_cfg = &smmu_domain->s2_cfg;
}
out_unlock:
mutex_unlock(&smmu_domain->init_mutex);
return ret;
-@@ -1703,6 +1714,9 @@ arm_smmu_iova_to_phys(struct iommu_domai
+@@ -1712,6 +1723,9 @@ arm_smmu_iova_to_phys(struct iommu_domai
struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain);
struct io_pgtable_ops *ops = smmu_domain->pgtbl_ops;
if (!ops)
return 0;
-@@ -1801,7 +1815,7 @@ static void arm_smmu_remove_device(struc
+@@ -1810,7 +1824,7 @@ static void arm_smmu_remove_device(struc
return;
master = fwspec->iommu_priv;
arm_smmu_detach_dev(dev);
iommu_group_remove_device(dev);
kfree(master);
-@@ -1830,6 +1844,9 @@ static int arm_smmu_domain_get_attr(stru
+@@ -1839,6 +1853,9 @@ static int arm_smmu_domain_get_attr(stru
{
struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain);
switch (attr) {
case DOMAIN_ATTR_NESTING:
*(int *)data = (smmu_domain->stage == ARM_SMMU_DOMAIN_NESTED);
-@@ -1845,6 +1862,9 @@ static int arm_smmu_domain_set_attr(stru
+@@ -1854,6 +1871,9 @@ static int arm_smmu_domain_set_attr(stru
int ret = 0;
struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain);
mutex_lock(&smmu_domain->init_mutex);
switch (attr) {
-@@ -1874,6 +1894,31 @@ static int arm_smmu_of_xlate(struct devi
+@@ -1883,6 +1903,31 @@ static int arm_smmu_of_xlate(struct devi
return iommu_fwspec_add_ids(dev, args->args, 1);
}
static struct iommu_ops arm_smmu_ops = {
.capable = arm_smmu_capable,
.domain_alloc = arm_smmu_domain_alloc,
-@@ -1889,6 +1934,8 @@ static struct iommu_ops arm_smmu_ops = {
+@@ -1898,6 +1943,8 @@ static struct iommu_ops arm_smmu_ops = {
.domain_get_attr = arm_smmu_domain_get_attr,
.domain_set_attr = arm_smmu_domain_set_attr,
.of_xlate = arm_smmu_of_xlate,