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-rw-r--r--drivers/iommu/mtk_iommu.c21
-rw-r--r--drivers/iommu/mtk_iommu_v1.c28
2 files changed, 28 insertions, 21 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 44bd5b9166bb..0783fba05d19 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -244,7 +244,7 @@ static void mtk_iommu_config(struct mtk_iommu_data *data,
{
struct mtk_smi_larb_iommu *larb_mmu;
unsigned int larbid, portid;
- struct iommu_fwspec *fwspec = dev->iommu_fwspec;
+ struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
int i;
for (i = 0; i < fwspec->num_ids; ++i) {
@@ -336,7 +336,7 @@ static int mtk_iommu_attach_device(struct iommu_domain *domain,
struct device *dev)
{
struct mtk_iommu_domain *dom = to_mtk_domain(domain);
- struct mtk_iommu_data *data = dev->iommu_fwspec->iommu_priv;
+ struct mtk_iommu_data *data = dev_iommu_fwspec_get(dev)->iommu_priv;
if (!data)
return -ENODEV;
@@ -355,7 +355,7 @@ static int mtk_iommu_attach_device(struct iommu_domain *domain,
static void mtk_iommu_detach_device(struct iommu_domain *domain,
struct device *dev)
{
- struct mtk_iommu_data *data = dev->iommu_fwspec->iommu_priv;
+ struct mtk_iommu_data *data = dev_iommu_fwspec_get(dev)->iommu_priv;
if (!data)
return;
@@ -417,13 +417,14 @@ static phys_addr_t mtk_iommu_iova_to_phys(struct iommu_domain *domain,
static int mtk_iommu_add_device(struct device *dev)
{
+ struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
struct mtk_iommu_data *data;
struct iommu_group *group;
- if (!dev->iommu_fwspec || dev->iommu_fwspec->ops != &mtk_iommu_ops)
+ if (!fwspec || fwspec->ops != &mtk_iommu_ops)
return -ENODEV; /* Not a iommu client device */
- data = dev->iommu_fwspec->iommu_priv;
+ data = fwspec->iommu_priv;
iommu_device_link(&data->iommu, dev);
group = iommu_group_get_for_dev(dev);
@@ -436,12 +437,13 @@ static int mtk_iommu_add_device(struct device *dev)
static void mtk_iommu_remove_device(struct device *dev)
{
+ struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
struct mtk_iommu_data *data;
- if (!dev->iommu_fwspec || dev->iommu_fwspec->ops != &mtk_iommu_ops)
+ if (!fwspec || fwspec->ops != &mtk_iommu_ops)
return;
- data = dev->iommu_fwspec->iommu_priv;
+ data = fwspec->iommu_priv;
iommu_device_unlink(&data->iommu, dev);
iommu_group_remove_device(dev);
@@ -468,6 +470,7 @@ static struct iommu_group *mtk_iommu_device_group(struct device *dev)
static int mtk_iommu_of_xlate(struct device *dev, struct of_phandle_args *args)
{
+ struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
struct platform_device *m4updev;
if (args->args_count != 1) {
@@ -476,13 +479,13 @@ static int mtk_iommu_of_xlate(struct device *dev, struct of_phandle_args *args)
return -EINVAL;
}
- if (!dev->iommu_fwspec->iommu_priv) {
+ if (!fwspec->iommu_priv) {
/* Get the m4u device */
m4updev = of_find_device_by_node(args->np);
if (WARN_ON(!m4updev))
return -EINVAL;
- dev->iommu_fwspec->iommu_priv = platform_get_drvdata(m4updev);
+ fwspec->iommu_priv = platform_get_drvdata(m4updev);
}
return iommu_fwspec_add_ids(dev, args->args, 1);
diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c
index 6d4551e8ef85..83d8a4cb2732 100644
--- a/drivers/iommu/mtk_iommu_v1.c
+++ b/drivers/iommu/mtk_iommu_v1.c
@@ -208,7 +208,7 @@ static void mtk_iommu_config(struct mtk_iommu_data *data,
{
struct mtk_smi_larb_iommu *larb_mmu;
unsigned int larbid, portid;
- struct iommu_fwspec *fwspec = dev->iommu_fwspec;
+ struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
int i;
for (i = 0; i < fwspec->num_ids; ++i) {
@@ -273,7 +273,7 @@ static int mtk_iommu_attach_device(struct iommu_domain *domain,
struct device *dev)
{
struct mtk_iommu_domain *dom = to_mtk_domain(domain);
- struct mtk_iommu_data *data = dev->iommu_fwspec->iommu_priv;
+ struct mtk_iommu_data *data = dev_iommu_fwspec_get(dev)->iommu_priv;
int ret;
if (!data)
@@ -295,7 +295,7 @@ static int mtk_iommu_attach_device(struct iommu_domain *domain,
static void mtk_iommu_detach_device(struct iommu_domain *domain,
struct device *dev)
{
- struct mtk_iommu_data *data = dev->iommu_fwspec->iommu_priv;
+ struct mtk_iommu_data *data = dev_iommu_fwspec_get(dev)->iommu_priv;
if (!data)
return;
@@ -373,6 +373,7 @@ static struct iommu_ops mtk_iommu_ops;
static int mtk_iommu_create_mapping(struct device *dev,
struct of_phandle_args *args)
{
+ struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
struct mtk_iommu_data *data;
struct platform_device *m4updev;
struct dma_iommu_mapping *mtk_mapping;
@@ -385,28 +386,29 @@ static int mtk_iommu_create_mapping(struct device *dev,
return -EINVAL;
}
- if (!dev->iommu_fwspec) {
+ if (!fwspec) {
ret = iommu_fwspec_init(dev, &args->np->fwnode, &mtk_iommu_ops);
if (ret)
return ret;
- } else if (dev->iommu_fwspec->ops != &mtk_iommu_ops) {
+ fwspec = dev_iommu_fwspec_get(dev);
+ } else if (dev_iommu_fwspec_get(dev)->ops != &mtk_iommu_ops) {
return -EINVAL;
}
- if (!dev->iommu_fwspec->iommu_priv) {
+ if (!fwspec->iommu_priv) {
/* Get the m4u device */
m4updev = of_find_device_by_node(args->np);
if (WARN_ON(!m4updev))
return -EINVAL;
- dev->iommu_fwspec->iommu_priv = platform_get_drvdata(m4updev);
+ fwspec->iommu_priv = platform_get_drvdata(m4updev);
}
ret = iommu_fwspec_add_ids(dev, args->args, 1);
if (ret)
return ret;
- data = dev->iommu_fwspec->iommu_priv;
+ data = fwspec->iommu_priv;
m4udev = data->dev;
mtk_mapping = m4udev->archdata.iommu;
if (!mtk_mapping) {
@@ -424,6 +426,7 @@ static int mtk_iommu_create_mapping(struct device *dev,
static int mtk_iommu_add_device(struct device *dev)
{
+ struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
struct dma_iommu_mapping *mtk_mapping;
struct of_phandle_args iommu_spec;
struct of_phandle_iterator it;
@@ -442,7 +445,7 @@ static int mtk_iommu_add_device(struct device *dev)
of_node_put(iommu_spec.np);
}
- if (!dev->iommu_fwspec || dev->iommu_fwspec->ops != &mtk_iommu_ops)
+ if (!fwspec || fwspec->ops != &mtk_iommu_ops)
return -ENODEV; /* Not a iommu client device */
/*
@@ -460,7 +463,7 @@ static int mtk_iommu_add_device(struct device *dev)
if (err)
return err;
- data = dev->iommu_fwspec->iommu_priv;
+ data = fwspec->iommu_priv;
mtk_mapping = data->dev->archdata.iommu;
err = arm_iommu_attach_device(dev, mtk_mapping);
if (err) {
@@ -473,12 +476,13 @@ static int mtk_iommu_add_device(struct device *dev)
static void mtk_iommu_remove_device(struct device *dev)
{
+ struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev);
struct mtk_iommu_data *data;
- if (!dev->iommu_fwspec || dev->iommu_fwspec->ops != &mtk_iommu_ops)
+ if (!fwspec || fwspec->ops != &mtk_iommu_ops)
return;
- data = dev->iommu_fwspec->iommu_priv;
+ data = fwspec->iommu_priv;
iommu_device_unlink(&data->iommu, dev);
iommu_group_remove_device(dev);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 18:23:41 +0100