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path: root/drivers/iommu/mtk_iommu.c
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Diffstat (limited to 'drivers/iommu/mtk_iommu.c')
-rw-r--r--drivers/iommu/mtk_iommu.c49
1 files changed, 1 insertions, 48 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index c3043d8754e3..b12c12d74c33 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -34,7 +34,7 @@
#include <dt-bindings/memory/mt8173-larb-port.h>
#include <soc/mediatek/smi.h>
-#include "io-pgtable.h"
+#include "mtk_iommu.h"
#define REG_MMU_PT_BASE_ADDR 0x000
@@ -93,20 +93,6 @@
#define MTK_PROTECT_PA_ALIGN 128
-struct mtk_iommu_suspend_reg {
- u32 standard_axi_mode;
- u32 dcm_dis;
- u32 ctrl_reg;
- u32 int_control0;
- u32 int_main_control;
-};
-
-struct mtk_iommu_client_priv {
- struct list_head client;
- unsigned int mtk_m4u_id;
- struct device *m4udev;
-};
-
struct mtk_iommu_domain {
spinlock_t pgtlock; /* lock for page table */
@@ -116,19 +102,6 @@ struct mtk_iommu_domain {
struct iommu_domain domain;
};
-struct mtk_iommu_data {
- void __iomem *base;
- int irq;
- struct device *dev;
- struct clk *bclk;
- phys_addr_t protect_base; /* protect memory base */
- struct mtk_iommu_suspend_reg reg;
- struct mtk_iommu_domain *m4u_dom;
- struct iommu_group *m4u_group;
- struct mtk_smi_iommu smi_imu; /* SMI larb iommu info */
- bool enable_4GB;
-};
-
static struct iommu_ops mtk_iommu_ops;
static struct mtk_iommu_domain *to_mtk_domain(struct iommu_domain *dom)
@@ -455,7 +428,6 @@ static int mtk_iommu_of_xlate(struct device *dev, struct of_phandle_args *args)
if (!dev->archdata.iommu) {
/* Get the m4u device */
m4updev = of_find_device_by_node(args->np);
- of_node_put(args->np);
if (WARN_ON(!m4updev))
return -EINVAL;
@@ -552,25 +524,6 @@ static int mtk_iommu_hw_init(const struct mtk_iommu_data *data)
return 0;
}
-static int compare_of(struct device *dev, void *data)
-{
- return dev->of_node == data;
-}
-
-static int mtk_iommu_bind(struct device *dev)
-{
- struct mtk_iommu_data *data = dev_get_drvdata(dev);
-
- return component_bind_all(dev, &data->smi_imu);
-}
-
-static void mtk_iommu_unbind(struct device *dev)
-{
- struct mtk_iommu_data *data = dev_get_drvdata(dev);
-
- component_unbind_all(dev, &data->smi_imu);
-}
-
static const struct component_master_ops mtk_iommu_com_ops = {
.bind = mtk_iommu_bind,
.unbind = mtk_iommu_unbind,