add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/include/soc/rockchip/rockchip_iommu.h
..
..
@@ -7,12 +7,14 @@
7
7
 
8
8
 struct device;
9
9
 
10
-#if IS_ENABLED(CONFIG_ROCKCHIP_IOMMU)
10
+#if IS_REACHABLE(CONFIG_ROCKCHIP_IOMMU)
11
11
 int rockchip_iommu_enable(struct device *dev);
12
12
 int rockchip_iommu_disable(struct device *dev);
13
-bool rockchip_iommu_is_enabled(struct device *dev);
14
13
 int rockchip_pagefault_done(struct device *master_dev);
15
14
 void __iomem *rockchip_get_iommu_base(struct device *master_dev, int idx);
15
+bool rockchip_iommu_is_enabled(struct device *dev);
16
+void rockchip_iommu_mask_irq(struct device *dev);
17
+void rockchip_iommu_unmask_irq(struct device *dev);
16
18
 int rockchip_iommu_force_reset(struct device *dev);
17
19
 #else
18
20
 static inline int rockchip_iommu_enable(struct device *dev)
..
..
@@ -23,10 +25,6 @@
23
25
 {
24
26
 	return -ENODEV;
25
27
 }
26
-static inline bool rockchip_iommu_is_enabled(struct device *dev)
27
-{
28
-	return false;
29
-}
30
28
 static inline int rockchip_pagefault_done(struct device *master_dev)
31
29
 {
32
30
 	return 0;
..
..
@@ -35,6 +33,16 @@
35
33
 {
36
34
 	return NULL;
37
35
 }
36
+static inline bool rockchip_iommu_is_enabled(struct device *dev)
37
+{
38
+	return false;
39
+}
40
+static inline void rockchip_iommu_mask_irq(struct device *dev)
41
+{
42
+}
43
+static inline void rockchip_iommu_unmask_irq(struct device *dev)
44
+{
45
+}
38
46
 static inline int rockchip_iommu_force_reset(struct device *dev)
39
47
 {
40
48
 	return -ENODEV;