add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/powerpc/kernel/iomap.c
..
..
@@ -15,23 +15,23 @@
15
15
  * Here comes the ppc64 implementation of the IOMAP 
16
16
  * interfaces.
17
17
  */
18
-unsigned int ioread8(void __iomem *addr)
18
+unsigned int ioread8(const void __iomem *addr)
19
19
 {
20
20
 	return readb(addr);
21
21
 }
22
-unsigned int ioread16(void __iomem *addr)
22
+unsigned int ioread16(const void __iomem *addr)
23
23
 {
24
24
 	return readw(addr);
25
25
 }
26
-unsigned int ioread16be(void __iomem *addr)
26
+unsigned int ioread16be(const void __iomem *addr)
27
27
 {
28
28
 	return readw_be(addr);
29
29
 }
30
-unsigned int ioread32(void __iomem *addr)
30
+unsigned int ioread32(const void __iomem *addr)
31
31
 {
32
32
 	return readl(addr);
33
33
 }
34
-unsigned int ioread32be(void __iomem *addr)
34
+unsigned int ioread32be(const void __iomem *addr)
35
35
 {
36
36
 	return readl_be(addr);
37
37
 }
..
..
@@ -41,27 +41,27 @@
41
41
 EXPORT_SYMBOL(ioread32);
42
42
 EXPORT_SYMBOL(ioread32be);
43
43
 #ifdef __powerpc64__
44
-u64 ioread64(void __iomem *addr)
44
+u64 ioread64(const void __iomem *addr)
45
45
 {
46
46
 	return readq(addr);
47
47
 }
48
-u64 ioread64_lo_hi(void __iomem *addr)
48
+u64 ioread64_lo_hi(const void __iomem *addr)
49
49
 {
50
50
 	return readq(addr);
51
51
 }
52
-u64 ioread64_hi_lo(void __iomem *addr)
52
+u64 ioread64_hi_lo(const void __iomem *addr)
53
53
 {
54
54
 	return readq(addr);
55
55
 }
56
-u64 ioread64be(void __iomem *addr)
56
+u64 ioread64be(const void __iomem *addr)
57
57
 {
58
58
 	return readq_be(addr);
59
59
 }
60
-u64 ioread64be_lo_hi(void __iomem *addr)
60
+u64 ioread64be_lo_hi(const void __iomem *addr)
61
61
 {
62
62
 	return readq_be(addr);
63
63
 }
64
-u64 ioread64be_hi_lo(void __iomem *addr)
64
+u64 ioread64be_hi_lo(const void __iomem *addr)
65
65
 {
66
66
 	return readq_be(addr);
67
67
 }
..
..
@@ -139,15 +139,15 @@
139
139
  * FIXME! We could make these do EEH handling if we really
140
140
  * wanted. Not clear if we do.
141
141
  */
142
-void ioread8_rep(void __iomem *addr, void *dst, unsigned long count)
142
+void ioread8_rep(const void __iomem *addr, void *dst, unsigned long count)
143
143
 {
144
144
 	readsb(addr, dst, count);
145
145
 }
146
-void ioread16_rep(void __iomem *addr, void *dst, unsigned long count)
146
+void ioread16_rep(const void __iomem *addr, void *dst, unsigned long count)
147
147
 {
148
148
 	readsw(addr, dst, count);
149
149
 }
150
-void ioread32_rep(void __iomem *addr, void *dst, unsigned long count)
150
+void ioread32_rep(const void __iomem *addr, void *dst, unsigned long count)
151
151
 {
152
152
 	readsl(addr, dst, count);
153
153
 }