modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/arch/mips/include/asm/vdso/gettimeofday.h
..
..
@@ -20,7 +20,11 @@
20
20
 
21
21
 #define VDSO_HAS_CLOCK_GETRES		1
22
22
 
23
-#define __VDSO_USE_SYSCALL		ULLONG_MAX
23
+#if MIPS_ISA_REV < 6
24
+#define VDSO_SYSCALL_CLOBBERS "hi", "lo",
25
+#else
26
+#define VDSO_SYSCALL_CLOBBERS
27
+#endif
24
28
 
25
29
 static __always_inline long gettimeofday_fallback(
26
30
 				struct __kernel_old_timeval *_tv,
..
..
@@ -37,7 +41,9 @@
37
41
 	: "=r" (ret), "=r" (error)
38
42
 	: "r" (tv), "r" (tz), "r" (nr)
39
43
 	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
40
-	  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
44
+	  "$14", "$15", "$24", "$25",
45
+	  VDSO_SYSCALL_CLOBBERS
46
+	  "memory");
41
47
 
42
48
 	return error ? -ret : ret;
43
49
 }
..
..
@@ -61,7 +67,9 @@
61
67
 	: "=r" (ret), "=r" (error)
62
68
 	: "r" (clkid), "r" (ts), "r" (nr)
63
69
 	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
64
-	  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
70
+	  "$14", "$15", "$24", "$25",
71
+	  VDSO_SYSCALL_CLOBBERS
72
+	  "memory");
65
73
 
66
74
 	return error ? -ret : ret;
67
75
 }
..
..
@@ -85,14 +93,14 @@
85
93
 	: "=r" (ret), "=r" (error)
86
94
 	: "r" (clkid), "r" (ts), "r" (nr)
87
95
 	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
88
-	  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
96
+	  "$14", "$15", "$24", "$25",
97
+	  VDSO_SYSCALL_CLOBBERS
98
+	  "memory");
89
99
 
90
100
 	return error ? -ret : ret;
91
101
 }
92
102
 
93
103
 #if _MIPS_SIM != _MIPS_SIM_ABI64
94
-
95
-#define VDSO_HAS_32BIT_FALLBACK	1
96
104
 
97
105
 static __always_inline long clock_gettime32_fallback(
98
106
 					clockid_t _clkid,
..
..
@@ -109,7 +117,9 @@
109
117
 	: "=r" (ret), "=r" (error)
110
118
 	: "r" (clkid), "r" (ts), "r" (nr)
111
119
 	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
112
-	  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
120
+	  "$14", "$15", "$24", "$25",
121
+	  VDSO_SYSCALL_CLOBBERS
122
+	  "memory");
113
123
 
114
124
 	return error ? -ret : ret;
115
125
 }
..
..
@@ -129,7 +139,9 @@
129
139
 	: "=r" (ret), "=r" (error)
130
140
 	: "r" (clkid), "r" (ts), "r" (nr)
131
141
 	: "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
132
-	  "$14", "$15", "$24", "$25", "hi", "lo", "memory");
142
+	  "$14", "$15", "$24", "$25",
143
+	  VDSO_SYSCALL_CLOBBERS
144
+	  "memory");
133
145
 
134
146
 	return error ? -ret : ret;
135
147
 }
..
..
@@ -171,32 +183,32 @@
171
183
 
172
184
 #endif
173
185
 
174
-static __always_inline u64 __arch_get_hw_counter(s32 clock_mode)
186
+static __always_inline u64 __arch_get_hw_counter(s32 clock_mode,
187
+						 const struct vdso_data *vd)
175
188
 {
176
-#ifdef CONFIG_CLKSRC_MIPS_GIC
177
-	const struct vdso_data *data = get_vdso_data();
178
-#endif
179
-	u64 cycle_now;
180
-
181
-	switch (clock_mode) {
182
189
 #ifdef CONFIG_CSRC_R4K
183
-	case VDSO_CLOCK_R4K:
184
-		cycle_now = read_r4k_count();
185
-		break;
190
+	if (clock_mode == VDSO_CLOCKMODE_R4K)
191
+		return read_r4k_count();
186
192
 #endif
187
193
 #ifdef CONFIG_CLKSRC_MIPS_GIC
188
-	case VDSO_CLOCK_GIC:
189
-		cycle_now = read_gic_count(data);
190
-		break;
194
+	if (clock_mode == VDSO_CLOCKMODE_GIC)
195
+		return read_gic_count(vd);
191
196
 #endif
192
-	default:
193
-		cycle_now = __VDSO_USE_SYSCALL;
194
-		break;
195
-	}
196
-
197
-	return cycle_now;
197
+	/*
198
+	 * Core checks mode already. So this raced against a concurrent
199
+	 * update. Return something. Core will do another round see the
200
+	 * change and fallback to syscall.
201
+	 */
202
+	return 0;
198
203
 }
199
204
 
205
+static inline bool mips_vdso_hres_capable(void)
206
+{
207
+	return IS_ENABLED(CONFIG_CSRC_R4K) ||
208
+	       IS_ENABLED(CONFIG_CLKSRC_MIPS_GIC);
209
+}
210
+#define __arch_vdso_hres_capable mips_vdso_hres_capable
211
+
200
212
 static __always_inline const struct vdso_data *__arch_get_vdso_data(void)
201
213
 {
202
214
 	return get_vdso_data();