change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/drivers/usb/dwc3/dwc3-of-simple.c
..
..
@@ -1,8 +1,8 @@
1
1
 // SPDX-License-Identifier: GPL-2.0
2
-/**
2
+/*
3
3
  * dwc3-of-simple.c - OF glue layer for simple integrations
4
4
  *
5
- * Copyright (c) 2015 Texas Instruments Incorporated - http://www.ti.com
5
+ * Copyright (c) 2015 Texas Instruments Incorporated - https://www.ti.com
6
6
  *
7
7
  * Author: Felipe Balbi <balbi@ti.com>
8
8
  *
..
..
@@ -24,58 +24,11 @@
24
24
 
25
25
 struct dwc3_of_simple {
26
26
 	struct device		*dev;
27
-	struct clk		**clks;
27
+	struct clk_bulk_data	*clks;
28
28
 	int			num_clocks;
29
29
 	struct reset_control	*resets;
30
-	bool			pulse_resets;
31
30
 	bool			need_reset;
32
31
 };
33
-
34
-static int dwc3_of_simple_clk_init(struct dwc3_of_simple *simple, int count)
35
-{
36
-	struct device		*dev = simple->dev;
37
-	struct device_node	*np = dev->of_node;
38
-	int			i;
39
-
40
-	simple->num_clocks = count;
41
-
42
-	if (!count)
43
-		return 0;
44
-
45
-	simple->clks = devm_kcalloc(dev, simple->num_clocks,
46
-			sizeof(struct clk *), GFP_KERNEL);
47
-	if (!simple->clks)
48
-		return -ENOMEM;
49
-
50
-	for (i = 0; i < simple->num_clocks; i++) {
51
-		struct clk	*clk;
52
-		int		ret;
53
-
54
-		clk = of_clk_get(np, i);
55
-		if (IS_ERR(clk)) {
56
-			while (--i >= 0) {
57
-				clk_disable_unprepare(simple->clks[i]);
58
-				clk_put(simple->clks[i]);
59
-			}
60
-			return PTR_ERR(clk);
61
-		}
62
-
63
-		ret = clk_prepare_enable(clk);
64
-		if (ret < 0) {
65
-			while (--i >= 0) {
66
-				clk_disable_unprepare(simple->clks[i]);
67
-				clk_put(simple->clks[i]);
68
-			}
69
-			clk_put(clk);
70
-
71
-			return ret;
72
-		}
73
-
74
-		simple->clks[i] = clk;
75
-	}
76
-
77
-	return 0;
78
-}
79
32
 
80
33
 static int dwc3_of_simple_probe(struct platform_device *pdev)
81
34
 {
..
..
@@ -84,8 +37,6 @@
84
37
 	struct device_node	*np = dev->of_node;
85
38
 
86
39
 	int			ret;
87
-	int			i;
88
-	bool			shared_resets = false;
89
40
 
90
41
 	simple = devm_kzalloc(dev, sizeof(*simple), GFP_KERNEL);
91
42
 	if (!simple)
..
..
@@ -101,43 +52,30 @@
101
52
 	if (of_device_is_compatible(np, "rockchip,rk3399-dwc3"))
102
53
 		simple->need_reset = true;
103
54
 
104
-	if (of_device_is_compatible(np, "amlogic,meson-axg-dwc3") ||
105
-	    of_device_is_compatible(np, "amlogic,meson-gxl-dwc3")) {
106
-		shared_resets = true;
107
-		simple->pulse_resets = true;
108
-	}
109
-
110
-	simple->resets = of_reset_control_array_get(np, shared_resets, true);
55
+	simple->resets = of_reset_control_array_get(np, false, true,
56
+						    true);
111
57
 	if (IS_ERR(simple->resets)) {
112
58
 		ret = PTR_ERR(simple->resets);
113
59
 		dev_err(dev, "failed to get device resets, err=%d\n", ret);
114
60
 		return ret;
115
61
 	}
116
62
 
117
-	if (simple->pulse_resets) {
118
-		ret = reset_control_reset(simple->resets);
119
-		if (ret)
120
-			goto err_resetc_put;
121
-	} else {
122
-		ret = reset_control_deassert(simple->resets);
123
-		if (ret)
124
-			goto err_resetc_put;
125
-	}
63
+	ret = reset_control_deassert(simple->resets);
64
+	if (ret)
65
+		goto err_resetc_put;
126
66
 
127
-	ret = dwc3_of_simple_clk_init(simple, of_count_phandle_with_args(np,
128
-						"clocks", "#clock-cells"));
67
+	ret = clk_bulk_get_all(simple->dev, &simple->clks);
68
+	if (ret < 0)
69
+		goto err_resetc_assert;
70
+
71
+	simple->num_clocks = ret;
72
+	ret = clk_bulk_prepare_enable(simple->num_clocks, simple->clks);
129
73
 	if (ret)
130
74
 		goto err_resetc_assert;
131
75
 
132
76
 	ret = of_platform_populate(np, NULL, NULL, dev);
133
-	if (ret) {
134
-		for (i = 0; i < simple->num_clocks; i++) {
135
-			clk_disable_unprepare(simple->clks[i]);
136
-			clk_put(simple->clks[i]);
137
-		}
138
-
139
-		goto err_resetc_assert;
140
-	}
77
+	if (ret)
78
+		goto err_clk_put;
141
79
 
142
80
 	pm_runtime_set_active(dev);
143
81
 	pm_runtime_enable(dev);
..
..
@@ -145,48 +83,56 @@
145
83
 
146
84
 	return 0;
147
85
 
86
+err_clk_put:
87
+	clk_bulk_disable_unprepare(simple->num_clocks, simple->clks);
88
+	clk_bulk_put_all(simple->num_clocks, simple->clks);
89
+
148
90
 err_resetc_assert:
149
-	if (!simple->pulse_resets)
150
-		reset_control_assert(simple->resets);
91
+	reset_control_assert(simple->resets);
151
92
 
152
93
 err_resetc_put:
153
94
 	reset_control_put(simple->resets);
154
95
 	return ret;
155
96
 }
156
97
 
157
-static int dwc3_of_simple_remove(struct platform_device *pdev)
98
+static void __dwc3_of_simple_teardown(struct dwc3_of_simple *simple)
158
99
 {
159
-	struct dwc3_of_simple	*simple = platform_get_drvdata(pdev);
160
-	struct device		*dev = &pdev->dev;
161
-	int			i;
100
+	of_platform_depopulate(simple->dev);
162
101
 
163
-	of_platform_depopulate(dev);
164
-
165
-	for (i = 0; i < simple->num_clocks; i++) {
166
-		clk_disable_unprepare(simple->clks[i]);
167
-		clk_put(simple->clks[i]);
168
-	}
102
+	clk_bulk_disable_unprepare(simple->num_clocks, simple->clks);
103
+	clk_bulk_put_all(simple->num_clocks, simple->clks);
169
104
 	simple->num_clocks = 0;
170
105
 
171
-	if (!simple->pulse_resets)
172
-		reset_control_assert(simple->resets);
106
+	reset_control_assert(simple->resets);
173
107
 
174
108
 	reset_control_put(simple->resets);
175
109
 
176
-	pm_runtime_disable(dev);
177
-	pm_runtime_put_noidle(dev);
178
-	pm_runtime_set_suspended(dev);
110
+	pm_runtime_disable(simple->dev);
111
+	pm_runtime_put_noidle(simple->dev);
112
+	pm_runtime_set_suspended(simple->dev);
113
+}
114
+
115
+static int dwc3_of_simple_remove(struct platform_device *pdev)
116
+{
117
+	struct dwc3_of_simple	*simple = platform_get_drvdata(pdev);
118
+
119
+	__dwc3_of_simple_teardown(simple);
179
120
 
180
121
 	return 0;
122
+}
123
+
124
+static void dwc3_of_simple_shutdown(struct platform_device *pdev)
125
+{
126
+	struct dwc3_of_simple	*simple = platform_get_drvdata(pdev);
127
+
128
+	__dwc3_of_simple_teardown(simple);
181
129
 }
182
130
 
183
131
 static int __maybe_unused dwc3_of_simple_runtime_suspend(struct device *dev)
184
132
 {
185
133
 	struct dwc3_of_simple	*simple = dev_get_drvdata(dev);
186
-	int			i;
187
134
 
188
-	for (i = 0; i < simple->num_clocks; i++)
189
-		clk_disable(simple->clks[i]);
135
+	clk_bulk_disable(simple->num_clocks, simple->clks);
190
136
 
191
137
 	return 0;
192
138
 }
..
..
@@ -194,19 +140,8 @@
194
140
 static int __maybe_unused dwc3_of_simple_runtime_resume(struct device *dev)
195
141
 {
196
142
 	struct dwc3_of_simple	*simple = dev_get_drvdata(dev);
197
-	int			ret;
198
-	int			i;
199
143
 
200
-	for (i = 0; i < simple->num_clocks; i++) {
201
-		ret = clk_enable(simple->clks[i]);
202
-		if (ret < 0) {
203
-			while (--i >= 0)
204
-				clk_disable(simple->clks[i]);
205
-			return ret;
206
-		}
207
-	}
208
-
209
-	return 0;
144
+	return clk_bulk_enable(simple->num_clocks, simple->clks);
210
145
 }
211
146
 
212
147
 static int __maybe_unused dwc3_of_simple_suspend(struct device *dev)
..
..
@@ -240,10 +175,9 @@
240
175
 	{ .compatible = "xlnx,zynqmp-dwc3" },
241
176
 	{ .compatible = "cavium,octeon-7130-usb-uctl" },
242
177
 	{ .compatible = "sprd,sc9860-dwc3" },
243
-	{ .compatible = "amlogic,meson-axg-dwc3" },
244
-	{ .compatible = "amlogic,meson-gxl-dwc3" },
245
178
 	{ .compatible = "allwinner,sun50i-h6-dwc3" },
246
179
 	{ .compatible = "hisilicon,hi3670-dwc3" },
180
+	{ .compatible = "intel,keembay-dwc3" },
247
181
 	{ /* Sentinel */ }
248
182
 };
249
183
 MODULE_DEVICE_TABLE(of, of_dwc3_simple_match);
..
..
@@ -251,6 +185,7 @@
251
185
 static struct platform_driver dwc3_of_simple_driver = {
252
186
 	.probe		= dwc3_of_simple_probe,
253
187
 	.remove		= dwc3_of_simple_remove,
188
+	.shutdown	= dwc3_of_simple_shutdown,
254
189
 	.driver		= {
255
190
 		.name	= "dwc3-of-simple",
256
191
 		.of_match_table = of_dwc3_simple_match,