mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/input/misc/rk805-pwrkey.c
..
..
@@ -1,14 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /*
2
3
  * Rockchip RK805 PMIC Power Key driver
3
4
  *
4
5
  * Copyright (c) 2017, Fuzhou Rockchip Electronics Co., Ltd
5
6
  *
6
7
  * Author: Joseph Chen <chenjh@rock-chips.com>
7
- *
8
- * This program is free software; you can redistribute it and/or modify it
9
- * under  the terms of the GNU General  Public License as published by the
10
- * Free Software Foundation; either version 2 of the License, or (at your
11
- * option) any later version.
12
8
  */
13
9
 
14
10
 #include <linux/errno.h>
..
..
@@ -17,6 +13,7 @@
17
13
 #include <linux/interrupt.h>
18
14
 #include <linux/kernel.h>
19
15
 #include <linux/module.h>
16
+#include <linux/of.h>
20
17
 #include <linux/platform_device.h>
21
18
 
22
19
 static irqreturn_t pwrkey_fall_irq(int irq, void *_pwr)
..
..
@@ -43,7 +40,14 @@
43
40
 {
44
41
 	struct input_dev *pwr;
45
42
 	int fall_irq, rise_irq;
43
+	struct device_node *np;
46
44
 	int err;
45
+
46
+	np = of_get_child_by_name(pdev->dev.parent->of_node, "pwrkey");
47
+	if (np && !of_device_is_available(np)) {
48
+		dev_info(&pdev->dev, "device is disabled\n");
49
+		return -EINVAL;
50
+	}
47
51
 
48
52
 	pwr = devm_input_allocate_device(&pdev->dev);
49
53
 	if (!pwr) {
..
..
@@ -57,16 +61,12 @@
57
61
 	input_set_capability(pwr, EV_KEY, KEY_POWER);
58
62
 
59
63
 	fall_irq = platform_get_irq(pdev, 0);
60
-	if (fall_irq < 0) {
61
-		dev_err(&pdev->dev, "Can't get fall irq: %d\n", fall_irq);
64
+	if (fall_irq < 0)
62
65
 		return fall_irq;
63
-	}
64
66
 
65
67
 	rise_irq = platform_get_irq(pdev, 1);
66
-	if (rise_irq < 0) {
67
-		dev_err(&pdev->dev, "Can't get rise irq: %d\n", rise_irq);
68
+	if (rise_irq < 0)
68
69
 		return rise_irq;
69
-	}
70
70
 
71
71
 	err = devm_request_any_context_irq(&pwr->dev, fall_irq,
72
72
 					   pwrkey_fall_irq,
..
..
@@ -106,6 +106,7 @@
106
106
 };
107
107
 module_platform_driver(rk805_pwrkey_driver);
108
108
 
109
+MODULE_ALIAS("platform:rk805-pwrkey");
109
110
 MODULE_AUTHOR("Joseph Chen <chenjh@rock-chips.com>");
110
111
 MODULE_DESCRIPTION("RK805 PMIC Power Key driver");
111
112
 MODULE_LICENSE("GPL");