add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/bluetooth/hci_mrvl.c
..
..
@@ -1,24 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /*
2
3
  *
3
4
  *  Bluetooth HCI UART driver for marvell devices
4
5
  *
5
6
  *  Copyright (C) 2016  Marvell International Ltd.
6
7
  *  Copyright (C) 2016  Intel Corporation
7
- *
8
- *  This program is free software; you can redistribute it and/or modify
9
- *  it under the terms of the GNU General Public License as published by
10
- *  the Free Software Foundation; either version 2 of the License, or
11
- *  (at your option) any later version.
12
- *
13
- *  This program is distributed in the hope that it will be useful,
14
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16
- *  GNU General Public License for more details.
17
- *
18
- *  You should have received a copy of the GNU General Public License
19
- *  along with this program; if not, write to the Free Software
20
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21
- *
22
8
  */
23
9
 
24
10
 #include <linux/kernel.h>
..
..
@@ -27,6 +13,8 @@
27
13
 #include <linux/firmware.h>
28
14
 #include <linux/module.h>
29
15
 #include <linux/tty.h>
16
+#include <linux/of.h>
17
+#include <linux/serdev.h>
30
18
 
31
19
 #include <net/bluetooth/bluetooth.h>
32
20
 #include <net/bluetooth/hci_core.h>
..
..
@@ -54,6 +42,10 @@
54
42
 	u8 id, rev;
55
43
 };
56
44
 
45
+struct mrvl_serdev {
46
+	struct hci_uart hu;
47
+};
48
+
57
49
 struct hci_mrvl_pkt {
58
50
 	__le16 lhs;
59
51
 	__le16 rhs;
..
..
@@ -63,6 +55,7 @@
63
55
 static int mrvl_open(struct hci_uart *hu)
64
56
 {
65
57
 	struct mrvl_data *mrvl;
58
+	int ret;
66
59
 
67
60
 	BT_DBG("hu %p", hu);
68
61
 
..
..
@@ -79,7 +72,18 @@
79
72
 	set_bit(STATE_CHIP_VER_PENDING, &mrvl->flags);
80
73
 
81
74
 	hu->priv = mrvl;
75
+
76
+	if (hu->serdev) {
77
+		ret = serdev_device_open(hu->serdev);
78
+		if (ret)
79
+			goto err;
80
+	}
81
+
82
82
 	return 0;
83
+err:
84
+	kfree(mrvl);
85
+
86
+	return ret;
83
87
 }
84
88
 
85
89
 static int mrvl_close(struct hci_uart *hu)
..
..
@@ -87,6 +91,9 @@
87
91
 	struct mrvl_data *mrvl = hu->priv;
88
92
 
89
93
 	BT_DBG("hu %p", hu);
94
+
95
+	if (hu->serdev)
96
+		serdev_device_close(hu->serdev);
90
97
 
91
98
 	skb_queue_purge(&mrvl->txq);
92
99
 	skb_queue_purge(&mrvl->rawq);
..
..
@@ -356,7 +363,14 @@
356
363
 		return -EINVAL;
357
364
 	}
358
365
 
359
-	hci_uart_set_baudrate(hu, 3000000);
366
+	/* Let the final ack go out before switching the baudrate */
367
+	hci_uart_wait_until_sent(hu);
368
+
369
+	if (hu->serdev)
370
+		serdev_device_set_baudrate(hu->serdev, 3000000);
371
+	else
372
+		hci_uart_set_baudrate(hu, 3000000);
373
+
360
374
 	hci_uart_set_flow_control(hu, false);
361
375
 
362
376
 	err = mrvl_load_firmware(hu->hdev, "mrvl/uart8897_bt.bin");
..
..
@@ -379,12 +393,54 @@
379
393
 	.dequeue	= mrvl_dequeue,
380
394
 };
381
395
 
396
+static int mrvl_serdev_probe(struct serdev_device *serdev)
397
+{
398
+	struct mrvl_serdev *mrvldev;
399
+
400
+	mrvldev = devm_kzalloc(&serdev->dev, sizeof(*mrvldev), GFP_KERNEL);
401
+	if (!mrvldev)
402
+		return -ENOMEM;
403
+
404
+	mrvldev->hu.serdev = serdev;
405
+	serdev_device_set_drvdata(serdev, mrvldev);
406
+
407
+	return hci_uart_register_device(&mrvldev->hu, &mrvl_proto);
408
+}
409
+
410
+static void mrvl_serdev_remove(struct serdev_device *serdev)
411
+{
412
+	struct mrvl_serdev *mrvldev = serdev_device_get_drvdata(serdev);
413
+
414
+	hci_uart_unregister_device(&mrvldev->hu);
415
+}
416
+
417
+#ifdef CONFIG_OF
418
+static const struct of_device_id mrvl_bluetooth_of_match[] = {
419
+	{ .compatible = "mrvl,88w8897" },
420
+	{ },
421
+};
422
+MODULE_DEVICE_TABLE(of, mrvl_bluetooth_of_match);
423
+#endif
424
+
425
+static struct serdev_device_driver mrvl_serdev_driver = {
426
+	.probe = mrvl_serdev_probe,
427
+	.remove = mrvl_serdev_remove,
428
+	.driver = {
429
+		.name = "hci_uart_mrvl",
430
+		.of_match_table = of_match_ptr(mrvl_bluetooth_of_match),
431
+	},
432
+};
433
+
382
434
 int __init mrvl_init(void)
383
435
 {
436
+	serdev_device_driver_register(&mrvl_serdev_driver);
437
+
384
438
 	return hci_uart_register_proto(&mrvl_proto);
385
439
 }
386
440
 
387
441
 int __exit mrvl_deinit(void)
388
442
 {
443
+	serdev_device_driver_unregister(&mrvl_serdev_driver);
444
+
389
445
 	return hci_uart_unregister_proto(&mrvl_proto);
390
446
 }