add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/bluetooth/ath3k.c
..
..
@@ -1,20 +1,6 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /*
2
3
  * Copyright (c) 2008-2009 Atheros Communications Inc.
3
- *
4
- *  This program is free software; you can redistribute it and/or modify
5
- *  it under the terms of the GNU General Public License as published by
6
- *  the Free Software Foundation; either version 2 of the License, or
7
- *  (at your option) any later version.
8
- *
9
- *  This program is distributed in the hope that it will be useful,
10
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12
- *  GNU General Public License for more details.
13
- *
14
- *  You should have received a copy of the GNU General Public License
15
- *  along with this program; if not, write to the Free Software
16
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17
- *
18
4
  */
19
5
 
20
6
 
..
..
@@ -203,10 +189,11 @@
203
189
 	{ }	/* Terminating entry */
204
190
 };
205
191
 
206
-static inline void ath3k_log_failed_loading(int err, int len, int size)
192
+static inline void ath3k_log_failed_loading(int err, int len, int size,
193
+					    int count)
207
194
 {
208
-	BT_ERR("Error in firmware loading err = %d, len = %d, size = %d",
209
-			err, len, size);
195
+	BT_ERR("Firmware loading err = %d, len = %d, size = %d, count = %d",
196
+	       err, len, size, count);
210
197
 }
211
198
 
212
199
 #define USB_REQ_DFU_DNLOAD	1
..
..
@@ -225,19 +212,16 @@
225
212
 
226
213
 	BT_DBG("udev %p", udev);
227
214
 
228
-	pipe = usb_sndctrlpipe(udev, 0);
229
-
230
215
 	send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
231
216
 	if (!send_buf) {
232
217
 		BT_ERR("Can't allocate memory chunk for firmware");
233
218
 		return -ENOMEM;
234
219
 	}
235
220
 
236
-	memcpy(send_buf, firmware->data, FW_HDR_SIZE);
237
-	err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
238
-			      0, 0, send_buf, FW_HDR_SIZE,
239
-			      USB_CTRL_SET_TIMEOUT);
240
-	if (err < 0) {
221
+	err = usb_control_msg_send(udev, 0, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
222
+				   0, 0, firmware->data, FW_HDR_SIZE,
223
+				   USB_CTRL_SET_TIMEOUT, GFP_KERNEL);
224
+	if (err) {
241
225
 		BT_ERR("Can't change to loading configuration err");
242
226
 		goto error;
243
227
 	}
..
..
@@ -257,7 +241,7 @@
257
241
 					&len, 3000);
258
242
 
259
243
 		if (err || (len != size)) {
260
-			ath3k_log_failed_loading(err, len, size);
244
+			ath3k_log_failed_loading(err, len, size, count);
261
245
 			goto error;
262
246
 		}
263
247
 
..
..
@@ -272,44 +256,19 @@
272
256
 
273
257
 static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
274
258
 {
275
-	int ret, pipe = 0;
276
-	char *buf;
277
-
278
-	buf = kmalloc(sizeof(*buf), GFP_KERNEL);
279
-	if (!buf)
280
-		return -ENOMEM;
281
-
282
-	pipe = usb_rcvctrlpipe(udev, 0);
283
-	ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
284
-			      USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
285
-			      buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
286
-
287
-	*state = *buf;
288
-	kfree(buf);
289
-
290
-	return ret;
259
+	return usb_control_msg_recv(udev, 0, ATH3K_GETSTATE,
260
+				    USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
261
+				    state, 1, USB_CTRL_SET_TIMEOUT,
262
+				    GFP_KERNEL);
291
263
 }
292
264
 
293
265
 static int ath3k_get_version(struct usb_device *udev,
294
266
 			struct ath3k_version *version)
295
267
 {
296
-	int ret, pipe = 0;
297
-	struct ath3k_version *buf;
298
-	const int size = sizeof(*buf);
299
-
300
-	buf = kmalloc(size, GFP_KERNEL);
301
-	if (!buf)
302
-		return -ENOMEM;
303
-
304
-	pipe = usb_rcvctrlpipe(udev, 0);
305
-	ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
306
-			      USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
307
-			      buf, size, USB_CTRL_SET_TIMEOUT);
308
-
309
-	memcpy(version, buf, size);
310
-	kfree(buf);
311
-
312
-	return ret;
268
+	return usb_control_msg_recv(udev, 0, ATH3K_GETVERSION,
269
+				    USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
270
+				    version, sizeof(*version), USB_CTRL_SET_TIMEOUT,
271
+				    GFP_KERNEL);
313
272
 }
314
273
 
315
274
 static int ath3k_load_fwfile(struct usb_device *udev,
..
..
@@ -329,13 +288,11 @@
329
288
 	}
330
289
 
331
290
 	size = min_t(uint, count, FW_HDR_SIZE);
332
-	memcpy(send_buf, firmware->data, size);
333
291
 
334
-	pipe = usb_sndctrlpipe(udev, 0);
335
-	ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
336
-			USB_TYPE_VENDOR, 0, 0, send_buf,
337
-			size, USB_CTRL_SET_TIMEOUT);
338
-	if (ret < 0) {
292
+	ret = usb_control_msg_send(udev, 0, ATH3K_DNLOAD, USB_TYPE_VENDOR, 0, 0,
293
+				   firmware->data, size, USB_CTRL_SET_TIMEOUT,
294
+				   GFP_KERNEL);
295
+	if (ret) {
339
296
 		BT_ERR("Can't change to loading configuration err");
340
297
 		kfree(send_buf);
341
298
 		return ret;
..
..
@@ -356,7 +313,7 @@
356
313
 		err = usb_bulk_msg(udev, pipe, send_buf, size,
357
314
 					&len, 3000);
358
315
 		if (err || (len != size)) {
359
-			ath3k_log_failed_loading(err, len, size);
316
+			ath3k_log_failed_loading(err, len, size, count);
360
317
 			kfree(send_buf);
361
318
 			return err;
362
319
 		}
..
..
@@ -368,23 +325,19 @@
368
325
 	return 0;
369
326
 }
370
327
 
371
-static int ath3k_switch_pid(struct usb_device *udev)
328
+static void ath3k_switch_pid(struct usb_device *udev)
372
329
 {
373
-	int pipe = 0;
374
-
375
-	pipe = usb_sndctrlpipe(udev, 0);
376
-	return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
377
-			USB_TYPE_VENDOR, 0, 0,
378
-			NULL, 0, USB_CTRL_SET_TIMEOUT);
330
+	usb_control_msg_send(udev, 0, USB_REG_SWITCH_VID_PID, USB_TYPE_VENDOR,
331
+			     0, 0, NULL, 0, USB_CTRL_SET_TIMEOUT, GFP_KERNEL);
379
332
 }
380
333
 
381
334
 static int ath3k_set_normal_mode(struct usb_device *udev)
382
335
 {
383
336
 	unsigned char fw_state;
384
-	int pipe = 0, ret;
337
+	int ret;
385
338
 
386
339
 	ret = ath3k_get_state(udev, &fw_state);
387
-	if (ret < 0) {
340
+	if (ret) {
388
341
 		BT_ERR("Can't get state to change to normal mode err");
389
342
 		return ret;
390
343
 	}
..
..
@@ -394,10 +347,9 @@
394
347
 		return 0;
395
348
 	}
396
349
 
397
-	pipe = usb_sndctrlpipe(udev, 0);
398
-	return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
399
-			USB_TYPE_VENDOR, 0, 0,
400
-			NULL, 0, USB_CTRL_SET_TIMEOUT);
350
+	return usb_control_msg_send(udev, 0, ATH3K_SET_NORMAL_MODE,
351
+				    USB_TYPE_VENDOR, 0, 0, NULL, 0,
352
+				    USB_CTRL_SET_TIMEOUT, GFP_KERNEL);
401
353
 }
402
354
 
403
355
 static int ath3k_load_patch(struct usb_device *udev)
..
..
@@ -410,7 +362,7 @@
410
362
 	int ret;
411
363
 
412
364
 	ret = ath3k_get_state(udev, &fw_state);
413
-	if (ret < 0) {
365
+	if (ret) {
414
366
 		BT_ERR("Can't get state to change to load ram patch err");
415
367
 		return ret;
416
368
 	}
..
..
@@ -421,7 +373,7 @@
421
373
 	}
422
374
 
423
375
 	ret = ath3k_get_version(udev, &fw_version);
424
-	if (ret < 0) {
376
+	if (ret) {
425
377
 		BT_ERR("Can't get version to change to load ram patch err");
426
378
 		return ret;
427
379
 	}
..
..
@@ -462,13 +414,13 @@
462
414
 	int clk_value, ret;
463
415
 
464
416
 	ret = ath3k_get_state(udev, &fw_state);
465
-	if (ret < 0) {
417
+	if (ret) {
466
418
 		BT_ERR("Can't get state to change to load configuration err");
467
419
 		return -EBUSY;
468
420
 	}
469
421
 
470
422
 	ret = ath3k_get_version(udev, &fw_version);
471
-	if (ret < 0) {
423
+	if (ret) {
472
424
 		BT_ERR("Can't get version to change to load ram patch err");
473
425
 		return ret;
474
426
 	}
..
..
@@ -542,7 +494,7 @@
542
494
 			return ret;
543
495
 		}
544
496
 		ret = ath3k_set_normal_mode(udev);
545
-		if (ret < 0) {
497
+		if (ret) {
546
498
 			BT_ERR("Set normal mode failed");
547
499
 			return ret;
548
500
 		}