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2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87 
 kernel/drivers/hid/intel-ish-hid/ishtp-hid-client.c
....@@ -1,28 +1,21 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * ISHTP client driver for HID (ISH)
34  *
45  * Copyright (c) 2014-2016, Intel Corporation.
5
- *
6
- * This program is free software; you can redistribute it and/or modify it
7
- * under the terms and conditions of the GNU General Public License,
8
- * version 2, as published by the Free Software Foundation.
9
- *
10
- * This program is distributed in the hope it will be useful, but WITHOUT
11
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13
- * more details.
146  */
157 
168 #include <linux/module.h>
179 #include <linux/hid.h>
10
+#include <linux/intel-ish-client-if.h>
1811 #include <linux/sched.h>
19
-#include "ishtp/ishtp-dev.h"
20
-#include "ishtp/client.h"
2112 #include "ishtp-hid.h"
2213 
2314 /* Rx ring buffer pool size */
2415 #define HID_CL_RX_RING_SIZE	32
2516 #define HID_CL_TX_RING_SIZE	16
17
+
18
+#define cl_data_to_dev(client_data) ishtp_device(client_data->cl_device)
2619 
2720 /**
2821  * report_bad_packets() - Report bad packets
....@@ -37,9 +30,9 @@
3730 			      size_t cur_pos,  size_t payload_len)
3831 {
3932 	struct hostif_msg *recv_msg = recv_buf;
40
-	struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
33
+	struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
4134 
42
-	dev_err(&client_data->cl_device->dev, "[hid-ish]: BAD packet %02X\n"
35
+	dev_err(cl_data_to_dev(client_data), "[hid-ish]: BAD packet %02X\n"
4336 		"total_bad=%u cur_pos=%u\n"
4437 		"[%02X %02X %02X %02X]\n"
4538 		"payload_len=%u\n"
....@@ -69,13 +62,15 @@
6962 	unsigned char *payload;
7063 	struct device_info *dev_info;
7164 	int i, j;
72
-	size_t	payload_len, total_len, cur_pos;
65
+	size_t	payload_len, total_len, cur_pos, raw_len;
7366 	int report_type;
7467 	struct report_list *reports_list;
7568 	char *reports;
7669 	size_t report_len;
77
-	struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
70
+	struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
7871 	int curr_hid_dev = client_data->cur_hid_dev;
72
+	struct ishtp_hid_data *hid_data = NULL;
73
+	struct hid_device *hid = NULL;
7974 
8075 	payload = recv_buf + sizeof(struct hostif_msg_hdr);
8176 	total_len = data_len;
....@@ -83,12 +78,12 @@
8378 
8479 	do {
8580 		if (cur_pos + sizeof(struct hostif_msg) > total_len) {
86
-			dev_err(&client_data->cl_device->dev,
81
+			dev_err(cl_data_to_dev(client_data),
8782 				"[hid-ish]: error, received %u which is less than data header %u\n",
8883 				(unsigned int)data_len,
8984 				(unsigned int)sizeof(struct hostif_msg_hdr));
9085 			++client_data->bad_recv_cnt;
91
-			ish_hw_reset(hid_ishtp_cl->dev);
86
+			ish_hw_reset(ishtp_get_ishtp_device(hid_ishtp_cl));
9287 			break;
9388 		}
9489 
....@@ -101,7 +96,7 @@
10196 			++client_data->bad_recv_cnt;
10297 			report_bad_packet(hid_ishtp_cl, recv_msg, cur_pos,
10398 					  payload_len);
104
-			ish_hw_reset(hid_ishtp_cl->dev);
99
+			ish_hw_reset(ishtp_get_ishtp_device(hid_ishtp_cl));
105100 			break;
106101 		}
107102 
....@@ -116,18 +111,18 @@
116111 				report_bad_packet(hid_ishtp_cl, recv_msg,
117112 						  cur_pos,
118113 						  payload_len);
119
-				ish_hw_reset(hid_ishtp_cl->dev);
114
+				ish_hw_reset(ishtp_get_ishtp_device(hid_ishtp_cl));
120115 				break;
121116 			}
122117 			client_data->hid_dev_count = (unsigned int)*payload;
123118 			if (!client_data->hid_devices)
124119 				client_data->hid_devices = devm_kcalloc(
125
-						&client_data->cl_device->dev,
120
+						cl_data_to_dev(client_data),
126121 						client_data->hid_dev_count,
127122 						sizeof(struct device_info),
128123 						GFP_KERNEL);
129124 			if (!client_data->hid_devices) {
130
-				dev_err(&client_data->cl_device->dev,
125
+				dev_err(cl_data_to_dev(client_data),
131126 				"Mem alloc failed for hid device info\n");
132127 				wake_up_interruptible(&client_data->init_wait);
133128 				break;
....@@ -135,7 +130,7 @@
135130 			for (i = 0; i < client_data->hid_dev_count; ++i) {
136131 				if (1 + sizeof(struct device_info) * i >=
137132 						payload_len) {
138
-					dev_err(&client_data->cl_device->dev,
133
+					dev_err(cl_data_to_dev(client_data),
139134 						"[hid-ish]: [ENUM_DEVICES]: content size %zu is bigger than payload_len %zu\n",
140135 						1 + sizeof(struct device_info)
141136 						* i, payload_len);
....@@ -165,12 +160,12 @@
165160 				report_bad_packet(hid_ishtp_cl, recv_msg,
166161 						  cur_pos,
167162 						  payload_len);
168
-				ish_hw_reset(hid_ishtp_cl->dev);
163
+				ish_hw_reset(ishtp_get_ishtp_device(hid_ishtp_cl));
169164 				break;
170165 			}
171166 			if (!client_data->hid_descr[curr_hid_dev])
172167 				client_data->hid_descr[curr_hid_dev] =
173
-				devm_kmalloc(&client_data->cl_device->dev,
168
+				devm_kmalloc(cl_data_to_dev(client_data),
174169 					     payload_len, GFP_KERNEL);
175170 			if (client_data->hid_descr[curr_hid_dev]) {
176171 				memcpy(client_data->hid_descr[curr_hid_dev],
....@@ -190,12 +185,12 @@
190185 				report_bad_packet(hid_ishtp_cl, recv_msg,
191186 						  cur_pos,
192187 						  payload_len);
193
-				ish_hw_reset(hid_ishtp_cl->dev);
188
+				ish_hw_reset(ishtp_get_ishtp_device(hid_ishtp_cl));
194189 				break;
195190 			}
196191 			if (!client_data->report_descr[curr_hid_dev])
197192 				client_data->report_descr[curr_hid_dev] =
198
-				devm_kmalloc(&client_data->cl_device->dev,
193
+				devm_kmalloc(cl_data_to_dev(client_data),
199194 					     payload_len, GFP_KERNEL);
200195 			if (client_data->report_descr[curr_hid_dev])  {
201196 				memcpy(client_data->report_descr[curr_hid_dev],
....@@ -219,18 +214,31 @@
219214 			/* Get index of device that matches this id */
220215 			for (i = 0; i < client_data->num_hid_devices; ++i) {
221216 				if (recv_msg->hdr.device_id ==
222
-					client_data->hid_devices[i].dev_id)
223
-					if (client_data->hid_sensor_hubs[i]) {
224
-						hid_input_report(
225
-						client_data->hid_sensor_hubs[
226
-									i],
227
-						report_type, payload,
228
-						payload_len, 0);
229
-						ishtp_hid_wakeup(
230
-						client_data->hid_sensor_hubs[
231
-							i]);
217
+					  client_data->hid_devices[i].dev_id) {
218
+					hid = client_data->hid_sensor_hubs[i];
219
+					if (!hid)
232220 						break;
221
+
222
+					hid_data = hid->driver_data;
223
+					if (hid_data->raw_get_req) {
224
+						raw_len =
225
+						  (hid_data->raw_buf_size <
226
+								payload_len) ?
227
+						  hid_data->raw_buf_size :
228
+						  payload_len;
229
+
230
+						memcpy(hid_data->raw_buf,
231
+						       payload, raw_len);
232
+					} else {
233
+						hid_input_report
234
+							(hid, report_type,
235
+							 payload, payload_len,
236
+							 0);
233237 					}
238
+
239
+					ishtp_hid_wakeup(hid);
240
+					break;
241
+				}
234242 			}
235243 			break;
236244 
....@@ -295,7 +303,7 @@
295303 			++client_data->bad_recv_cnt;
296304 			report_bad_packet(hid_ishtp_cl, recv_msg, cur_pos,
297305 					  payload_len);
298
-			ish_hw_reset(hid_ishtp_cl->dev);
306
+			ish_hw_reset(ishtp_get_ishtp_device(hid_ishtp_cl));
299307 			break;
300308 
301309 		}
....@@ -320,23 +328,14 @@
320328  */
321329 static void ish_cl_event_cb(struct ishtp_cl_device *device)
322330 {
323
-	struct ishtp_cl	*hid_ishtp_cl = device->driver_data;
331
+	struct ishtp_cl	*hid_ishtp_cl = ishtp_get_drvdata(device);
324332 	struct ishtp_cl_rb *rb_in_proc;
325333 	size_t r_length;
326
-	unsigned long flags;
327334 
328335 	if (!hid_ishtp_cl)
329336 		return;
330337 
331
-	spin_lock_irqsave(&hid_ishtp_cl->in_process_spinlock, flags);
332
-	while (!list_empty(&hid_ishtp_cl->in_process_list.list)) {
333
-		rb_in_proc = list_entry(
334
-			hid_ishtp_cl->in_process_list.list.next,
335
-			struct ishtp_cl_rb, list);
336
-		list_del_init(&rb_in_proc->list);
337
-		spin_unlock_irqrestore(&hid_ishtp_cl->in_process_spinlock,
338
-			flags);
339
-
338
+	while ((rb_in_proc = ishtp_cl_rx_get_rb(hid_ishtp_cl)) != NULL) {
340339 		if (!rb_in_proc->buffer.data)
341340 			return;
342341 
....@@ -346,9 +345,7 @@
346345 		process_recv(hid_ishtp_cl, rb_in_proc->buffer.data, r_length);
347346 
348347 		ishtp_cl_io_rb_recycle(rb_in_proc);
349
-		spin_lock_irqsave(&hid_ishtp_cl->in_process_spinlock, flags);
350348 	}
351
-	spin_unlock_irqrestore(&hid_ishtp_cl->in_process_spinlock, flags);
352349 }
353350 
354351 /**
....@@ -486,7 +483,7 @@
486483 static int ishtp_enum_enum_devices(struct ishtp_cl *hid_ishtp_cl)
487484 {
488485 	struct hostif_msg msg;
489
-	struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
486
+	struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
490487 	int retry_count;
491488 	int rv;
492489 
....@@ -512,18 +509,18 @@
512509 					   sizeof(struct hostif_msg));
513510 	}
514511 	if (!client_data->enum_devices_done) {
515
-		dev_err(&client_data->cl_device->dev,
512
+		dev_err(cl_data_to_dev(client_data),
516513 			"[hid-ish]: timed out waiting for enum_devices\n");
517514 		return -ETIMEDOUT;
518515 	}
519516 	if (!client_data->hid_devices) {
520
-		dev_err(&client_data->cl_device->dev,
517
+		dev_err(cl_data_to_dev(client_data),
521518 			"[hid-ish]: failed to allocate HID dev structures\n");
522519 		return -ENOMEM;
523520 	}
524521 
525522 	client_data->num_hid_devices = client_data->hid_dev_count;
526
-	dev_info(&hid_ishtp_cl->device->dev,
523
+	dev_info(ishtp_device(client_data->cl_device),
527524 		"[hid-ish]: enum_devices_done OK, num_hid_devices=%d\n",
528525 		client_data->num_hid_devices);
529526 
....@@ -542,7 +539,7 @@
542539 static int ishtp_get_hid_descriptor(struct ishtp_cl *hid_ishtp_cl, int index)
543540 {
544541 	struct hostif_msg msg;
545
-	struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
542
+	struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
546543 	int rv;
547544 
548545 	/* Get HID descriptor */
....@@ -560,13 +557,13 @@
560557 						 client_data->hid_descr_done,
561558 						 3 * HZ);
562559 		if (!client_data->hid_descr_done) {
563
-			dev_err(&client_data->cl_device->dev,
560
+			dev_err(cl_data_to_dev(client_data),
564561 				"[hid-ish]: timed out for hid_descr_done\n");
565562 			return -EIO;
566563 		}
567564 
568565 		if (!client_data->hid_descr[index]) {
569
-			dev_err(&client_data->cl_device->dev,
566
+			dev_err(cl_data_to_dev(client_data),
570567 				"[hid-ish]: allocation HID desc fail\n");
571568 			return -ENOMEM;
572569 		}
....@@ -589,7 +586,7 @@
589586 				       int index)
590587 {
591588 	struct hostif_msg msg;
592
-	struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
589
+	struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
593590 	int rv;
594591 
595592 	/* Get report descriptor */
....@@ -607,12 +604,12 @@
607604 					 client_data->report_descr_done,
608605 					 3 * HZ);
609606 	if (!client_data->report_descr_done) {
610
-		dev_err(&client_data->cl_device->dev,
607
+		dev_err(cl_data_to_dev(client_data),
611608 				"[hid-ish]: timed out for report descr\n");
612609 		return -EIO;
613610 	}
614611 	if (!client_data->report_descr[index]) {
615
-		dev_err(&client_data->cl_device->dev,
612
+		dev_err(cl_data_to_dev(client_data),
616613 			"[hid-ish]: failed to alloc report descr\n");
617614 		return -ENOMEM;
618615 	}
....@@ -637,44 +634,42 @@
637634 static int hid_ishtp_cl_init(struct ishtp_cl *hid_ishtp_cl, int reset)
638635 {
639636 	struct ishtp_device *dev;
640
-	unsigned long flags;
641
-	struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
637
+	struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
638
+	struct ishtp_fw_client *fw_client;
642639 	int i;
643640 	int rv;
644641 
645
-	dev_dbg(&client_data->cl_device->dev, "%s\n", __func__);
642
+	dev_dbg(cl_data_to_dev(client_data), "%s\n", __func__);
646643 	hid_ishtp_trace(client_data,  "%s reset flag: %d\n", __func__, reset);
647644 
648
-	rv = ishtp_cl_link(hid_ishtp_cl, ISHTP_HOST_CLIENT_ID_ANY);
645
+	rv = ishtp_cl_link(hid_ishtp_cl);
649646 	if (rv) {
650
-		dev_err(&client_data->cl_device->dev,
647
+		dev_err(cl_data_to_dev(client_data),
651648 			"ishtp_cl_link failed\n");
652649 		return	-ENOMEM;
653650 	}
654651 
655652 	client_data->init_done = 0;
656653 
657
-	dev = hid_ishtp_cl->dev;
654
+	dev = ishtp_get_ishtp_device(hid_ishtp_cl);
658655 
659656 	/* Connect to FW client */
660
-	hid_ishtp_cl->rx_ring_size = HID_CL_RX_RING_SIZE;
661
-	hid_ishtp_cl->tx_ring_size = HID_CL_TX_RING_SIZE;
657
+	ishtp_set_tx_ring_size(hid_ishtp_cl, HID_CL_TX_RING_SIZE);
658
+	ishtp_set_rx_ring_size(hid_ishtp_cl, HID_CL_RX_RING_SIZE);
662659 
663
-	spin_lock_irqsave(&dev->fw_clients_lock, flags);
664
-	i = ishtp_fw_cl_by_uuid(dev, &hid_ishtp_guid);
665
-	if (i < 0) {
666
-		spin_unlock_irqrestore(&dev->fw_clients_lock, flags);
667
-		dev_err(&client_data->cl_device->dev,
660
+	fw_client = ishtp_fw_cl_get_client(dev, &hid_ishtp_guid);
661
+	if (!fw_client) {
662
+		dev_err(cl_data_to_dev(client_data),
668663 			"ish client uuid not found\n");
669
-		return i;
664
+		return -ENOENT;
670665 	}
671
-	hid_ishtp_cl->fw_client_id = dev->fw_clients[i].client_id;
672
-	spin_unlock_irqrestore(&dev->fw_clients_lock, flags);
673
-	hid_ishtp_cl->state = ISHTP_CL_CONNECTING;
666
+	ishtp_cl_set_fw_client_id(hid_ishtp_cl,
667
+				  ishtp_get_fw_client_id(fw_client));
668
+	ishtp_set_connection_state(hid_ishtp_cl, ISHTP_CL_CONNECTING);
674669 
675670 	rv = ishtp_cl_connect(hid_ishtp_cl);
676671 	if (rv) {
677
-		dev_err(&client_data->cl_device->dev,
672
+		dev_err(cl_data_to_dev(client_data),
678673 			"client connect fail\n");
679674 		goto err_cl_unlink;
680675 	}
....@@ -682,7 +677,7 @@
682677 	hid_ishtp_trace(client_data,  "%s client connected\n", __func__);
683678 
684679 	/* Register read callback */
685
-	ishtp_register_event_cb(hid_ishtp_cl->device, ish_cl_event_cb);
680
+	ishtp_register_event_cb(client_data->cl_device, ish_cl_event_cb);
686681 
687682 	rv = ishtp_enum_enum_devices(hid_ishtp_cl);
688683 	if (rv)
....@@ -705,7 +700,7 @@
705700 		if (!reset) {
706701 			rv = ishtp_hid_probe(i, client_data);
707702 			if (rv) {
708
-				dev_err(&client_data->cl_device->dev,
703
+				dev_err(cl_data_to_dev(client_data),
709704 				"[hid-ish]: HID probe for #%u failed: %d\n",
710705 				i, rv);
711706 				goto err_cl_disconnect;
....@@ -720,7 +715,7 @@
720715 	return 0;
721716 
722717 err_cl_disconnect:
723
-	hid_ishtp_cl->state = ISHTP_CL_DISCONNECTING;
718
+	ishtp_set_connection_state(hid_ishtp_cl, ISHTP_CL_DISCONNECTING);
724719 	ishtp_cl_disconnect(hid_ishtp_cl);
725720 err_cl_unlink:
726721 	ishtp_cl_unlink(hid_ishtp_cl);
....@@ -757,16 +752,16 @@
757752 
758753 	hid_ishtp_trace(client_data, "%s hid_ishtp_cl %p\n", __func__,
759754 			hid_ishtp_cl);
760
-	dev_dbg(&cl_device->dev, "%s\n", __func__);
755
+	dev_dbg(ishtp_device(client_data->cl_device), "%s\n", __func__);
761756 
762757 	hid_ishtp_cl_deinit(hid_ishtp_cl);
763758 
764
-	hid_ishtp_cl = ishtp_cl_allocate(cl_device->ishtp_dev);
759
+	hid_ishtp_cl = ishtp_cl_allocate(cl_device);
765760 	if (!hid_ishtp_cl)
766761 		return;
767762 
768
-	cl_device->driver_data = hid_ishtp_cl;
769
-	hid_ishtp_cl->client_data = client_data;
763
+	ishtp_set_drvdata(cl_device, hid_ishtp_cl);
764
+	ishtp_set_client_data(hid_ishtp_cl, client_data);
770765 	client_data->hid_ishtp_cl = hid_ishtp_cl;
771766 
772767 	client_data->num_hid_devices = 0;
....@@ -775,14 +770,16 @@
775770 		rv = hid_ishtp_cl_init(hid_ishtp_cl, 1);
776771 		if (!rv)
777772 			break;
778
-		dev_err(&client_data->cl_device->dev, "Retry reset init\n");
773
+		dev_err(cl_data_to_dev(client_data), "Retry reset init\n");
779774 	}
780775 	if (rv) {
781
-		dev_err(&client_data->cl_device->dev, "Reset Failed\n");
776
+		dev_err(cl_data_to_dev(client_data), "Reset Failed\n");
782777 		hid_ishtp_trace(client_data, "%s Failed hid_ishtp_cl %p\n",
783778 				__func__, hid_ishtp_cl);
784779 	}
785780 }
781
+
782
+void (*hid_print_trace)(void *unused, const char *format, ...);
786783 
787784 /**
788785  * hid_ishtp_cl_probe() - ISHTP client driver probe
....@@ -801,21 +798,18 @@
801798 	if (!cl_device)
802799 		return	-ENODEV;
803800 
804
-	if (uuid_le_cmp(hid_ishtp_guid,
805
-			cl_device->fw_client->props.protocol_name) != 0)
806
-		return	-ENODEV;
807
-
808
-	client_data = devm_kzalloc(&cl_device->dev, sizeof(*client_data),
801
+	client_data = devm_kzalloc(ishtp_device(cl_device),
802
+				   sizeof(*client_data),
809803 				   GFP_KERNEL);
810804 	if (!client_data)
811805 		return -ENOMEM;
812806 
813
-	hid_ishtp_cl = ishtp_cl_allocate(cl_device->ishtp_dev);
807
+	hid_ishtp_cl = ishtp_cl_allocate(cl_device);
814808 	if (!hid_ishtp_cl)
815809 		return -ENOMEM;
816810 
817
-	cl_device->driver_data = hid_ishtp_cl;
818
-	hid_ishtp_cl->client_data = client_data;
811
+	ishtp_set_drvdata(cl_device, hid_ishtp_cl);
812
+	ishtp_set_client_data(hid_ishtp_cl, client_data);
819813 	client_data->hid_ishtp_cl = hid_ishtp_cl;
820814 	client_data->cl_device = cl_device;
821815 
....@@ -823,6 +817,8 @@
823817 	init_waitqueue_head(&client_data->ishtp_resume_wait);
824818 
825819 	INIT_WORK(&client_data->work, hid_ishtp_cl_reset_handler);
820
+
821
+	hid_print_trace = ishtp_trace_callback(cl_device);
826822 
827823 	rv = hid_ishtp_cl_init(hid_ishtp_cl, 0);
828824 	if (rv) {
....@@ -844,14 +840,14 @@
844840  */
845841 static int hid_ishtp_cl_remove(struct ishtp_cl_device *cl_device)
846842 {
847
-	struct ishtp_cl *hid_ishtp_cl = cl_device->driver_data;
848
-	struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
843
+	struct ishtp_cl *hid_ishtp_cl = ishtp_get_drvdata(cl_device);
844
+	struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
849845 
850846 	hid_ishtp_trace(client_data, "%s hid_ishtp_cl %p\n", __func__,
851847 			hid_ishtp_cl);
852848 
853
-	dev_dbg(&cl_device->dev, "%s\n", __func__);
854
-	hid_ishtp_cl->state = ISHTP_CL_DISCONNECTING;
849
+	dev_dbg(ishtp_device(cl_device), "%s\n", __func__);
850
+	ishtp_set_connection_state(hid_ishtp_cl, ISHTP_CL_DISCONNECTING);
855851 	ishtp_cl_disconnect(hid_ishtp_cl);
856852 	ishtp_put_device(cl_device);
857853 	ishtp_hid_remove(client_data);
....@@ -874,8 +870,8 @@
874870  */
875871 static int hid_ishtp_cl_reset(struct ishtp_cl_device *cl_device)
876872 {
877
-	struct ishtp_cl *hid_ishtp_cl = cl_device->driver_data;
878
-	struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
873
+	struct ishtp_cl *hid_ishtp_cl = ishtp_get_drvdata(cl_device);
874
+	struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
879875 
880876 	hid_ishtp_trace(client_data, "%s hid_ishtp_cl %p\n", __func__,
881877 			hid_ishtp_cl);
....@@ -884,8 +880,6 @@
884880 
885881 	return 0;
886882 }
887
-
888
-#define to_ishtp_cl_device(d) container_of(d, struct ishtp_cl_device, dev)
889883 
890884 /**
891885  * hid_ishtp_cl_suspend() - ISHTP client driver suspend
....@@ -897,9 +891,9 @@
897891  */
898892 static int hid_ishtp_cl_suspend(struct device *device)
899893 {
900
-	struct ishtp_cl_device *cl_device = to_ishtp_cl_device(device);
901
-	struct ishtp_cl *hid_ishtp_cl = cl_device->driver_data;
902
-	struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
894
+	struct ishtp_cl_device *cl_device = ishtp_dev_to_cl_device(device);
895
+	struct ishtp_cl *hid_ishtp_cl = ishtp_get_drvdata(cl_device);
896
+	struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
903897 
904898 	hid_ishtp_trace(client_data, "%s hid_ishtp_cl %p\n", __func__,
905899 			hid_ishtp_cl);
....@@ -918,9 +912,9 @@
918912  */
919913 static int hid_ishtp_cl_resume(struct device *device)
920914 {
921
-	struct ishtp_cl_device *cl_device = to_ishtp_cl_device(device);
922
-	struct ishtp_cl *hid_ishtp_cl = cl_device->driver_data;
923
-	struct ishtp_cl_data *client_data = hid_ishtp_cl->client_data;
915
+	struct ishtp_cl_device *cl_device = ishtp_dev_to_cl_device(device);
916
+	struct ishtp_cl *hid_ishtp_cl = ishtp_get_drvdata(cl_device);
917
+	struct ishtp_cl_data *client_data = ishtp_get_client_data(hid_ishtp_cl);
924918 
925919 	hid_ishtp_trace(client_data, "%s hid_ishtp_cl %p\n", __func__,
926920 			hid_ishtp_cl);
....@@ -935,6 +929,7 @@
935929 
936930 static struct ishtp_cl_driver	hid_ishtp_cl_driver = {
937931 	.name = "ish-hid",
932
+	.guid = &hid_ishtp_guid,
938933 	.probe = hid_ishtp_cl_probe,
939934 	.remove = hid_ishtp_cl_remove,
940935 	.reset = hid_ishtp_cl_reset,
....@@ -946,7 +941,7 @@
946941 	int	rv;
947942 
948943 	/* Register ISHTP client device driver with ISHTP Bus */
949
-	rv = ishtp_cl_driver_register(&hid_ishtp_cl_driver);
944
+	rv = ishtp_cl_driver_register(&hid_ishtp_cl_driver, THIS_MODULE);
950945 
951946 	return rv;
952947