add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/net/can/slcan.c
..
..
@@ -55,6 +55,7 @@
55
55
 #include <linux/workqueue.h>
56
56
 #include <linux/can.h>
57
57
 #include <linux/can/skb.h>
58
+#include <linux/can/can-ml.h>
58
59
 
59
60
 MODULE_ALIAS_LDISC(N_SLCAN);
60
61
 MODULE_DESCRIPTION("serial line CAN interface");
..
..
@@ -152,7 +153,7 @@
152
153
 	switch (*cmd) {
153
154
 	case 'r':
154
155
 		cf.can_id = CAN_RTR_FLAG;
155
-		/* fallthrough */
156
+		fallthrough;
156
157
 	case 't':
157
158
 		/* store dlc ASCII value and terminate SFF CAN ID string */
158
159
 		cf.can_dlc = sl->rbuff[SLC_CMD_LEN + SLC_SFF_ID_LEN];
..
..
@@ -162,7 +163,7 @@
162
163
 		break;
163
164
 	case 'R':
164
165
 		cf.can_id = CAN_RTR_FLAG;
165
-		/* fallthrough */
166
+		fallthrough;
166
167
 	case 'T':
167
168
 		cf.can_id |= CAN_EFF_FLAG;
168
169
 		/* store dlc ASCII value and terminate EFF CAN ID string */
..
..
@@ -345,11 +346,8 @@
345
346
 
346
347
 	rcu_read_lock();
347
348
 	sl = rcu_dereference(tty->disc_data);
348
-	if (!sl)
349
-		goto out;
350
-
351
-	schedule_work(&sl->tx_work);
352
-out:
349
+	if (sl)
350
+		schedule_work(&sl->tx_work);
353
351
 	rcu_read_unlock();
354
352
 }
355
353
 
..
..
@@ -518,7 +516,9 @@
518
516
 	int i;
519
517
 	char name[IFNAMSIZ];
520
518
 	struct net_device *dev = NULL;
519
+	struct can_ml_priv *can_ml;
521
520
 	struct slcan       *sl;
521
+	int size;
522
522
 
523
523
 	for (i = 0; i < maxdev; i++) {
524
524
 		dev = slcan_devs[i];
..
..
@@ -532,12 +532,15 @@
532
532
 		return NULL;
533
533
 
534
534
 	sprintf(name, "slcan%d", i);
535
-	dev = alloc_netdev(sizeof(*sl), name, NET_NAME_UNKNOWN, slc_setup);
535
+	size = ALIGN(sizeof(*sl), NETDEV_ALIGN) + sizeof(struct can_ml_priv);
536
+	dev = alloc_netdev(size, name, NET_NAME_UNKNOWN, slc_setup);
536
537
 	if (!dev)
537
538
 		return NULL;
538
539
 
539
540
 	dev->base_addr  = i;
540
541
 	sl = netdev_priv(dev);
542
+	can_ml = (void *)sl + ALIGN(sizeof(*sl), NETDEV_ALIGN);
543
+	can_set_ml_priv(dev, can_ml);
541
544
 
542
545
 	/* Initialize channel control data */
543
546
 	sl->magic = SLCAN_MAGIC;