can: fix spelling errors

Fix various spelling errors in the comments of the CAN modules.
Signed-off-by: Jeremiah Mahler <jmmahler@gmail.com>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/cc770/cc770.c

@@ -60,7 +60,7 @@ MODULE_DESCRIPTION(KBUILD_MODNAME "CAN netdevice driver");
  *
  * The message objects 1..14 can be used for TX and RX while the message
  * objects 15 is optimized for RX. It has a shadow register for reliable
- * data receiption under heavy bus load. Therefore it makes sense to use
+ * data reception under heavy bus load. Therefore it makes sense to use
  * this message object for the needed use case. The frame type (EFF/SFF)
  * for the message object 15 can be defined via kernel module parameter
  * "msgobj15_eff". If not equal 0, it will receive 29-bit EFF frames,

net/can/af_can.c

@@ -521,7 +521,7 @@ static void can_rx_delete_receiver(struct rcu_head *rp)
 
 /**
  * can_rx_unregister - unsubscribe CAN frames from a specific interface
- * @dev: pointer to netdevice (NULL => unsubcribe from 'all' CAN devices list)
+ * @dev: pointer to netdevice (NULL => unsubscribe from 'all' CAN devices list)
  * @can_id: CAN identifier
  * @mask: CAN mask
  * @func: callback function on filter match

net/can/bcm.c

@@ -439,7 +439,7 @@ static void bcm_rx_update_and_send(struct bcm_op *op,
 	/* mark as used and throttled by default */
 	lastdata->can_dlc |= (RX_RECV|RX_THR);
 
-	/* throtteling mode inactive ? */
+	/* throttling mode inactive ? */
 	if (!op->kt_ival2.tv64) {
 		/* send RX_CHANGED to the user immediately */
 		bcm_rx_changed(op, lastdata);
@@ -450,7 +450,7 @@ static void bcm_rx_update_and_send(struct bcm_op *op,
 	if (hrtimer_active(&op->thrtimer))
 		return;
 
-	/* first receiption with enabled throttling mode */
+	/* first reception with enabled throttling mode */
 	if (!op->kt_lastmsg.tv64)
 		goto rx_changed_settime;
 
@@ -478,7 +478,7 @@ static void bcm_rx_cmp_to_index(struct bcm_op *op, unsigned int index,
 				const struct can_frame *rxdata)
 {
 	/*
-	 * no one uses the MSBs of can_dlc for comparation,
+	 * no one uses the MSBs of can_dlc for comparison,
 	 * so we use it here to detect the first time of reception
 	 */
 
@@ -508,7 +508,7 @@ static void bcm_rx_cmp_to_index(struct bcm_op *op, unsigned int index,
 }
 
 /*
- * bcm_rx_starttimer - enable timeout monitoring for CAN frame receiption
+ * bcm_rx_starttimer - enable timeout monitoring for CAN frame reception
  */
 static void bcm_rx_starttimer(struct bcm_op *op)
 {
@@ -537,7 +537,7 @@ static void bcm_rx_timeout_tsklet(unsigned long data)
 }
 
 /*
- * bcm_rx_timeout_handler - when the (cyclic) CAN frame receiption timed out
+ * bcm_rx_timeout_handler - when the (cyclic) CAN frame reception timed out
  */
 static enum hrtimer_restart bcm_rx_timeout_handler(struct hrtimer *hrtimer)
 {
@@ -625,7 +625,7 @@ static enum hrtimer_restart bcm_rx_thr_handler(struct hrtimer *hrtimer)
 }
 
 /*
- * bcm_rx_handler - handle a CAN frame receiption
+ * bcm_rx_handler - handle a CAN frame reception
  */
 static void bcm_rx_handler(struct sk_buff *skb, void *data)
 {

net/can/gw.c

@@ -361,7 +361,7 @@ static void can_can_gw_rcv(struct sk_buff *skb, void *data)
 	 * The Controller Area Network controllers only accept CAN frames with
 	 * correct CRCs - which are not visible in the controller registers.
 	 * According to skbuff.h documentation the csum_start element for IP
-	 * checksums is undefined/unsued when ip_summed == CHECKSUM_UNNECESSARY.
+	 * checksums is undefined/unused when ip_summed == CHECKSUM_UNNECESSARY.
 	 * Only CAN skbs can be processed here which already have this property.
 	 */