spelling: s/trough/through/

Additionally, one comment was reformulated by Joe Perches <joe@perches.com>.
Signed-off-by: Adrian Bunk <bunk@stusta.de>

arch/arm/mach-omap1/board-perseus2.c

@@ -184,7 +184,7 @@ static void __init omap_perseus2_map_io(void)
 	omap_writel(0x00000088, OMAP730_FLASH_ACFG_0);
 
 	/*
-	 * Ethernet support trough the debug board
+	 * Ethernet support through the debug board
 	 * CS1 timings setup
 	 */
 	omap_writel(0x0000fff3, OMAP730_FLASH_CFG_1);

drivers/cdrom/cm206.c

@@ -32,7 +32,7 @@ History:
  18 mrt 1995: 0.24 Working background read-ahead. (still problems)
  26 mrt 1995: 0.25 Multi-session ioctl added (kernel v1.2).
               Statistics implemented, though separate stats206.h.
-	      Accessible trough ioctl 0x1000 (just a number).
+	      Accessible through ioctl 0x1000 (just a number).
 	      Hard to choose between v1.2 development and 1.1.75.
 	      Bottom-half doesn't work with 1.2...
 	      0.25a: fixed... typo. Still problems...

drivers/net/pcmcia/xirc2ps_cs.c

@@ -1598,7 +1598,7 @@ do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
     switch(cmd) {
       case SIOCGMIIPHY:		/* Get the address of the PHY in use. */
 	data[0] = 0;		/* we have only this address */
-	/* fall trough */
+	/* fall through */
       case SIOCGMIIREG:		/* Read the specified MII register. */
 	data[3] = mii_rd(ioaddr, data[0] & 0x1f, data[1] & 0x1f);
 	break;

drivers/parisc/led.c

@@ -347,7 +347,7 @@ static void led_LCD_driver(unsigned char leds)
    ** 
    ** led_get_net_activity()
    ** 
-   ** calculate if there was TX- or RX-troughput on the network interfaces
+   ** calculate if there was TX- or RX-throughput on the network interfaces
    ** (analog to dev_get_info() from net/core/dev.c)
    **   
  */

drivers/usb/serial/usb-serial.c

@@ -584,7 +584,7 @@ static struct usb_serial_driver *search_serial_device(struct usb_interface *ifac
 	const struct usb_device_id *id;
 	struct usb_serial_driver *t;
 
-	/* List trough know devices and see if the usb id matches */
+	/* Check if the usb id matches a known device */
 	list_for_each(p, &usb_serial_driver_list) {
 		t = list_entry(p, struct usb_serial_driver, driver_list);
 		id = usb_match_id(iface, t->id_table);

net/ipv4/netfilter/ip_conntrack_proto_tcp.c

@@ -995,7 +995,7 @@ static int tcp_packet(struct ip_conntrack *conntrack,
 		        || (!test_bit(IPS_ASSURED_BIT, &conntrack->status)
 		            && conntrack->proto.tcp.last_index == TCP_ACK_SET))
 		    && ntohl(th->ack_seq) == conntrack->proto.tcp.last_end) {
-			/* RST sent to invalid SYN or ACK we had let trough
+			/* RST sent to invalid SYN or ACK we had let through
 			 * at a) and c) above:
 			 *
 			 * a) SYN was in window then
@@ -1006,7 +1006,7 @@ static int tcp_packet(struct ip_conntrack *conntrack,
 			 * segments we ignored. */
 			goto in_window;
 		}
-		/* Just fall trough */
+		/* Just fall through */
 	default:
 		/* Keep compilers happy. */
 		break;

net/netfilter/nf_conntrack_proto_tcp.c

@@ -988,7 +988,7 @@ static int tcp_packet(struct nf_conn *conntrack,
 		        || (!test_bit(IPS_ASSURED_BIT, &conntrack->status)
 		            && conntrack->proto.tcp.last_index == TCP_ACK_SET))
 		    && ntohl(th->ack_seq) == conntrack->proto.tcp.last_end) {
-			/* RST sent to invalid SYN or ACK we had let trough
+			/* RST sent to invalid SYN or ACK we had let through
 			 * at a) and c) above:
 			 *
 			 * a) SYN was in window then
@@ -999,7 +999,7 @@ static int tcp_packet(struct nf_conn *conntrack,
 			 * segments we ignored. */
 			goto in_window;
 		}
-		/* Just fall trough */
+		/* Just fall through */
 	default:
 		/* Keep compilers happy. */
 		break;

sound/pcmcia/pdaudiocf/pdaudiocf_pcm.c

@@ -209,7 +209,7 @@ static int pdacf_pcm_prepare(struct snd_pcm_substream *subs)
 	case SNDRV_PCM_FORMAT_S24_3LE:
 	case SNDRV_PCM_FORMAT_S24_3BE:
 		chip->pcm_sample = 3;
-		/* fall trough */
+		/* fall through */
 	default: /* 24-bit */
 		aval = AK4117_DIF_24R;
 		chip->pcm_frame = 3;