scripts/spelling.txt: add "swithc" pattern and fix typo instances

Fix typos and add the following to the scripts/spelling.txt:

  swithc||switch
  swithced||switched
  swithcing||switching

Link: http://lkml.kernel.org/r/1481573103-11329-3-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

4 files changed, 5 insertions, 5 deletions

diff --git a/drivers/extcon/extcon-rt8973a.c b/drivers/extcon/extcon-rt8973a.c
index 3e882aa107e8..eaa355e7d9e4 100644
--- a/drivers/extcon/extcon-rt8973a.c
+++ b/drivers/extcon/extcon-rt8973a.c
@@ -537,7 +537,7 @@ static void rt8973a_init_dev_type(struct rt8973a_muic_info *info)
 		regmap_update_bits(info->regmap, reg, mask, val);
 	}
 
-	/* Check whether RT8973A is auto swithcing mode or not */
+	/* Check whether RT8973A is auto switching mode or not */
 	ret = regmap_read(info->regmap, RT8973A_REG_CONTROL1, &data);
 	if (ret) {
 		dev_err(info->dev,
diff --git a/drivers/media/i2c/adv7183_regs.h b/drivers/media/i2c/adv7183_regs.h
index 843d4998435e..4ade89d33d62 100644
--- a/drivers/media/i2c/adv7183_regs.h
+++ b/drivers/media/i2c/adv7183_regs.h
@@ -83,7 +83,7 @@
 #define ADV7183_LETTERBOX_3        0x9D /* Letterbox 3 */
 #define ADV7183_CRC_EN             0xB2 /* CRC enable */
 #define ADV7183_ADC_SWITCH_1       0xC3 /* ADC switch 1 */
-#define ADV7183_ADC_SWITCH_2       0xC4 /* ADC swithc 2 */
+#define ADV7183_ADC_SWITCH_2       0xC4 /* ADC switch 2 */
 #define ADV7183_LETTERBOX_CTRL_1   0xDC /* Letterbox control 1 */
 #define ADV7183_LETTERBOX_CTRL_2   0xDD /* Letterbox control 2 */
 #define ADV7183_SD_OFFSET_CB       0xE1 /* SD offset Cb */
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211.h b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
index 0d247058bce4..097147071df0 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
@@ -1953,7 +1953,7 @@ struct ieee80211_device {
 
 	/* ask to the driver to retune the radio .
 	 * This function can sleep. the driver should ensure
-	 * the radio has been swithced before return.
+	 * the radio has been switched before return.
 	 */
 	void (*set_chan)(struct net_device *dev, short ch);
 
@@ -1964,7 +1964,7 @@ struct ieee80211_device {
 	 * The syncro version is similar to the start_scan but
 	 * does not return until all channels has been scanned.
 	 * this is called in user context and should sleep,
-	 * it is called in a work_queue when swithcing to ad-hoc mode
+	 * it is called in a work_queue when switching to ad-hoc mode
 	 * or in behalf of iwlist scan when the card is associated
 	 * and root user ask for a scan.
 	 * the function stop_scan should stop both the syncro and
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
index 1bff0e91cc0c..0ea90aae4283 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
@@ -2364,7 +2364,7 @@ static void ieee80211_start_ibss_wq(struct work_struct *work)
 //	if((IS_DOT11D_ENABLE(ieee)) && (ieee->state == IEEE80211_NOLINK))
 	if (ieee->state == IEEE80211_NOLINK)
 		ieee->current_network.channel = 6;
-	/* if not then the state is not linked. Maybe the user swithced to
+	/* if not then the state is not linked. Maybe the user switched to
 	 * ad-hoc mode just after being in monitor mode, or just after
 	 * being very few time in managed mode (so the card have had no
 	 * time to scan all the chans..) or we have just run up the iface