arch/arm/: Spelling fixes

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/arch/arm/mach-pxa/corgi_ssp.c b/arch/arm/mach-pxa/corgi_ssp.c
index efba65e..3170622 100644
--- a/arch/arm/mach-pxa/corgi_ssp.c
+++ b/arch/arm/mach-pxa/corgi_ssp.c
@@ -32,7 +32,7 @@
 /*
  * There are three devices connected to the SSP interface:
  *   1. A touchscreen controller (TI ADS7846 compatible)
- *   2. An LCD contoller (with some Backlight functionality)
+ *   2. An LCD controller (with some Backlight functionality)
  *   3. A battery monitoring IC (Maxim MAX1111)
  *
  * Each device uses a different speed/mode of communication.
diff --git a/arch/arm/mach-sa1100/collie_pm.c b/arch/arm/mach-sa1100/collie_pm.c
index 1e25b1d..94620be 100644
--- a/arch/arm/mach-sa1100/collie_pm.c
+++ b/arch/arm/mach-sa1100/collie_pm.c
@@ -165,7 +165,7 @@
 
 	ucb1x00_adc_enable(ucb);
 	ucb1x00_io_write(ucb, COLLIE_TC35143_GPIO_TMP_ON, 0);
-	/* >1010 = battery removed, 460 = 22C ?, higer = lower temp ? */
+	/* >1010 = battery removed, 460 = 22C ?, higher = lower temp ? */
 	voltage = ucb1x00_adc_read(ucb, UCB_ADC_INP_AD0, UCB_SYNC);
 	ucb1x00_io_write(ucb, 0, COLLIE_TC35143_GPIO_TMP_ON);
 	ucb1x00_adc_disable(ucb);
diff --git a/arch/arm/plat-s3c24xx/irq.c b/arch/arm/plat-s3c24xx/irq.c
index d486f51..ae2c5d7 100644
--- a/arch/arm/plat-s3c24xx/irq.c
+++ b/arch/arm/plat-s3c24xx/irq.c
@@ -47,7 +47,7 @@
  *		  Mark IRQ_LCD valid
  *
  *   25-Jul-2005  Ben Dooks
- *		  Split the S3C2440 IRQ code to seperate file
+ *		  Split the S3C2440 IRQ code to separate file
 */
 
 #include <linux/init.h>