[POWERPC] arch/powerpc/: Spelling fixes

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/boot/4xx.c b/arch/powerpc/boot/4xx.c
index ebf9e21..3d0e4f9 100644
--- a/arch/powerpc/boot/4xx.c
+++ b/arch/powerpc/boot/4xx.c
@@ -122,7 +122,7 @@
 	else
 		dpath = 4; /* 32 bits */
 
-	/* get adress pins (rows) */
+	/* get address pins (rows) */
 	val = mfdcr_sdram0(DDR0_42);
 
 	row = DDR_GET_VAL(val, DDR_APIN, DDR_APIN_SHIFT);
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index 4ed5887..b9cae6b 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -474,7 +474,7 @@
 
 	/*
 	 * Before we register the platfrom serial devices, we need
-	 * to fixup their interrutps and their IO ports.
+	 * to fixup their interrupts and their IO ports.
 	 */
 	DBG("Fixing serial ports interrupts and IO ports ...\n");
 
diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm.h b/arch/powerpc/sysdev/bestcomm/bestcomm.h
index e802cb4..c960a8b 100644
--- a/arch/powerpc/sysdev/bestcomm/bestcomm.h
+++ b/arch/powerpc/sysdev/bestcomm/bestcomm.h
@@ -20,7 +20,7 @@
 
 
 /* ======================================================================== */
-/* Generic task managment                                                   */
+/* Generic task management                                                   */
 /* ======================================================================== */
 
 /**
diff --git a/arch/powerpc/sysdev/mmio_nvram.c b/arch/powerpc/sysdev/mmio_nvram.c
index e073e24..7b49633a 100644
--- a/arch/powerpc/sysdev/mmio_nvram.c
+++ b/arch/powerpc/sysdev/mmio_nvram.c
@@ -99,7 +99,7 @@
 	nvram_addr = r.start;
 	mmio_nvram_len = r.end - r.start + 1;
 	if ( (!mmio_nvram_len) || (!nvram_addr) ) {
-		printk(KERN_WARNING "nvram: address or lenght is 0\n");
+		printk(KERN_WARNING "nvram: address or length is 0\n");
 		ret = -EIO;
 		goto out;
 	}