spelling: s/retreive/retrieve/

Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 977ee3a..34ab0da 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -972,7 +972,7 @@
 #endif
 
 #ifdef CONFIG_PPC_RTAS
-	/* To help early debugging via the front panel, we retreive a minimal
+	/* To help early debugging via the front panel, we retrieve a minimal
 	 * set of RTAS infos now if available
 	 */
 	{
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 4283fa3..ae2e2a3 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -632,7 +632,7 @@
 }
 
 /*
- * Call early during boot, before mem init or bootmem, to retreive the RTAS
+ * Call early during boot, before mem init or bootmem, to retrieve the RTAS
  * informations from the device-tree and allocate the RMO buffer for userland
  * accesses.
  */
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 98e9f05..81567e9 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -438,7 +438,7 @@
 
 	/*
 	 * Fill the ppc64_caches & systemcfg structures with informations
-	 * retreived from the device-tree. Need to be called before
+	 * retrieved from the device-tree. Need to be called before
 	 * finish_device_tree() since the later requires some of the
 	 * informations filled up here to properly parse the interrupt
 	 * tree.
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 5bb433c..149351a 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -368,7 +368,7 @@
 	unsigned long mem_size, rnd_mem_size, pteg_count;
 
 	/* If hash size isn't already provided by the platform, we try to
-	 * retreive it from the device-tree. If it's not there neither, we
+	 * retrieve it from the device-tree. If it's not there neither, we
 	 * calculate it now based on the total RAM size
 	 */
 	if (ppc64_pft_size == 0)
diff --git a/arch/powerpc/platforms/powermac/cpufreq_64.c b/arch/powerpc/platforms/powermac/cpufreq_64.c
index a4b50c4..a415e8d 100644
--- a/arch/powerpc/platforms/powermac/cpufreq_64.c
+++ b/arch/powerpc/platforms/powermac/cpufreq_64.c
@@ -80,7 +80,7 @@
 };
 
 /* Power mode data is an array of the 32 bits PCR values to use for
- * the various frequencies, retreived from the device-tree
+ * the various frequencies, retrieved from the device-tree
  */
 static u32 *g5_pmode_data;
 static int g5_pmode_max;