diff --git a/include/asm-ppc/fsl_lbc.h b/include/asm-ppc/fsl_lbc.h
index bc1ebe6..a28082e 100644
--- a/include/asm-ppc/fsl_lbc.h
+++ b/include/asm-ppc/fsl_lbc.h
@@ -54,7 +54,7 @@
 #define BR_MS_UPMA			0x00000080	/* UPMA */
 #define BR_MS_UPMB			0x000000A0	/* UPMB */
 #define BR_MS_UPMC			0x000000C0	/* UPMC */
-#if !defined(CONFIG_MPC834X)
+#if !defined(CONFIG_MPC834x)
 #define BR_ATOM				0x0000000C
 #define BR_ATOM_SHIFT			2
 #endif
@@ -65,7 +65,7 @@
 #define UPMB			1
 #define UPMC			2
 
-#if defined(CONFIG_MPC834X)
+#if defined(CONFIG_MPC834x)
 #define BR_RES				~(BR_BA | BR_PS | BR_DECC | BR_WP | BR_MSEL | BR_V)
 #else
 #define BR_RES				~(BR_BA | BR_PS | BR_DECC | BR_WP | BR_MSEL | BR_ATOM | BR_V)
diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h
index c188199..244c161 100644
--- a/include/asm-ppc/global_data.h
+++ b/include/asm-ppc/global_data.h
@@ -59,14 +59,14 @@
 #if defined(CONFIG_MPC83xx)
 	/* There are other clocks in the MPC83XX */
 	u32 csb_clk;
-#if defined(CONFIG_MPC834X) || defined(CONFIG_MPC831X) || defined(CONFIG_MPC837X)
+#if defined(CONFIG_MPC834x) || defined(CONFIG_MPC831x) || defined(CONFIG_MPC837x)
 	u32 tsec1_clk;
 	u32 tsec2_clk;
 	u32 usbdr_clk;
 #endif
-#if defined (CONFIG_MPC834X)
+#if defined (CONFIG_MPC834x)
 	u32 usbmph_clk;
-#endif /* CONFIG_MPC834X */
+#endif /* CONFIG_MPC834x */
 #if defined(CONFIG_MPC8315)
 	u32 tdm_clk;
 #endif
@@ -75,18 +75,18 @@
 	u32 lbiu_clk;
 	u32 lclk_clk;
 	u32 pci_clk;
-#if defined(CONFIG_MPC837X) || defined(CONFIG_MPC831X)
+#if defined(CONFIG_MPC837x) || defined(CONFIG_MPC831x)
 	u32 pciexp1_clk;
 	u32 pciexp2_clk;
 #endif
-#if defined(CONFIG_MPC837X) || defined(CONFIG_MPC8315)
+#if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315)
 	u32 sata_clk;
 #endif
 #if defined(CONFIG_MPC8360)
 	u32  mem_sec_clk;
 #endif /* CONFIG_MPC8360 */
 #endif
-#if defined(CONFIG_MPC837X) || defined(CONFIG_MPC8536)
+#if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8536)
 	u32 sdhc_clk;
 #endif
 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
diff --git a/include/asm-ppc/immap_83xx.h b/include/asm-ppc/immap_83xx.h
index 7b847f8..1e67de6 100644
--- a/include/asm-ppc/immap_83xx.h
+++ b/include/asm-ppc/immap_83xx.h
@@ -656,7 +656,7 @@
 	u8 fixme[0x2000];
 } tdmdmac83xx_t;
 
-#if defined(CONFIG_MPC834X)
+#if defined(CONFIG_MPC834x)
 typedef struct immap {
 	sysconf83xx_t		sysconf;	/* System configuration */
 	wdt83xx_t		wdt;		/* Watch Dog Timer (WDT) Registers */
@@ -773,7 +773,7 @@
 	u8			res12[0x1CF00];
 } immap_t;
 
-#elif defined(CONFIG_MPC837X)
+#elif defined(CONFIG_MPC837x)
 typedef struct immap {
 	sysconf83xx_t		sysconf;	/* System configuration */
 	wdt83xx_t		wdt;		/* Watch Dog Timer (WDT) Registers */
@@ -857,7 +857,7 @@
 	u8			qe[0x100000];	/* QE block */
 } immap_t;
 
-#elif defined(CONFIG_MPC832X)
+#elif defined(CONFIG_MPC832x)
 typedef struct immap {
 	sysconf83xx_t		sysconf;	/* System configuration */
 	wdt83xx_t		wdt;		/* Watch Dog Timer (WDT) Registers */
diff --git a/include/asm-ppc/immap_qe.h b/include/asm-ppc/immap_qe.h
index 55667ca..44c0c0a 100644
--- a/include/asm-ppc/immap_qe.h
+++ b/include/asm-ppc/immap_qe.h
@@ -603,7 +603,7 @@
 #define QE_MURAM_SIZE		0x20000UL
 #elif defined(CONFIG_MPC8360)
 #define QE_MURAM_SIZE		0xc000UL
-#elif defined(CONFIG_MPC832X)
+#elif defined(CONFIG_MPC832x)
 #define QE_MURAM_SIZE		0x4000UL
 #endif
 
diff --git a/include/asm-ppc/mpc8xxx_spi.h b/include/asm-ppc/mpc8xxx_spi.h
index 48b15e4..41737d3 100644
--- a/include/asm-ppc/mpc8xxx_spi.h
+++ b/include/asm-ppc/mpc8xxx_spi.h
@@ -27,10 +27,10 @@
 
 #include <asm/types.h>
 
-#if defined(CONFIG_MPC834X) || \
+#if defined(CONFIG_MPC834x) || \
 	defined(CONFIG_MPC8313) || \
 	defined(CONFIG_MPC8315) || \
-	defined(CONFIG_MPC837X)
+	defined(CONFIG_MPC837x)
 
 typedef struct spi8xxx {
 	u8 res0[0x20];	/* 0x0-0x01f reserved */