diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h
index 50f1297bf5ac80c3e6ec04fac737487d110bb14f..e741bf1bfb2ddc55a0112ffdbdf983594bcf3327 100644
--- a/arch/arm/mach-pxa/include/mach/hardware.h
+++ b/arch/arm/mach-pxa/include/mach/hardware.h
@@ -250,20 +250,17 @@
 
 #define cpu_is_pxa930()					\
 	({						\
-		unsigned int id = read_cpuid(CPUID_ID);	\
-		__cpu_is_pxa930(id);			\
+		__cpu_is_pxa930(read_cpuid_id());	\
 	 })
 
 #define cpu_is_pxa935()					\
 	({						\
-		unsigned int id = read_cpuid(CPUID_ID);	\
-		__cpu_is_pxa935(id);			\
+		__cpu_is_pxa935(read_cpuid_id());	\
 	 })
 
 #define cpu_is_pxa950()					\
 	({						\
-		unsigned int id = read_cpuid(CPUID_ID);	\
-		__cpu_is_pxa950(id);			\
+		__cpu_is_pxa950(read_cpuid_id());	\
 	 })
 
 
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 8a38d604dc77a09558583a4460cfefac3fe41f99..189f330719a29a23d4fb28d10d4c6783fdea3395 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -381,7 +381,7 @@ static int magician_backlight_init(struct device *dev)
 	return ret;
 }
 
-static int magician_backlight_notify(int brightness)
+static int magician_backlight_notify(struct device *dev, int brightness)
 {
 	gpio_set_value(EGPIO_MAGICIAN_BL_POWER, brightness);
 	if (brightness >= 200) {
diff --git a/arch/arm/mach-pxa/palmld.c b/arch/arm/mach-pxa/palmld.c
index 59140217890a8be8e6bc568ac74cbc5c276e5089..e100af78b1667a1b1cbc62e44a40458320e037e4 100644
--- a/arch/arm/mach-pxa/palmld.c
+++ b/arch/arm/mach-pxa/palmld.c
@@ -270,7 +270,7 @@ static int palmld_backlight_init(struct device *dev)
 	return ret;
 }
 
-static int palmld_backlight_notify(int brightness)
+static int palmld_backlight_notify(struct device *dev, int brightness)
 {
 	gpio_set_value(GPIO_NR_PALMLD_BL_POWER, brightness);
 	gpio_set_value(GPIO_NR_PALMLD_LCD_POWER, brightness);
diff --git a/arch/arm/mach-pxa/palmt5.c b/arch/arm/mach-pxa/palmt5.c
index 7f89ca20f13af6f69e6a12c702e764e7df2fd8d2..8fe3ec27568faabaeddd2c0cedd4c71eaeb34d41 100644
--- a/arch/arm/mach-pxa/palmt5.c
+++ b/arch/arm/mach-pxa/palmt5.c
@@ -209,7 +209,7 @@ static int palmt5_backlight_init(struct device *dev)
 	return ret;
 }
 
-static int palmt5_backlight_notify(int brightness)
+static int palmt5_backlight_notify(struct device *dev, int brightness)
 {
 	gpio_set_value(GPIO_NR_PALMT5_BL_POWER, brightness);
 	gpio_set_value(GPIO_NR_PALMT5_LCD_POWER, brightness);
diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c
index 30841759200787187005e45e6e6a0df1893e048f..b992f07ece21ad6c35289c6cb6dbf67d6172afb0 100644
--- a/arch/arm/mach-pxa/palmtc.c
+++ b/arch/arm/mach-pxa/palmtc.c
@@ -185,7 +185,7 @@ static int palmtc_backlight_init(struct device *dev)
 	return ret;
 }
 
-static int palmtc_backlight_notify(int brightness)
+static int palmtc_backlight_notify(struct device *dev, int brightness)
 {
 	/* backlight is on when GPIO16 AF0 is high */
 	gpio_set_value(GPIO_NR_PALMTC_BL_POWER, brightness);
diff --git a/arch/arm/mach-pxa/palmte2.c b/arch/arm/mach-pxa/palmte2.c
index 265d62bae7de47133570df7bdfd429d28f665dea..dc728d6ab94e25679a4f3295bd417fa69ff1cd01 100644
--- a/arch/arm/mach-pxa/palmte2.c
+++ b/arch/arm/mach-pxa/palmte2.c
@@ -181,7 +181,7 @@ static int palmte2_backlight_init(struct device *dev)
 	return ret;
 }
 
-static int palmte2_backlight_notify(int brightness)
+static int palmte2_backlight_notify(struct device *dev, int brightness)
 {
 	gpio_set_value(GPIO_NR_PALMTE2_BL_POWER, brightness);
 	gpio_set_value(GPIO_NR_PALMTE2_LCD_POWER, brightness);
diff --git a/arch/arm/mach-pxa/palmtreo.c b/arch/arm/mach-pxa/palmtreo.c
index 606eb7e8a17ea1fd231bec6930eea4a410eed54c..b433bb496711b86570db7b91a2cfa7fe668e0192 100644
--- a/arch/arm/mach-pxa/palmtreo.c
+++ b/arch/arm/mach-pxa/palmtreo.c
@@ -375,7 +375,7 @@ static int treo_backlight_init(struct device *dev)
 	return ret;
 }
 
-static int treo_backlight_notify(int brightness)
+static int treo_backlight_notify(struct device *dev, int brightness)
 {
 	gpio_set_value(GPIO_NR_TREO_BL_POWER, brightness);
 	return TREO_MAX_INTENSITY - brightness;
diff --git a/arch/arm/mach-pxa/palmtx.c b/arch/arm/mach-pxa/palmtx.c
index 7bf18c2f002f66939171c7c93f0181055941ac18..b37a025c0b7b85f8393dfb6c6c47b36d23f8579b 100644
--- a/arch/arm/mach-pxa/palmtx.c
+++ b/arch/arm/mach-pxa/palmtx.c
@@ -269,7 +269,7 @@ static int palmtx_backlight_init(struct device *dev)
 	return ret;
 }
 
-static int palmtx_backlight_notify(int brightness)
+static int palmtx_backlight_notify(struct device *dev, int brightness)
 {
 	gpio_set_value(GPIO_NR_PALMTX_BL_POWER, brightness);
 	gpio_set_value(GPIO_NR_PALMTX_LCD_POWER, brightness);
diff --git a/arch/arm/mach-pxa/palmz72.c b/arch/arm/mach-pxa/palmz72.c
index d787ac7cfdd808cac37939c226a1c233ab222915..1c5d68a945110c368ca5c2b7daf88c790a85d885 100644
--- a/arch/arm/mach-pxa/palmz72.c
+++ b/arch/arm/mach-pxa/palmz72.c
@@ -196,7 +196,7 @@ static int palmz72_backlight_init(struct device *dev)
 	return ret;
 }
 
-static int palmz72_backlight_notify(int brightness)
+static int palmz72_backlight_notify(struct device *dev, int brightness)
 {
 	gpio_set_value(GPIO_NR_PALMZ72_BL_POWER, brightness);
 	gpio_set_value(GPIO_NR_PALMZ72_LCD_POWER, brightness);
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 4b50f144fa48cf0cae6ec8d35b2dbcedac22e40b..28352c0b8c34548f3929c8deac255d77077188dc 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -389,13 +389,13 @@ static struct gpio_keys_button spitz_gpio_keys[] = {
 		.type	= EV_SW,
 		.code	= 0,
 		.gpio	= SPITZ_GPIO_SWA,
-		.desc	= "Display Down",
+		.desc	= "Display Down",
 	},
 	{
 		.type	= EV_SW,
 		.code	= 1,
 		.gpio	= SPITZ_GPIO_SWB,
-		.desc	= "Lid Closed",
+		.desc	= "Lid Closed",
 	},
 };
 
diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index 5352b4e5a7dda117cad09368339733f3fef9e106..89f258c9e126acf249f719a39a629946cc8ae024 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -379,7 +379,7 @@ static int viper_backlight_init(struct device *dev)
 	return ret;
 }
 
-static int viper_backlight_notify(int brightness)
+static int viper_backlight_notify(struct device *dev, int brightness)
 {
 	gpio_set_value(VIPER_LCD_EN_GPIO, !!brightness);
 	gpio_set_value(VIPER_BCKLIGHT_EN_GPIO, !!brightness);
diff --git a/arch/arm/mm/cache-xsc3l2.c b/arch/arm/mm/cache-xsc3l2.c
index 5d180cb0bd94dab8281b3a22836a49d5b8de3a64..c3154928bccdf9750bef6da4e4fc29c2aad732f5 100644
--- a/arch/arm/mm/cache-xsc3l2.c
+++ b/arch/arm/mm/cache-xsc3l2.c
@@ -221,15 +221,14 @@ static int __init xsc3_l2_init(void)
 	if (!cpu_is_xsc3() || !xsc3_l2_present())
 		return 0;
 
-	if (!(get_cr() & CR_L2)) {
+	if (get_cr() & CR_L2) {
 		pr_info("XScale3 L2 cache enabled.\n");
-		adjust_cr(CR_L2, CR_L2);
 		xsc3_l2_inv_all();
-	}
 
-	outer_cache.inv_range = xsc3_l2_inv_range;
-	outer_cache.clean_range = xsc3_l2_clean_range;
-	outer_cache.flush_range = xsc3_l2_flush_range;
+		outer_cache.inv_range = xsc3_l2_inv_range;
+		outer_cache.clean_range = xsc3_l2_clean_range;
+		outer_cache.flush_range = xsc3_l2_flush_range;
+	}
 
 	return 0;
 }
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index 96456f5487986f349513b154be2ed22de1bd9eab..8e4f6dca89976c8809933a96fe76600720d133bf 100644
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -407,6 +407,13 @@ __xsc3_setup:
 
 	adr	r5, xsc3_crval
 	ldmia	r5, {r5, r6}
+
+#ifdef CONFIG_CACHE_XSC3L2
+	mrc	p15, 1, r0, c0, c0, 1		@ get L2 present information
+	ands	r0, r0, #0xf8
+	orrne	r6, r6, #(1 << 26)		@ enable L2 if present
+#endif
+
 	mrc	p15, 0, r0, c1, c0, 0		@ get control register
 	bic	r0, r0, r5			@ ..V. ..R. .... ..A.
 	orr	r0, r0, r6			@ ..VI Z..S .... .C.M (mmu)