diff --git a/arch/arm/mach-pxa/colibri-evalboard.c b/arch/arm/mach-pxa/colibri-evalboard.c
index 6b2c800a1133fd466c9c138b18a64d7956790023..28f667e52ef9265dd44c4de7bac2e6cb5072c2d1 100644
--- a/arch/arm/mach-pxa/colibri-evalboard.c
+++ b/arch/arm/mach-pxa/colibri-evalboard.c
@@ -50,7 +50,7 @@ static void __init colibri_mmc_init(void)
 			GPIO0_COLIBRI_PXA270_SD_DETECT;
 	if (machine_is_colibri300())	/* PXA300 Colibri */
 		colibri_mci_platform_data.gpio_card_detect =
-			GPIO39_COLIBRI_PXA300_SD_DETECT;
+			GPIO13_COLIBRI_PXA300_SD_DETECT;
 	else				/* PXA320 Colibri */
 		colibri_mci_platform_data.gpio_card_detect =
 			GPIO28_COLIBRI_PXA320_SD_DETECT;
diff --git a/arch/arm/mach-pxa/colibri-pxa300.c b/arch/arm/mach-pxa/colibri-pxa300.c
index fddb16d07eb03da5e8574edccd579b17db5a17b8..66dd81cbc8a046bb7b0c94146836e449525b0414 100644
--- a/arch/arm/mach-pxa/colibri-pxa300.c
+++ b/arch/arm/mach-pxa/colibri-pxa300.c
@@ -41,7 +41,7 @@ static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {
 	GPIO4_MMC1_DAT1,
 	GPIO5_MMC1_DAT2,
 	GPIO6_MMC1_DAT3,
-	GPIO39_GPIO,	/* SD detect */
+	GPIO13_GPIO,	/* GPIO13_COLIBRI_PXA300_SD_DETECT */
 
 	/* UHC */
 	GPIO0_2_USBH_PEN,
diff --git a/arch/arm/mach-pxa/include/mach/colibri.h b/arch/arm/mach-pxa/include/mach/colibri.h
index 388a96f1ef93d30cfb6ac84de4828e18585a877f..cb4236e98a0f429f55e21b776561c229befebd8b 100644
--- a/arch/arm/mach-pxa/include/mach/colibri.h
+++ b/arch/arm/mach-pxa/include/mach/colibri.h
@@ -60,7 +60,7 @@ static inline void colibri_pxa3xx_init_nand(void) {}
 #define GPIO113_COLIBRI_PXA270_TS_IRQ	113
 
 /* GPIO definitions for Colibri PXA300/310 */
-#define GPIO39_COLIBRI_PXA300_SD_DETECT	39
+#define GPIO13_COLIBRI_PXA300_SD_DETECT	13
 
 /* GPIO definitions for Colibri PXA320 */
 #define GPIO28_COLIBRI_PXA320_SD_DETECT	28
diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c
index 405b92a29793d80fa771546418d78b4bec7094cd..35572c427fa8449a16cfc35e0300001b5114e9b0 100644
--- a/arch/arm/mach-pxa/palm27x.c
+++ b/arch/arm/mach-pxa/palm27x.c
@@ -323,7 +323,7 @@ static struct platform_pwm_backlight_data palm27x_backlight_data = {
 	.pwm_id		= 0,
 	.max_brightness	= 0xfe,
 	.dft_brightness	= 0x7e,
-	.pwm_period_ns	= 3500,
+	.pwm_period_ns	= 3500 * 1024,
 	.init		= palm27x_backlight_init,
 	.notify		= palm27x_backlight_notify,
 	.exit		= palm27x_backlight_exit,
diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c
index 978e1b2895445d143007f3b3eadb98e261379cd2..1807c9abdde0e2dc201abb8dc4c3caa9b0246b6b 100644
--- a/arch/arm/mach-pxa/pm.c
+++ b/arch/arm/mach-pxa/pm.c
@@ -33,7 +33,7 @@ int pxa_pm_enter(suspend_state_t state)
 #endif
 
 	/* skip registers saving for standby */
-	if (state != PM_SUSPEND_STANDBY) {
+	if (state != PM_SUSPEND_STANDBY && pxa_cpu_pm_fns->save) {
 		pxa_cpu_pm_fns->save(sleep_save);
 		/* before sleeping, calculate and save a checksum */
 		for (i = 0; i < pxa_cpu_pm_fns->save_count - 1; i++)
@@ -44,7 +44,7 @@ int pxa_pm_enter(suspend_state_t state)
 	pxa_cpu_pm_fns->enter(state);
 	cpu_init();
 
-	if (state != PM_SUSPEND_STANDBY) {
+	if (state != PM_SUSPEND_STANDBY && pxa_cpu_pm_fns->restore) {
 		/* after sleeping, validate the checksum */
 		for (i = 0; i < pxa_cpu_pm_fns->save_count - 1; i++)
 			checksum += sleep_save[i];
diff --git a/arch/arm/plat-pxa/mfp.c b/arch/arm/plat-pxa/mfp.c
index b77e018d36c1116cf52d1e8465319242f0dc5a47..a9aa5ad3f4ebdc398340d946e5ecd16e37160a2b 100644
--- a/arch/arm/plat-pxa/mfp.c
+++ b/arch/arm/plat-pxa/mfp.c
@@ -139,10 +139,11 @@ static const unsigned long mfpr_edge[] = {
 #define mfp_configured(p)	((p)->config != -1)
 
 /*
- * perform a read-back of any MFPR register to make sure the
+ * perform a read-back of any valid MFPR register to make sure the
  * previous writings are finished
  */
-#define mfpr_sync()	(void)__raw_readl(mfpr_mmio_base + 0)
+static unsigned long mfpr_off_readback;
+#define mfpr_sync()	(void)__raw_readl(mfpr_mmio_base + mfpr_off_readback)
 
 static inline void __mfp_config_run(struct mfp_pin *p)
 {
@@ -248,6 +249,9 @@ void __init mfp_init_addr(struct mfp_addr_map *map)
 
 	spin_lock_irqsave(&mfp_spin_lock, flags);
 
+	/* mfp offset for readback */
+	mfpr_off_readback = map[0].offset;
+
 	for (p = map; p->start != MFP_PIN_INVALID; p++) {
 		offset = p->offset;
 		i = p->start;