diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 941a5ec..4aa6afe 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -154,6 +154,7 @@
 	select CLKDEV_LOOKUP
 	select COMMON_CLK_OF_PROVIDER
 	select GPIOLIB
+	select PINCTRL
 	select PINCTRL_ROCKCHIP
 	select HAVE_PBL_MULTI_IMAGES
 
diff --git a/arch/arm/boards/edb93xx/edb93xx.c b/arch/arm/boards/edb93xx/edb93xx.c
index d83980d..c314320 100644
--- a/arch/arm/boards/edb93xx/edb93xx.c
+++ b/arch/arm/boards/edb93xx/edb93xx.c
@@ -45,7 +45,7 @@
 #endif
 #if (CONFIG_EP93XX_SDRAM_NUM_BANKS == 4)
 	arm_add_mem_device("ram3", CONFIG_EP93XX_SDRAM_BANK3_BASE,
-				   CONFIG_EP93XX_SDRAM_BANK2_SIZE);
+				   CONFIG_EP93XX_SDRAM_BANK3_SIZE);
 #endif
 
 	return 0;
diff --git a/arch/arm/boards/friendlyarm-mini2440/mini2440.c b/arch/arm/boards/friendlyarm-mini2440/mini2440.c
index 4034de5..2dcb7db 100644
--- a/arch/arm/boards/friendlyarm-mini2440/mini2440.c
+++ b/arch/arm/boards/friendlyarm-mini2440/mini2440.c
@@ -96,7 +96,6 @@
 		.pixclock	= 41848,
 		.sync		= FB_SYNC_USE_PWREN | FB_SYNC_DE_HIGH_ACT,
 		.vmode		= FB_VMODE_NONINTERLACED,
-		.flag		= 0,
 	},
 #endif
 #ifdef CONFIG_MINI2440_VIDEO_SVGA
@@ -115,7 +114,6 @@
 		.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT | FB_SYNC_DE_HIGH_ACT
                                   /* | FB_SYNC_SWAP_HW */ /* FIXME maybe */ ,
 		.vmode		= FB_VMODE_NONINTERLACED,
-		.flag		= 0,
 	},
 #endif
 };
diff --git a/arch/arm/cpu/Kconfig b/arch/arm/cpu/Kconfig
index fb1a999..8934df0 100644
--- a/arch/arm/cpu/Kconfig
+++ b/arch/arm/cpu/Kconfig
@@ -42,7 +42,6 @@
 # ARM946E-S
 config CPU_ARM946E
 	bool
-	depends on !MMU
 	select CPU_32v4T
 	help
 	  ARM946E-S is a member of the ARM9E-S family of high-
diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c
index a7051c3..125d169 100644
--- a/arch/arm/mach-at91/clock.c
+++ b/arch/arm/mach-at91/clock.c
@@ -336,8 +336,6 @@
 
 /*------------------------------------------------------------------------*/
 
-#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS
-
 /*
  * For now, only the programmable clocks support reparenting (MCK could
  * do this too, with care) or rate changing (the PLLs could do this too,
@@ -379,6 +377,9 @@
 	unsigned long	prescale_offset, css_mask;
 	unsigned long	actual;
 
+	if (!IS_ENABLED(CONFIG_PROGRAMMABLE_CLOCKS))
+		return 0;
+
 	if (!clk_is_programmable(clk))
 		return -EINVAL;
 	if (clk->users)
@@ -419,6 +420,9 @@
 
 int clk_set_parent(struct clk *clk, struct clk *parent)
 {
+	if (!IS_ENABLED(CONFIG_PROGRAMMABLE_CLOCKS))
+		return -ENOSYS;
+
 	if (clk->users)
 		return -EBUSY;
 	if (!clk_is_primary(parent) || !clk_is_programmable(clk))
@@ -453,8 +457,6 @@
 	clk->rate_hz = parent->rate_hz / pmc_prescaler_divider(pckr);
 }
 
-#endif	/* CONFIG_AT91_PROGRAMMABLE_CLOCKS */
-
 /*------------------------------------------------------------------------*/
 
 /* Register a new clock */
@@ -483,13 +485,10 @@
 	else if (clk_is_sys(clk)) {
 		clk->parent = &mck;
 		clk->mode = pmc_sys_mode;
-	}
-#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS
-	else if (clk_is_programmable(clk)) {
+	} else if (IS_ENABLED(CONFIG_PROGRAMMABLE_CLOCKS) && clk_is_programmable(clk)) {
 		clk->mode = pmc_sys_mode;
 		init_programmable_clock(clk);
 	}
-#endif
 
 	at91_clk_add(clk);
 
diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig
index 91f6c8e..f805a8f 100644
--- a/arch/arm/mach-ep93xx/Kconfig
+++ b/arch/arm/mach-ep93xx/Kconfig
@@ -18,12 +18,15 @@
 	bool "EP9302"
 
 config ARCH_EP9307
+	depends on BROKEN
 	bool "EP9307"
 
 config ARCH_EP9312
+	depends on BROKEN
 	bool "EP9312"
 
 config ARCH_EP9315
+	depends on BROKEN
 	bool "EP9315"
 
 endchoice
diff --git a/arch/arm/mach-omap/Kconfig b/arch/arm/mach-omap/Kconfig
index 0996ed9..7aa37eb 100644
--- a/arch/arm/mach-omap/Kconfig
+++ b/arch/arm/mach-omap/Kconfig
@@ -42,6 +42,7 @@
 	bool
 	select CPU_V7
 	select GENERIC_GPIO
+	select OFTREE
 	select OMAP_CLOCK_SOURCE_DMTIMER0
 	help
 	  Say Y here if you are using Texas Instrument's AM33xx based platform
diff --git a/common/Kconfig b/common/Kconfig
index 7f55194..4614965 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -145,6 +145,7 @@
 
 config MMU
 	bool "Enable MMU"
+	depends on !CPU_ARM946E
 	help
 	  Saying yes here enables the MMU. This is useful on some architectures
 	  to enable the data cache which depends on the MMU. See Documentation/mmu.txt
@@ -247,7 +248,6 @@
 
 config BROKEN
 	bool
-	prompt "Prompt for broken or incomplete code"
 
 config EXPERIMENTAL
 	bool
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index ac96bc0..15465fe 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -3,6 +3,7 @@
 config FIRMWARE_ALTERA_SERIAL
 	bool "Altera SPI programming"
 	depends on OFDEVICE
+	depends on GENERIC_GPIO
 	depends on SPI
 	select FIRMWARE
 	help
diff --git a/drivers/mci/mxs.c b/drivers/mci/mxs.c
index 738bde9..d6565ca 100644
--- a/drivers/mci/mxs.c
+++ b/drivers/mci/mxs.c
@@ -53,10 +53,8 @@
 	void __iomem	*regs;
 	struct clk	*clk;
 	unsigned	clock;	/* current clock speed in Hz ("0" if disabled) */
-#ifdef CONFIG_MCI_INFO
 	unsigned	f_min;
 	unsigned	f_max;
-#endif
 	unsigned	bus_width:2; /* 0 = 1 bit, 1 = 4 bit, 2 = 8 bit */
 };
 
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 8a9bbd7..e4fa6a2 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -39,7 +39,7 @@
 
 config DRIVER_SPI_MXS
 	bool "i.MX (23,28) SPI Master driver"
-	depends on ARCH_IMX23 || ARCH_IMX28
+	depends on ARCH_IMX28
 	depends on SPI
 
 config DRIVER_SPI_MVEBU
diff --git a/fs/Kconfig b/fs/Kconfig
index 04616b0..feab537 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -61,6 +61,7 @@
 
 config FS_BPKFS
 	bool
+	select CRC32
 	prompt "BPKFS support"
 	help
 	  Simple update file format developed for Somfy, tools and library are
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 95fdd05..7674970 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -1,17 +1,6 @@
 #ifndef __ASM_GENERIC_GPIO_H
 #define __ASM_GENERIC_GPIO_H
 
-#define ARCH_NR_GPIOS 256
-
-static inline int gpio_is_valid(int gpio)
-{
-	if (gpio < 0)
-		return 0;
-	if (gpio < ARCH_NR_GPIOS)
-		return 1;
-	return 0;
-}
-
 void gpio_set_value(unsigned gpio, int value);
 int gpio_get_value(unsigned gpio);
 int gpio_direction_output(unsigned gpio, int value);
diff --git a/include/gpio.h b/include/gpio.h
index 4a97521..f116ea6 100644
--- a/include/gpio.h
+++ b/include/gpio.h
@@ -3,6 +3,17 @@
 
 #include <asm/gpio.h>
 
+#define ARCH_NR_GPIOS 256
+
+static inline int gpio_is_valid(int gpio)
+{
+	if (gpio < 0)
+		return 0;
+	if (gpio < ARCH_NR_GPIOS)
+		return 1;
+	return 0;
+}
+
 #define GPIOF_DIR_OUT	(0 << 0)
 #define GPIOF_DIR_IN	(1 << 0)
 
diff --git a/include/param.h b/include/param.h
index b8dd9b1..53bee54 100644
--- a/include/param.h
+++ b/include/param.h
@@ -67,7 +67,7 @@
 		int (*get)(struct param_d *p, void *priv),
 		u8 *mac, void *priv);
 
-int dev_add_param_fixed(struct device_d *dev, char *name, const char *value);
+int dev_add_param_fixed(struct device_d *dev, const char *name, const char *value);
 
 void dev_remove_param(struct param_d *p);
 
@@ -161,7 +161,7 @@
 	return NULL;
 }
 
-static inline int dev_add_param_fixed(struct device_d *dev, char *name, char *value)
+static inline int dev_add_param_fixed(struct device_d *dev, const char *name, const char *value)
 {
 	return 0;
 }
diff --git a/lib/parameter.c b/lib/parameter.c
index bcdb16b..d337ef3 100644
--- a/lib/parameter.c
+++ b/lib/parameter.c
@@ -185,7 +185,7 @@
  * @param name	The name of the parameter
  * @param value	The value of the parameter
  */
-int dev_add_param_fixed(struct device_d *dev, char *name, const char *value)
+int dev_add_param_fixed(struct device_d *dev, const char *name, const char *value)
 {
 	struct param_d *param;
 	int ret;