diff --git a/arch/arm/cpu/armv7/tegra20/display.c b/arch/arm/cpu/armv7/tegra20/display.c
index fd77f3f..d98cec9 100644
--- a/arch/arm/cpu/armv7/tegra20/display.c
+++ b/arch/arm/cpu/armv7/tegra20/display.c
@@ -194,7 +194,8 @@ static void rgb_enable(struct dc_com_reg *com)
 		writel(rgb_sel_tab[i], &com->pin_output_sel[i]);
 }
 
-int setup_window(struct disp_ctl_win *win, struct fdt_disp_config *config)
+static int setup_window(struct disp_ctl_win *win,
+			struct fdt_disp_config *config)
 {
 	win->x = 0;
 	win->y = 0;
diff --git a/arch/arm/cpu/tegra-common/sys_info.c b/arch/arm/cpu/tegra-common/sys_info.c
index de20325..5933c35 100644
--- a/arch/arm/cpu/tegra-common/sys_info.c
+++ b/arch/arm/cpu/tegra-common/sys_info.c
@@ -8,7 +8,7 @@
 #include <common.h>
 #include <linux/ctype.h>
 
-void upstring(char *s)
+static void upstring(char *s)
 {
 	while (*s) {
 		*s = toupper(*s);
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c
index d01abce..f2fcf9a 100644
--- a/board/nvidia/common/board.c
+++ b/board/nvidia/common/board.c
@@ -47,46 +47,19 @@ const struct tegra_sysinfo sysinfo = {
 	CONFIG_TEGRA_BOARD_STRING
 };
 
-void __pinmux_init(void)
-{
-}
-
-void pinmux_init(void) __attribute__((weak, alias("__pinmux_init")));
-
-void __pin_mux_usb(void)
-{
-}
-
-void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
-
-void __pin_mux_spi(void)
-{
-}
-
-void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
-
-void __gpio_early_init_uart(void)
-{
-}
-
-void gpio_early_init_uart(void)
-__attribute__((weak, alias("__gpio_early_init_uart")));
+__weak void pinmux_init(void) {}
+__weak void pin_mux_usb(void) {}
+__weak void pin_mux_spi(void) {}
+__weak void gpio_early_init_uart(void) {}
+__weak void pin_mux_display(void) {}
 
 #if defined(CONFIG_TEGRA_NAND)
-void __pin_mux_nand(void)
+__weak void pin_mux_nand(void)
 {
 	funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_DEFAULT);
 }
-
-void pin_mux_nand(void) __attribute__((weak, alias("__pin_mux_nand")));
 #endif
 
-void __pin_mux_display(void)
-{
-}
-
-void pin_mux_display(void) __attribute__((weak, alias("__pin_mux_display")));
-
 /*
  * Routine: power_det_init
  * Description: turn off power detects
@@ -205,12 +178,10 @@ int board_late_init(void)
 }
 
 #if defined(CONFIG_TEGRA_MMC)
-void __pin_mux_mmc(void)
+__weak void pin_mux_mmc(void)
 {
 }
 
-void pin_mux_mmc(void) __attribute__((weak, alias("__pin_mux_mmc")));
-
 /* this is a weak define that we are overriding */
 int board_mmc_init(bd_t *bd)
 {
diff --git a/board/nvidia/common/emc.c b/board/nvidia/common/emc.c
index 8124f8a..8c62f36 100644
--- a/board/nvidia/common/emc.c
+++ b/board/nvidia/common/emc.c
@@ -5,6 +5,7 @@
  */
 
 #include <common.h>
+#include "emc.h"
 #include <asm/io.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/emc.h>
diff --git a/board/nvidia/seaboard/seaboard.c b/board/nvidia/seaboard/seaboard.c
index 6a243f0..11472eb 100644
--- a/board/nvidia/seaboard/seaboard.c
+++ b/board/nvidia/seaboard/seaboard.c
@@ -8,6 +8,7 @@
 #include <common.h>
 #include <asm/io.h>
 #include <asm/arch/tegra.h>
+#include <asm/arch-tegra/board.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/funcmux.h>
 #include <asm/arch/gpio.h>
diff --git a/drivers/i2c/tegra_i2c.c b/drivers/i2c/tegra_i2c.c
index 257b72f..562211e 100644
--- a/drivers/i2c/tegra_i2c.c
+++ b/drivers/i2c/tegra_i2c.c
@@ -471,8 +471,8 @@ static void tegra_i2c_init(struct i2c_adapter *adap, int speed, int slaveaddr)
 }
 
 /* i2c write version without the register address */
-int i2c_write_data(struct i2c_bus *bus, uchar chip, uchar *buffer, int len,
-		   bool end_with_repeated_start)
+static int i2c_write_data(struct i2c_bus *bus, uchar chip, uchar *buffer,
+			  int len, bool end_with_repeated_start)
 {
 	int rc;
 
@@ -493,7 +493,8 @@ int i2c_write_data(struct i2c_bus *bus, uchar chip, uchar *buffer, int len,
 }
 
 /* i2c read version without the register address */
-int i2c_read_data(struct i2c_bus *bus, uchar chip, uchar *buffer, int len)
+static int i2c_read_data(struct i2c_bus *bus, uchar chip, uchar *buffer,
+				int len)
 {
 	int rc;
 
diff --git a/drivers/input/tegra-kbc.c b/drivers/input/tegra-kbc.c
index 7e36db0..0ef94f7 100644
--- a/drivers/input/tegra-kbc.c
+++ b/drivers/input/tegra-kbc.c
@@ -181,7 +181,7 @@ static void kbd_wait_for_fifo_init(struct keyb *config)
  * @param input		Input configuration
  * @return 1, to indicate that we have something to look at
  */
-int tegra_kbc_check(struct input_config *input)
+static int tegra_kbc_check(struct input_config *input)
 {
 	kbd_wait_for_fifo_init(&config);
 	check_for_keys(&config);
diff --git a/drivers/mmc/tegra_mmc.c b/drivers/mmc/tegra_mmc.c
index ca9c4aa..015da59 100644
--- a/drivers/mmc/tegra_mmc.c
+++ b/drivers/mmc/tegra_mmc.c
@@ -13,6 +13,7 @@
 #include <asm/io.h>
 #include <asm/arch/clock.h>
 #include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/mmc.h>
 #include <asm/arch-tegra/tegra_mmc.h>
 #include <mmc.h>
 
@@ -508,7 +509,7 @@ static int tegra_mmc_core_init(struct mmc *mmc)
 	return 0;
 }
 
-int tegra_mmc_getcd(struct mmc *mmc)
+static int tegra_mmc_getcd(struct mmc *mmc)
 {
 	struct mmc_host *host = mmc->priv;
 
