tegra: make local functions static

Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
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 @@
 }
 
 /* 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 @@
 }
 
 /* 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 @@
  * @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 2642fe2..2bd36b0 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 @@
 	return 0;
 }
 
-int tegra_mmc_getcd(struct mmc *mmc)
+static int tegra_mmc_getcd(struct mmc *mmc)
 {
 	struct mmc_host *host = mmc->priv;