sf: Use static for file-scope functions

Use static for file-scope functions and removed
them from header files.

Tested-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>

2 files changed, 6 insertions, 23 deletions

diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h
index 670429f79a..8f586eed0d 100644
--- a/drivers/mtd/spi/sf_internal.h
+++ b/drivers/mtd/spi/sf_internal.h
@@ -171,12 +171,6 @@ int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_len,
 /* Flash erase(sectors) operation, support all possible erase commands */
 int spi_flash_cmd_erase_ops(struct spi_flash *flash, u32 offset, size_t len);
 
-/* Read the status register */
-int spi_flash_cmd_read_status(struct spi_flash *flash, u8 *rs);
-
-/* Program the status register */
-int spi_flash_cmd_write_status(struct spi_flash *flash, u8 ws);
-
 /* Lock stmicro spi flash region */
 int stm_lock(struct spi_flash *flash, u32 ofs, size_t len);
 
@@ -186,12 +180,6 @@ int stm_unlock(struct spi_flash *flash, u32 ofs, size_t len);
 /* Check if a stmicro spi flash region is completely locked */
 int stm_is_locked(struct spi_flash *flash, u32 ofs, size_t len);
 
-/* Read the config register */
-int spi_flash_cmd_read_config(struct spi_flash *flash, u8 *rc);
-
-/* Program the config register */
-int spi_flash_cmd_write_config(struct spi_flash *flash, u8 wc);
-
 /* Enable writing on the SPI flash */
 static inline int spi_flash_cmd_write_enable(struct spi_flash *flash)
 {
@@ -205,12 +193,6 @@ static inline int spi_flash_cmd_write_disable(struct spi_flash *flash)
 }
 
 /*
- * Send the read status command to the device and wait for the wip
- * (write-in-progress) bit to clear itself.
- */
-int spi_flash_cmd_wait_ready(struct spi_flash *flash, unsigned long timeout);
-
-/*
  * Used for spi_flash write operation
  * - SPI claim
  * - spi_flash_cmd_write_enable
diff --git a/drivers/mtd/spi/sf_ops.c b/drivers/mtd/spi/sf_ops.c
index 8d6040e71c..23a6adb89f 100644
--- a/drivers/mtd/spi/sf_ops.c
+++ b/drivers/mtd/spi/sf_ops.c
@@ -40,7 +40,7 @@ static u8 spi_read_cmds_array[] = {
 	CMD_READ_QUAD_IO_FAST,
 };
 
-int spi_flash_cmd_read_status(struct spi_flash *flash, u8 *rs)
+static int spi_flash_cmd_read_status(struct spi_flash *flash, u8 *rs)
 {
 	int ret;
 	u8 cmd;
@@ -69,7 +69,7 @@ static int read_fsr(struct spi_flash *flash, u8 *fsr)
 	return 0;
 }
 
-int spi_flash_cmd_write_status(struct spi_flash *flash, u8 ws)
+static int spi_flash_cmd_write_status(struct spi_flash *flash, u8 ws)
 {
 	u8 cmd;
 	int ret;
@@ -85,7 +85,7 @@ int spi_flash_cmd_write_status(struct spi_flash *flash, u8 ws)
 }
 
 #if defined(CONFIG_SPI_FLASH_SPANSION) || defined(CONFIG_SPI_FLASH_WINBOND)
-int spi_flash_cmd_read_config(struct spi_flash *flash, u8 *rc)
+static int spi_flash_cmd_read_config(struct spi_flash *flash, u8 *rc)
 {
 	int ret;
 	u8 cmd;
@@ -100,7 +100,7 @@ int spi_flash_cmd_read_config(struct spi_flash *flash, u8 *rc)
 	return 0;
 }
 
-int spi_flash_cmd_write_config(struct spi_flash *flash, u8 wc)
+static int spi_flash_cmd_write_config(struct spi_flash *flash, u8 wc)
 {
 	u8 data[2];
 	u8 cmd;
@@ -238,7 +238,8 @@ static int spi_flash_ready(struct spi_flash *flash)
 	return sr && fsr;
 }
 
-int spi_flash_cmd_wait_ready(struct spi_flash *flash, unsigned long timeout)
+static int spi_flash_cmd_wait_ready(struct spi_flash *flash,
+					unsigned long timeout)
 {
 	int timebase, ret;