sf: localize erase funcs

No need for these to be exported as they are only accessed indirectly
via function pointers.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

drivers/mtd/spi/atmel.c

@@ -328,7 +328,7 @@ out:
 /*
  * TODO: the two erase funcs (_p2/_at45) should get unified ...
  */
-int dataflash_erase_p2(struct spi_flash *flash, u32 offset, size_t len)
+static int dataflash_erase_p2(struct spi_flash *flash, u32 offset, size_t len)
 {
 	struct atmel_spi_flash *asf = to_atmel_spi_flash(flash);
 	unsigned long page_size;
@@ -387,7 +387,7 @@ out:
 	return ret;
 }
 
-int dataflash_erase_at45(struct spi_flash *flash, u32 offset, size_t len)
+static int dataflash_erase_at45(struct spi_flash *flash, u32 offset, size_t len)
 {
 	struct atmel_spi_flash *asf = to_atmel_spi_flash(flash);
 	unsigned long page_addr;

drivers/mtd/spi/eon.c

@@ -119,7 +119,7 @@ static int eon_write(struct spi_flash *flash,
 	return ret;
 }
 
-int eon_erase(struct spi_flash *flash, u32 offset, size_t len)
+static int eon_erase(struct spi_flash *flash, u32 offset, size_t len)
 {
 	return spi_flash_cmd_erase(flash, CMD_EN25Q128_BE, offset, len);
 }

drivers/mtd/spi/macronix.c

@@ -175,7 +175,7 @@ static int macronix_write(struct spi_flash *flash,
 	return ret;
 }
 
-int macronix_erase(struct spi_flash *flash, u32 offset, size_t len)
+static int macronix_erase(struct spi_flash *flash, u32 offset, size_t len)
 {
 	return spi_flash_cmd_erase(flash, CMD_MX25XX_BE, offset, len);
 }

drivers/mtd/spi/ramtron.c

@@ -233,7 +233,7 @@ static int ramtron_write(struct spi_flash *flash,
 		CMD_RAMTRON_WRITE);
 }
 
-int ramtron_erase(struct spi_flash *flash, u32 offset, size_t len)
+static int ramtron_erase(struct spi_flash *flash, u32 offset, size_t len)
 {
 	debug("SF: Erase of RAMTRON FRAMs is pointless\n");
 	return -1;

drivers/mtd/spi/spansion.c

@@ -196,7 +196,7 @@ static int spansion_write(struct spi_flash *flash,
 	return ret;
 }
 
-int spansion_erase(struct spi_flash *flash, u32 offset, size_t len)
+static int spansion_erase(struct spi_flash *flash, u32 offset, size_t len)
 {
 	return spi_flash_cmd_erase(flash, CMD_S25FLXX_SE, offset, len);
 }

drivers/mtd/spi/sst.c

@@ -199,7 +199,7 @@ sst_write(struct spi_flash *flash, u32 offset, size_t len, const void *buf)
 	return ret;
 }
 
-int sst_erase(struct spi_flash *flash, u32 offset, size_t len)
+static int sst_erase(struct spi_flash *flash, u32 offset, size_t len)
 {
 	return spi_flash_cmd_erase(flash, CMD_SST_SE, offset, len);
 }

drivers/mtd/spi/stmicro.c

@@ -197,7 +197,7 @@ static int stmicro_write(struct spi_flash *flash,
 	return ret;
 }
 
-int stmicro_erase(struct spi_flash *flash, u32 offset, size_t len)
+static int stmicro_erase(struct spi_flash *flash, u32 offset, size_t len)
 {
 	return spi_flash_cmd_erase(flash, CMD_M25PXX_SE, offset, len);
 }

drivers/mtd/spi/winbond.c

@@ -170,7 +170,7 @@ out:
 	return ret;
 }
 
-int winbond_erase(struct spi_flash *flash, u32 offset, size_t len)
+static int winbond_erase(struct spi_flash *flash, u32 offset, size_t len)
 {
 	return spi_flash_cmd_erase(flash, CMD_W25_SE, offset, len);
 }