sf: unify erase commands

Analysis of the flash drivers shows that they all use 0x20 if the erase
size is 4KiB, or 0xd8 if it's larger.  So with this info in hand, we can
unify all the erase functionality in one place.

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

1 files changed, 1 insertions, 11 deletions

diff --git a/drivers/mtd/spi/winbond.c b/drivers/mtd/spi/winbond.c
index d1358ea24b..427b71fcdc 100644
--- a/drivers/mtd/spi/winbond.c
+++ b/drivers/mtd/spi/winbond.c
@@ -10,11 +10,6 @@
 
 #include "spi_flash_internal.h"
 
-/* M25Pxx-specific commands */
-#define CMD_W25_SE		0x20	/* Sector (4K) Erase */
-#define CMD_W25_BE		0xd8	/* Block (64K) Erase */
-#define CMD_W25_CE		0xc7	/* Chip Erase */
-
 struct winbond_spi_flash_params {
 	uint16_t	id;
 	uint16_t	nr_blocks;
@@ -69,11 +64,6 @@ static const struct winbond_spi_flash_params winbond_spi_flash_table[] = {
 	},
 };
 
-static int winbond_erase(struct spi_flash *flash, u32 offset, size_t len)
-{
-	return spi_flash_cmd_erase(flash, CMD_W25_SE, offset, len);
-}
-
 struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode)
 {
 	const struct winbond_spi_flash_params *params;
@@ -102,7 +92,7 @@ struct spi_flash *spi_flash_probe_winbond(struct spi_slave *spi, u8 *idcode)
 	flash->name = params->name;
 
 	flash->write = spi_flash_cmd_write_multi;
-	flash->erase = winbond_erase;
+	flash->erase = spi_flash_cmd_erase;
 	flash->read = spi_flash_cmd_read_fast;
 	flash->page_size = 4096;
 	flash->sector_size = 4096;