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>
diff --git a/drivers/mtd/spi/winbond.c b/drivers/mtd/spi/winbond.c
index d1358ea..427b71f 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 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 @@
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;