sf: unify erase functions
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/drivers/mtd/spi/macronix.c b/drivers/mtd/spi/macronix.c
index 291fd17..573e1db 100644
--- a/drivers/mtd/spi/macronix.c
+++ b/drivers/mtd/spi/macronix.c
@@ -198,62 +198,10 @@
int macronix_erase(struct spi_flash *flash, u32 offset, size_t len)
{
struct macronix_spi_flash *mcx = to_macronix_spi_flash(flash);
- unsigned long sector_size;
- size_t actual;
- int ret;
- u8 cmd[4];
-
- /*
- * This function currently uses sector erase only.
- * probably speed things up by using bulk erase
- * when possible.
- */
-
- sector_size = mcx->params->page_size * mcx->params->pages_per_sector
- * mcx->params->sectors_per_block;
-
- if (offset % sector_size || len % sector_size) {
- debug("SF: Erase offset/length not multiple of sector size\n");
- return -1;
- }
-
- len /= sector_size;
- cmd[0] = CMD_MX25XX_BE;
- cmd[2] = 0x00;
- cmd[3] = 0x00;
-
- ret = spi_claim_bus(flash->spi);
- if (ret) {
- debug("SF: Unable to claim SPI bus\n");
- return ret;
- }
-
- ret = 0;
- for (actual = 0; actual < len; actual++) {
- cmd[1] = (offset / sector_size) + actual;
-
- ret = spi_flash_cmd(flash->spi, CMD_MX25XX_WREN, NULL, 0);
- if (ret < 0) {
- debug("SF: Enabling Write failed\n");
- break;
- }
-
- ret = spi_flash_cmd_write(flash->spi, cmd, 4, NULL, 0);
- if (ret < 0) {
- debug("SF: Macronix page erase failed\n");
- break;
- }
-
- ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PAGE_ERASE_TIMEOUT);
- if (ret)
- break;
- }
-
- debug("SF: Macronix: Successfully erased %u bytes @ 0x%x\n",
- len * sector_size, offset);
-
- spi_release_bus(flash->spi);
- return ret;
+ return spi_flash_cmd_erase(flash, CMD_MX25XX_BE,
+ mcx->params->page_size * mcx->params->pages_per_sector *
+ mcx->params->sectors_per_block,
+ offset, len);
}
struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode)