sf: unify erase functions

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

1 files changed, 4 insertions, 56 deletions

diff --git a/drivers/mtd/spi/macronix.c b/drivers/mtd/spi/macronix.c
index 291fd17de..573e1dba7 100644
--- a/drivers/mtd/spi/macronix.c
+++ b/drivers/mtd/spi/macronix.c
@@ -198,62 +198,10 @@ static int macronix_write(struct spi_flash *flash,
 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)