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path: root/drivers/mtd/spi-nor/spi-nor.c
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Diffstat (limited to 'drivers/mtd/spi-nor/spi-nor.c')
-rw-r--r--drivers/mtd/spi-nor/spi-nor.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 1e08976ab028..0f4f2ba16e3e 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -265,9 +265,6 @@ static int erase_chip(struct spi_nor *nor)
{
dev_dbg(nor->dev, " %lldKiB\n", (long long)(nor->mtd->size >> 10));
- /* Send write enable, then erase commands. */
- write_enable(nor);
-
return nor->write_reg(nor, SPINOR_OP_CHIP_ERASE, NULL, 0, 0);
}
@@ -322,6 +319,8 @@ static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr)
/* whole-chip erase? */
if (len == mtd->size) {
+ write_enable(nor);
+
if (erase_chip(nor)) {
ret = -EIO;
goto erase_err;
@@ -339,6 +338,8 @@ static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr)
/* "sector"-at-a-time erase */
} else {
while (len) {
+ write_enable(nor);
+
if (nor->erase(nor, addr)) {
ret = -EIO;
goto erase_err;
@@ -353,6 +354,8 @@ static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr)
}
}
+ write_disable(nor);
+
spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_ERASE);
instr->state = MTD_ERASE_DONE;