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-rw-r--r--drivers/mtd/spi-nor/spi-nor.c36
1 files changed, 9 insertions, 27 deletions
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index b62d9d00c30e..93cd1043ef4f 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -231,15 +231,8 @@ static int wait_till_ready(struct spi_nor *nor)
*/
static int erase_chip(struct spi_nor *nor)
{
- int ret;
-
dev_dbg(nor->dev, " %lldKiB\n", (long long)(nor->mtd->size >> 10));
- /* Wait until finished previous write command. */
- ret = wait_till_ready(nor);
- if (ret)
- return ret;
-
/* Send write enable, then erase commands. */
write_enable(nor);
@@ -302,6 +295,10 @@ static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr)
goto erase_err;
}
+ ret = spi_nor_wait_till_ready(nor);
+ if (ret)
+ goto erase_err;
+
/* REVISIT in some cases we could speed up erasing large regions
* by using SPINOR_OP_SE instead of SPINOR_OP_BE_4K. We may have set up
* to use "small sector erase", but that's not always optimal.
@@ -317,6 +314,10 @@ static int spi_nor_erase(struct mtd_info *mtd, struct erase_info *instr)
addr += mtd->erasesize;
len -= mtd->erasesize;
+
+ ret = spi_nor_wait_till_ready(nor);
+ if (ret)
+ goto erase_err;
}
}
@@ -344,11 +345,6 @@ static int spi_nor_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
if (ret)
return ret;
- /* Wait until finished previous command */
- ret = wait_till_ready(nor);
- if (ret)
- goto err;
-
status_old = read_sr(nor);
if (offset < mtd->size - (mtd->size / 2))
@@ -391,11 +387,6 @@ static int spi_nor_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
if (ret)
return ret;
- /* Wait until finished previous command */
- ret = wait_till_ready(nor);
- if (ret)
- goto err;
-
status_old = read_sr(nor);
if (offset+len > mtd->size - (mtd->size / 64))
@@ -706,11 +697,6 @@ static int sst_write(struct mtd_info *mtd, loff_t to, size_t len,
if (ret)
return ret;
- /* Wait until finished previous write command. */
- ret = wait_till_ready(nor);
- if (ret)
- goto time_out;
-
write_enable(nor);
nor->sst_write_second = false;
@@ -782,11 +768,6 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to, size_t len,
if (ret)
return ret;
- /* Wait until finished previous write command. */
- ret = wait_till_ready(nor);
- if (ret)
- goto write_err;
-
write_enable(nor);
page_offset = to & (nor->page_size - 1);
@@ -815,6 +796,7 @@ static int spi_nor_write(struct mtd_info *mtd, loff_t to, size_t len,
}
}
+ ret = spi_nor_wait_till_ready(nor);
write_err:
spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_WRITE);
return ret;