diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/spi-nor/core.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 877557dbda7f..e0021dd34bfe 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -559,6 +559,17 @@ static int spi_nor_sr_ready(struct spi_nor *nor) dev_err(nor->dev, "Programming Error occurred\n"); spi_nor_clear_sr(nor); + + /* + * WEL bit remains set to one when an erase or page program + * error occurs. Issue a Write Disable command to protect + * against inadvertent writes that can possibly corrupt the + * contents of the memory. + */ + ret = spi_nor_write_disable(nor); + if (ret) + return ret; + return -EIO; } @@ -615,6 +626,17 @@ static int spi_nor_fsr_ready(struct spi_nor *nor) "Attempted to modify a protected sector.\n"); spi_nor_clear_fsr(nor); + + /* + * WEL bit remains set to one when an erase or page program + * error occurs. Issue a Write Disable command to protect + * against inadvertent writes that can possibly corrupt the + * contents of the memory. + */ + ret = spi_nor_write_disable(nor); + if (ret) + return ret; + return -EIO; } |