diff options
Diffstat (limited to 'drivers/mtd/spi/macronix.c')
| -rw-r--r-- | drivers/mtd/spi/macronix.c | 41 |
1 files changed, 1 insertions, 40 deletions
diff --git a/drivers/mtd/spi/macronix.c b/drivers/mtd/spi/macronix.c index 5268c661ea..c97a39d499 100644 --- a/drivers/mtd/spi/macronix.c +++ b/drivers/mtd/spi/macronix.c @@ -79,45 +79,6 @@ static const struct macronix_spi_flash_params macronix_spi_flash_table[] = { }, }; -static int macronix_write_status(struct spi_flash *flash, u8 sr) -{ - u8 cmd; - int ret; - - ret = spi_flash_cmd_write_enable(flash); - if (ret < 0) { - debug("SF: enabling write failed\n"); - return ret; - } - - cmd = CMD_WRITE_STATUS; - ret = spi_flash_cmd_write(flash->spi, &cmd, 1, &sr, 1); - if (ret) { - debug("SF: fail to write status register\n"); - return ret; - } - - ret = spi_flash_cmd_wait_ready(flash, SPI_FLASH_PROG_TIMEOUT); - if (ret < 0) { - debug("SF: write status register timed out\n"); - return ret; - } - - return 0; -} - -static int macronix_unlock(struct spi_flash *flash) -{ - int ret; - - /* Enable status register writing and clear BP# bits */ - ret = macronix_write_status(flash, 0); - if (ret) - debug("SF: fail to disable write protection\n"); - - return ret; -} - struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode) { const struct macronix_spi_flash_params *params; @@ -153,7 +114,7 @@ struct spi_flash *spi_flash_probe_macronix(struct spi_slave *spi, u8 *idcode) flash->size = flash->sector_size * params->nr_blocks; /* Clear BP# bits for read-only flash */ - macronix_unlock(flash); + spi_flash_cmd_write_status(flash, 0); return flash; } |