diff options
Diffstat (limited to 'drivers/mtd/spi/sf_ops.c')
| -rw-r--r-- | drivers/mtd/spi/sf_ops.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/mtd/spi/sf_ops.c b/drivers/mtd/spi/sf_ops.c index 384224d..3a56d7f 100644 --- a/drivers/mtd/spi/sf_ops.c +++ b/drivers/mtd/spi/sf_ops.c @@ -583,7 +583,7 @@ int sst_write_bp(struct spi_flash *flash, u32 offset, size_t len, } #endif -#ifdef CONFIG_SPI_FLASH_STMICRO +#if defined(CONFIG_SPI_FLASH_STMICRO) || defined(CONFIG_SPI_FLASH_SST) static void stm_get_locked_range(struct spi_flash *flash, u8 sr, loff_t *ofs, u32 *len) { @@ -663,8 +663,11 @@ int stm_lock(struct spi_flash *flash, u32 ofs, size_t len) u8 status_old, status_new; u8 mask = SR_BP2 | SR_BP1 | SR_BP0; u8 shift = ffs(mask) - 1, pow, val; + int ret; - spi_flash_cmd_read_status(flash, &status_old); + ret = spi_flash_cmd_read_status(flash, &status_old); + if (ret < 0) + return ret; /* SPI NOR always locks to the end */ if (ofs + len != flash->size) { @@ -714,8 +717,11 @@ int stm_unlock(struct spi_flash *flash, u32 ofs, size_t len) uint8_t status_old, status_new; u8 mask = SR_BP2 | SR_BP1 | SR_BP0; u8 shift = ffs(mask) - 1, pow, val; + int ret; - spi_flash_cmd_read_status(flash, &status_old); + ret = spi_flash_cmd_read_status(flash, &status_old); + if (ret < 0) + return ret; /* Cannot unlock; would unlock larger region than requested */ if (stm_is_locked_sr(flash, status_old, ofs - flash->erase_size, @@ -750,4 +756,4 @@ int stm_unlock(struct spi_flash *flash, u32 ofs, size_t len) return 0; } -#endif /* CONFIG_SPI_FLASH_STMICRO */ +#endif |