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Diffstat (limited to 'drivers/mtd/spi/spi_flash.c')
| -rw-r--r-- | drivers/mtd/spi/spi_flash.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c index a87bacd4ac..0c2392f28a 100644 --- a/drivers/mtd/spi/spi_flash.c +++ b/drivers/mtd/spi/spi_flash.c @@ -110,6 +110,18 @@ static int write_cr(struct spi_flash *flash, u8 wc) } #endif +int spi_flash_cmd_get_sw_write_prot(struct spi_flash *flash) +{ + u8 status; + int ret; + + ret = read_sr(flash, &status); + if (ret) + return ret; + + return (status >> 2) & 7; +} + #ifdef CONFIG_SPI_FLASH_BAR /* * This "clean_bar" is necessary in a situation when one was accessing |