diff options
Diffstat (limited to 'drivers/mtd/spi/sf_probe.c')
-rw-r--r-- | drivers/mtd/spi/sf_probe.c | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c index 2ee228d..de8d0b7 100644 --- a/drivers/mtd/spi/sf_probe.c +++ b/drivers/mtd/spi/sf_probe.c @@ -288,34 +288,6 @@ int spi_flash_decode_fdt(const void *blob, struct spi_flash *flash) } #endif /* CONFIG_OF_CONTROL */ -#ifdef CONFIG_SYS_SPI_ST_ENABLE_WP_PIN -/* enable the W#/Vpp signal to disable writing to the status register */ -static int spi_enable_wp_pin(struct spi_flash *flash) -{ - u8 status; - int ret; - - ret = spi_flash_cmd_read_status(flash, &status); - if (ret < 0) - return ret; - - ret = spi_flash_cmd_write_status(flash, STATUS_SRWD); - if (ret < 0) - return ret; - - ret = spi_flash_cmd_write_disable(flash); - if (ret < 0) - return ret; - - return 0; -} -#else -static int spi_enable_wp_pin(struct spi_flash *flash) -{ - return 0; -} -#endif - /** * spi_flash_probe_slave() - Probe for a SPI flash device on a bus * @@ -394,8 +366,6 @@ int spi_flash_probe_slave(struct spi_slave *spi, struct spi_flash *flash) puts(" Full access #define CONFIG_SPI_FLASH_BAR\n"); } #endif - if (spi_enable_wp_pin(flash)) - puts("Enable WP pin failed\n"); /* Release spi bus */ spi_release_bus(spi); |