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path: root/drivers/mtd/spi/sf_probe.c
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Diffstat (limited to 'drivers/mtd/spi/sf_probe.c')
-rw-r--r--drivers/mtd/spi/sf_probe.c30
1 files changed, 0 insertions, 30 deletions
diff --git a/drivers/mtd/spi/sf_probe.c b/drivers/mtd/spi/sf_probe.c
index 2ee228d3f3..de8d0b7f7c 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);
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