From f917438772c7c7da7f30e9209d9f100edac0255e Mon Sep 17 00:00:00 2001 From: Philippe Reynes Date: Fri, 15 Mar 2019 15:14:38 +0100 Subject: [PATCH] drivers: nand: brcmnand: add an option to read the write-protect from device tree The option write-protect may only change on the kernel command line, we add a property in the device tree to be more flexible. Signed-off-by: Philippe Reynes --- drivers/mtd/nand/raw/brcmnand/brcmnand.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c index e333320808..faa6da42d5 100644 --- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c +++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c @@ -2671,6 +2671,9 @@ int brcmnand_probe(struct udevice *dev, struct brcmnand_soc *soc) /* Disable XOR addressing */ brcmnand_rmw_reg(ctrl, BRCMNAND_CS_XOR, 0xff, 0, 0); + /* Read the write-protect configuration in the device tree */ + wp_on = dev_read_u32_default(dev, "write-protect", wp_on); + if (ctrl->features & BRCMNAND_HAS_WP) { /* Permanently disable write protection */ if (wp_on == 2) -- 2.39.5