From: Hector Palacios <hector.palacios@digi.com>
Date: Fri, 21 Nov 2014 16:54:44 +0000 (+0100)
Subject: mxs_ocotp: clear the error flag before initiating write operation
X-Git-Tag: v2015.01-rc4~30^2~10
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=3d99fcbc159915405a77e8bd5d719ba446137875;p=u-boot

mxs_ocotp: clear the error flag before initiating write operation

A previous operation may have set the error flag, which must be cleared
before a new write operation can be issued.

Signed-off-by: Hector Palacios <hector.palacios@digi.com>
---

diff --git a/drivers/misc/mxs_ocotp.c b/drivers/misc/mxs_ocotp.c
index 1659ee6a5e..6f0a1d3e6d 100644
--- a/drivers/misc/mxs_ocotp.c
+++ b/drivers/misc/mxs_ocotp.c
@@ -187,6 +187,8 @@ static int mxs_ocotp_write_fuse(uint32_t addr, uint32_t mask)
 	uint32_t hclk_val, vddio_val;
 	int ret;
 
+	mxs_ocotp_clear_error();
+
 	/* Make sure the banks are closed for reading. */
 	ret = mxs_ocotp_read_bank_open(0);
 	if (ret) {