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 1659ee6a5eecd9d2bb6a098a230c7e03394102ef..6f0a1d3e6da836c84ef59abc7644ca9adfda3830 100644 (file)
--- 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) {