From e827756d64773515fa7de5e7e942a6d1494bf64e Mon Sep 17 00:00:00 2001 From: Oza Pawandeep Date: Fri, 9 Jun 2017 10:59:06 +0100 Subject: [PATCH] nvmem: correct Broadcom OTP controller driver writes - use data write offset to write otp data instead of read offset - use OTP program command 0x8 to write otp with ECC rather than just command 0xA without ECC Fixes: 9d59c6e8ae27 ("nvmem: Add the Broadcom OTP controller driver") Signed-off-by: Oza Pawandeep Signed-off-by: Scott Branden Signed-off-by: Srinivas Kandagatla Signed-off-by: Greg Kroah-Hartman --- drivers/nvmem/bcm-ocotp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/nvmem/bcm-ocotp.c b/drivers/nvmem/bcm-ocotp.c index 646cadb..3c56e3b 100644 --- a/drivers/nvmem/bcm-ocotp.c +++ b/drivers/nvmem/bcm-ocotp.c @@ -34,7 +34,7 @@ #define OTPC_CMD_READ 0x0 #define OTPC_CMD_OTP_PROG_ENABLE 0x2 #define OTPC_CMD_OTP_PROG_DISABLE 0x3 -#define OTPC_CMD_PROGRAM 0xA +#define OTPC_CMD_PROGRAM 0x8 /* OTPC Status Bits */ #define OTPC_STAT_CMD_DONE BIT(1) @@ -209,7 +209,7 @@ static int bcm_otpc_write(void *context, unsigned int offset, void *val, set_command(priv->base, OTPC_CMD_PROGRAM); set_cpu_address(priv->base, address++); for (i = 0; i < priv->map->otpc_row_size; i++) { - writel(*buf, priv->base + priv->map->data_r_offset[i]); + writel(*buf, priv->base + priv->map->data_w_offset[i]); buf++; bytes_written += sizeof(*buf); } -- 2.7.4