From: Peng Fan <peng.fan@xxxxxxx>
commit 40bb95dbb8acca35f8d52a833393ddbb01cfa2db upstream.
SIP number 0xC200000A is for reading, 0xC200000B is for writing.
And the following two args for write are word index, data to write.
Fixes: 885ce72a09d0 ("nvmem: imx: scu: support write")
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20200109104017.6249-2-srinivas.kandagatla@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/nvmem/imx-ocotp-scu.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--- a/drivers/nvmem/imx-ocotp-scu.c
+++ b/drivers/nvmem/imx-ocotp-scu.c
@@ -15,8 +15,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
-#define IMX_SIP_OTP 0xC200000A
-#define IMX_SIP_OTP_WRITE 0x2
+#define IMX_SIP_OTP_WRITE 0xc200000B
enum ocotp_devtype {
IMX8QXP,
@@ -212,8 +211,7 @@ static int imx_scu_ocotp_write(void *con
mutex_lock(&scu_ocotp_mutex);
- arm_smccc_smc(IMX_SIP_OTP, IMX_SIP_OTP_WRITE, index, *buf,
- 0, 0, 0, 0, &res);
+ arm_smccc_smc(IMX_SIP_OTP_WRITE, index, *buf, 0, 0, 0, 0, 0, &res);
mutex_unlock(&scu_ocotp_mutex);
