From: Peng Fan peng.fan@nxp.com
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@nxp.com Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org Cc: stable stable@vger.kernel.org Link: https://lore.kernel.org/r/20200109104017.6249-2-srinivas.kandagatla@linaro.o... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- 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);