nvmem: imx: scu: fix write SIP
authorPeng Fan <peng.fan@nxp.com>
Thu, 9 Jan 2020 10:40:14 +0000 (10:40 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 10 Jan 2020 12:52:12 +0000 (13:52 +0100)
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.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/nvmem/imx-ocotp-scu.c

index 03f1ab2..455675d 100644 (file)
@@ -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 *context, unsigned int offset,
 
        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);