Commit 40bb95db authored by Peng Fan's avatar Peng Fan Committed by Greg Kroah-Hartman
Browse files

nvmem: imx: scu: fix write SIP 



SIP number 0xC200000A is for reading, 0xC200000B is for writing.
And the following two args for write are word index, data to write.

Fixes: 885ce72a ("nvmem: imx: scu: support write")
Signed-off-by: default avatarPeng Fan <peng.fan@nxp.com>
Signed-off-by: default avatarSrinivas 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: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1e8d19d9

drivers/nvmem/imx-ocotp-scu.c

+2 −4
Original line number Diff line number Diff line
@@ -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);