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imx8: scu_api: sync sc_rm_is_pad_owned api change

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SCFW has fixed a overflow issue in sc_rm_is_pad_owned API. This
requires u-boot to update API implementation, since it will cause
compatible issue. Otherwise all pad checking will have problem and
cause pad setting not continue.

Due to the compatible issue, the new u-boot only works with new
SCFW (API version: 1.21 and later).

old scfw + old u-boot: API overflow issue
old scfw + new u-boot, or new scfw + old u-boot: API compatible issue
new scfw + new u-boot: Working

Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by : Jason Liu <Jason.hui.liu@nxp.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
This commit is contained in:
Ye Li
2022-12-13 05:08:02 +01:00
committed by Stefano Babic
parent 6dac63adca
commit 7246ec1934
2 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/include/asm/arch-imx8/sci/rpc.h
View File

@@ -11,7 +11,7 @@
/* Defines */
#define SCFW_API_VERSION_MAJOR 1U
#define SCFW_API_VERSION_MINOR 15U
#define SCFW_API_VERSION_MINOR 21U
#define SC_RPC_VERSION 1U

2
drivers/misc/imx8/scu_api.c
View File

@@ -788,7 +788,7 @@ sc_bool_t sc_rm_is_pad_owned(sc_ipc_t ipc, sc_pad_t pad)
RPC_VER(&msg) = SC_RPC_VERSION;
RPC_SVC(&msg) = (u8)SC_RPC_SVC_RM;
RPC_FUNC(&msg) = (u8)RM_FUNC_IS_PAD_OWNED;
RPC_U8(&msg, 0U) = (u8)pad;
RPC_U16(&msg, 0U) = (u16)pad;
RPC_SIZE(&msg) = 2U;
ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size);