From e9ff3486d31b54abbfe373a1d4010f4ef44c1e7b Mon Sep 17 00:00:00 2001
From: Yann Gautier <yann.gautier@foss.st.com>
Date: Tue, 29 Mar 2022 15:39:11 +0200
Subject: [PATCH] refactor(st-drivers): do not rely on DT in etzpc_init
The ETZPC peripheral is always secure, and has a fixed address,
given by STM32MP1_ETZPC_BASE. This is then not needed to check
that in DT.
Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Change-Id: Ifb0779abaf830e1e5a469c72181c2b2726fb47b5
---
drivers/st/etzpc/etzpc.c | 16 ++--------------
1 file changed, 2 insertions(+), 14 deletions(-)
diff --git a/drivers/st/etzpc/etzpc.c b/drivers/st/etzpc/etzpc.c
index ff52a22d9..4c3c26d94 100644
--- a/drivers/st/etzpc/etzpc.c
+++ b/drivers/st/etzpc/etzpc.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2017-2020, STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2017-2022, STMicroelectronics - All Rights Reserved
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -225,20 +225,8 @@ uintptr_t etzpc_get_base_address(void)
int etzpc_init(void)
{
uint32_t hwcfg;
- int node;
- struct dt_node_info etzpc_info;
- node = dt_get_node(&etzpc_info, -1, ETZPC_COMPAT);
- if (node < 0) {
- return -EIO;
- }
-
- /* Check ETZPC is secure only */
- if (etzpc_info.status != DT_SECURE) {
- return -EACCES;
- }
-
- etzpc_dev.base = etzpc_info.base;
+ etzpc_dev.base = STM32MP1_ETZPC_BASE;
hwcfg = mmio_read_32(etzpc_dev.base + ETZPC_HWCFGR);