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gpio: stm32_gpio: check GPIO node status after checking DT 

The call to fdt_get_status(node) has to be done after the DT is found
to be valid.

Fixes: 1fc2130c5 stm32mp1: update device tree and gpio functions

Change-Id: I70f803aae3dde128a9e740f54c8837b64cb1a244
Signed-off-by: Yann Gautier <yann.gautier@st.com>
This commit is contained in:
Yann Gautier 2020-09-04 13:25:27 +02:00
parent 662c1f5c17
commit 769a990428
1 changed files with 3 additions and 2 deletions
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5
drivers/st/gpio/stm32_gpio.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2016-2019, STMicroelectronics - All Rights Reserved
* Copyright (c) 2016-2020, STMicroelectronics - All Rights Reserved
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@ -161,13 +161,14 @@ int dt_set_pinctrl_config(int node)
const fdt32_t *cuint;
int lenp = 0;
uint32_t i;
uint8_t status = fdt_get_status(node);
uint8_t status;
void *fdt;
if (fdt_get_address(&fdt) == 0) {
return -FDT_ERR_NOTFOUND;
}
status = fdt_get_status(node);
if (status == DT_DISABLED) {
return -FDT_ERR_NOTFOUND;
}