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feat(st-clock): don't gate/ungate an oscillator if it is not wired

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If the oscillator is not present, the gating will fail.

Change-Id: If9119460a4bcd42053537f1975afe5fe1df05752
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
This commit is contained in:
Gabriel Fernandez 2022-07-08 14:42:19 +02:00 • committed by Yann Gautier
parent c6d50c9f93
commit f2aebab859
1 changed files with 9 additions and 1 deletions

10
drivers/st/clk/clk-stm32-core.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (C) 2022, STMicroelectronics - All Rights Reserved
* Copyright (C) 2022-2024, STMicroelectronics - All Rights Reserved
*
* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
*/
@ -957,6 +957,10 @@ int clk_stm32_osc_gate_enable(struct stm32_clk_priv *priv, int id)
{
struct clk_oscillator_data *osc_data = clk_oscillator_get_data(priv, id);
if (osc_data->frequency == 0UL) {
return 0;
}
_clk_stm32_gate_enable(priv, osc_data->gate_id);
if (_clk_stm32_gate_wait_ready(priv, osc_data->gate_rdy_id, true) != 0U) {
@ -971,6 +975,10 @@ void clk_stm32_osc_gate_disable(struct stm32_clk_priv *priv, int id)
{
struct clk_oscillator_data *osc_data = clk_oscillator_get_data(priv, id);
if (osc_data->frequency == 0UL) {
return;
}
_clk_stm32_gate_disable(priv, osc_data->gate_id);
if (_clk_stm32_gate_wait_ready(priv, osc_data->gate_rdy_id, false) != 0U) {