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From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: daniel.lezcano@linaro.org,
tglx@linutronix.de
Cc: Jim Cromie <jim.cromie@gmail.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
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Subject: [PATCH v1 2/7] clocksource/drivers/stm32-lp: Add module owner
Date: Mon, 2 Jun 2025 17:18:46 +0200
Message-ID: <20250602151853.1942521-3-daniel.lezcano@linaro.org>
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Status: O
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| Series |
Setting the scene to convert the timers into modules
|
|
Commit Message
Daniel Lezcano
June 2, 2025, 3:18 p.m. UTC
The conversion to modules requires a correct handling of the module
refcount in order to prevent to unload it if it is in use. That is
especially true with the clockevents where there is no function to
unregister them.
The core time framework correctly handles the module refcount with the
different clocksource and clockevents if the module owner is set.
Add the module owner to make sure the core framework will prevent
stupid things happening when the driver will be converted into a
module.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
drivers/clocksource/timer-stm32-lp.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/clocksource/timer-stm32-lp.c b/drivers/clocksource/timer-stm32-lp.c index 928da2f6de69..cf1423ca00d0 100644 --- a/drivers/clocksource/timer-stm32-lp.c +++ b/drivers/clocksource/timer-stm32-lp.c @@ -159,6 +159,7 @@ static void stm32_clkevent_lp_init(struct stm32_lp_private *priv, priv->clkevt.rating = STM32_LP_RATING; priv->clkevt.suspend = stm32_clkevent_lp_suspend; priv->clkevt.resume = stm32_clkevent_lp_resume; + priv->clkevt.owner = THIS_MODULE; clockevents_config_and_register(&priv->clkevt, rate, 0x1, STM32_LPTIM_MAX_ARR);