linux-kernel - Re: [PATCH] clocksource/drivers/stm: Fix section mismatches

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Message-ID: <7ad2b976-3b0d-4823-a145-ceedf071450d@linaro.org>
Date: Wed, 5 Nov 2025 14:32:18 +0100
From: Daniel Lezcano <daniel.lezcano@...aro.org>
To: Johan Hovold <johan@...nel.org>, Thomas Gleixner <tglx@...utronix.de>
Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>,
 Alexandre Torgue <alexandre.torgue@...s.st.com>,
 linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] clocksource/drivers/stm: Fix section mismatches


Hi Johan,

thanks for your fix.

You should replace __init by __init_or_module


On 10/17/25 07:49, Johan Hovold wrote:
> Platform drivers can be probed after their init sections have been
> discarded (e.g. on probe deferral or manual rebind through sysfs) so the
> probe function must not live in init. Device managed resource actions
> similarly cannot be discarded.
> 
> The "_probe" suffix of the driver structure name prevents modpost from
> warning about this so replace it to catch any similar future issues.
> 
> Fixes: cec32ac75827 ("clocksource/drivers/nxp-timer: Add the System Timer Module for the s32gx platforms")
> Cc: stable@...r.kernel.org	# 6.16
> Cc: Daniel Lezcano <daniel.lezcano@...aro.org>
> Signed-off-by: Johan Hovold <johan@...nel.org>
> ---
>   drivers/clocksource/timer-nxp-stm.c | 18 +++++++++---------
>   1 file changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/clocksource/timer-nxp-stm.c b/drivers/clocksource/timer-nxp-stm.c
> index bbc40623728f..ce10bdcfc76b 100644
> --- a/drivers/clocksource/timer-nxp-stm.c
> +++ b/drivers/clocksource/timer-nxp-stm.c
> @@ -177,15 +177,15 @@ static void nxp_stm_clocksource_resume(struct clocksource *cs)
>   	nxp_stm_clocksource_enable(cs);
>   }
>   
> -static void __init devm_clocksource_unregister(void *data)
> +static void devm_clocksource_unregister(void *data)
>   {
>   	struct stm_timer *stm_timer = data;
>   
>   	clocksource_unregister(&stm_timer->cs);
>   }
>   
> -static int __init nxp_stm_clocksource_init(struct device *dev, struct stm_timer *stm_timer,
> -					   const char *name, void __iomem *base, struct clk *clk)
> +static int nxp_stm_clocksource_init(struct device *dev, struct stm_timer *stm_timer,
> +				    const char *name, void __iomem *base, struct clk *clk)
>   {
>   	int ret;
>   
> @@ -298,9 +298,9 @@ static void nxp_stm_clockevent_resume(struct clock_event_device *ced)
>   	nxp_stm_module_get(stm_timer);
>   }
>   
> -static int __init nxp_stm_clockevent_per_cpu_init(struct device *dev, struct stm_timer *stm_timer,
> -						  const char *name, void __iomem *base, int irq,
> -						  struct clk *clk, int cpu)
> +static int nxp_stm_clockevent_per_cpu_init(struct device *dev, struct stm_timer *stm_timer,
> +					   const char *name, void __iomem *base, int irq,
> +					   struct clk *clk, int cpu)
>   {
>   	stm_timer->base = base;
>   	stm_timer->rate = clk_get_rate(clk);
> @@ -388,7 +388,7 @@ static irqreturn_t nxp_stm_module_interrupt(int irq, void *dev_id)
>   	return IRQ_HANDLED;
>   }
>   
> -static int __init nxp_stm_timer_probe(struct platform_device *pdev)
> +static int nxp_stm_timer_probe(struct platform_device *pdev)
>   {
>   	struct stm_timer *stm_timer;
>   	struct device *dev = &pdev->dev;
> @@ -484,14 +484,14 @@ static const struct of_device_id nxp_stm_of_match[] = {
>   };
>   MODULE_DEVICE_TABLE(of, nxp_stm_of_match);
>   
> -static struct platform_driver nxp_stm_probe = {
> +static struct platform_driver nxp_stm_driver = {
>   	.probe	= nxp_stm_timer_probe,
>   	.driver	= {
>   		.name		= "nxp-stm",
>   		.of_match_table	= nxp_stm_of_match,
>   	},
>   };
> -module_platform_driver(nxp_stm_probe);
> +module_platform_driver(nxp_stm_driver);
>   
>   MODULE_DESCRIPTION("NXP System Timer Module driver");
>   MODULE_LICENSE("GPL");


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