linux-kernel - Re: linux-next: build failure after merge of the rtc tree

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Date:   Mon, 16 Oct 2023 06:34:05 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the rtc tree

On 16/10/2023 15:15:22+1100, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the rtc tree, today's linux-next build (powerpc
> allyesconfig) failed like this:
> 
> drivers/rtc/rtc-at91rm9200.c:561:13: error: 'at91_rtc_remove' defined but not used [-Werror=unused-function]
>   561 | static void at91_rtc_remove(struct platform_device *pdev)
>       |             ^~~~~~~~~~~~~~~
> cc1: all warnings being treated as errors
> 
> Caused by commit
> 
>   48bc8830fbed ("rtc: at91rm9200: Convert to platform remove callback returning void")
> 
> This function lost its __exit attribute (which includes a "used"
> attribute) and exit_p(x) is NULL when not being built with
> CONFIG_MODULE set.  This build has CONFIG_RTC_DRV_AT91RM9200=y
> 
> I have reverted that commit for today.
> 

Thanks for the report, this is fixed now.


-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com