From: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> Without __exit, having the driver as a builtin after dropping the __exit annotation results in: >> drivers/rtc/rtc-at91rm9200.c:561:13: warning: 'at91_rtc_remove' defined but not used [-Wunused-function] 561 | static void at91_rtc_remove(struct platform_device *pdev) | ^~~~~~~~~~~~~~~ Reported-by: kernel test robot <lkp@xxxxxxxxx> Closes: https://lore.kernel.org/oe-kbuild-all/202310160705.vlElNOGb-lkp@xxxxxxxxx/ Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> --- drivers/rtc/rtc-at91rm9200.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index 3f5ff9867c02..c16fe711a0d9 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -558,7 +558,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev) /* * Disable and remove the RTC driver */ -static void at91_rtc_remove(struct platform_device *pdev) +static void __exit at91_rtc_remove(struct platform_device *pdev) { /* Disable all interrupts */ at91_rtc_write_idr(AT91_RTC_ACKUPD | AT91_RTC_ALARM | -- 2.41.0