From: Corentin Labbe <clabbe@baylibre.com> commit 5d892919fdd0cefd361697472d4e1b174a594991 upstream. I have hit the following build error: armv7a-hardfloat-linux-gnueabi-ld: drivers/rtc/rtc-max8907.o: in function `max8907_rtc_probe': rtc-max8907.c:(.text+0x400): undefined reference to `regmap_irq_get_virq' max8907 should select REGMAP_IRQ Fixes: 94c01ab6d7544 ("rtc: add MAX8907 RTC driver") Cc: stable <stable@vger.kernel.org> Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/rtc/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 7d7be60..28a4505 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -314,6 +314,7 @@ config RTC_DRV_MAX6900 config RTC_DRV_MAX8907 tristate "Maxim MAX8907" depends on MFD_MAX8907 || COMPILE_TEST + select REGMAP_IRQ help If you say yes here you will get support for the RTC of Maxim MAX8907 PMIC. -- 1.8.3