linux-kernel - [PATCH 4.4 21/91] rtc: max8907: add missing select REGMAP

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Message-Id: <20200401161520.655696845@linuxfoundation.org>
Date:   Wed,  1 Apr 2020 18:17:17 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Corentin Labbe <clabbe@...libre.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [PATCH 4.4 21/91] rtc: max8907: add missing select REGMAP_IRQ

From: Corentin Labbe <clabbe@...libre.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@...r.kernel.org>
Signed-off-by: Corentin Labbe <clabbe@...libre.com>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/rtc/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -278,6 +278,7 @@ config RTC_DRV_MAX6900
 config RTC_DRV_MAX8907
 	tristate "Maxim MAX8907"
 	depends on MFD_MAX8907
+	select REGMAP_IRQ
 	help
 	  If you say yes here you will get support for the
 	  RTC of Maxim MAX8907 PMIC.