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Date:   Fri, 14 Feb 2020 10:41:31 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Paul Gazzillo <paul@...zz.com>,
        Lee Jones <lee.jones@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH AUTOSEL 5.5 099/542] mfd: max77650: Select REGMAP_IRQ in Kconfig

From: Bartosz Golaszewski <bgolaszewski@...libre.com>

[ Upstream commit cb7a374a5e7a5af3f8c839f74439193add6d0589 ]

MAX77650 MFD driver uses regmap_irq API but doesn't select the required
REGMAP_IRQ option in Kconfig. This can cause the following build error
if regmap irq is not enabled implicitly by someone else:

    ld: drivers/mfd/max77650.o: in function `max77650_i2c_probe':
    max77650.c:(.text+0xcb): undefined reference to `devm_regmap_add_irq_chip'
    ld: max77650.c:(.text+0xdb): undefined reference to `regmap_irq_get_domain'
    make: *** [Makefile:1079: vmlinux] Error 1

Fix it by adding the missing option.

Fixes: d0f60334500b ("mfd: Add new driver for MAX77650 PMIC")
Reported-by: Paul Gazzillo <paul@...zz.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/mfd/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 4209008521660..c366503c466dd 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -758,6 +758,7 @@ config MFD_MAX77650
 	depends on OF || COMPILE_TEST
 	select MFD_CORE
 	select REGMAP_I2C
+	select REGMAP_IRQ
 	help
 	  Say Y here to add support for Maxim Semiconductor MAX77650 and
 	  MAX77651 Power Management ICs. This is the core multifunction
-- 
2.20.1

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