linux-kernel - [PATCH] mfd: simple-mfd-i2c: Fix linker error due to new mfd-core dependency

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Date:   Wed,  3 Nov 2021 14:04:26 -0500
From:   Tyler Hicks <tyhicks@...ux.microsoft.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Alistair Francis <alistair@...stair23.me>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] mfd: simple-mfd-i2c: Fix linker error due to new mfd-core dependency

Select CONFIG_MFD_CORE from CONFIG_MFD_SIMPLE_MFD_I2C, now that
simple-mfd-i2c.c calls devm_mfd_add_devices(), to fix the following
linker error:

 ld: drivers/mfd/simple-mfd-i2c.o: in function `simple_mfd_i2c_probe':
 simple-mfd-i2c.c:(.text+0x62): undefined reference to `devm_mfd_add_devices'
 make: *** [Makefile:1187: vmlinux] Error 1

Fixes: c753ea31781a ("mfd: simple-mfd-i2c: Add support for registering devices via MFD cells")
Cc: stable@...r.kernel.org # 5.15.x
Signed-off-by: Tyler Hicks <tyhicks@...ux.microsoft.com>
---
 drivers/mfd/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index ca0edab91aeb..d2f345245538 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1194,6 +1194,7 @@ config MFD_SI476X_CORE
 config MFD_SIMPLE_MFD_I2C
 	tristate
 	depends on I2C
+	select MFD_CORE
 	select REGMAP_I2C
 	help
 	  This driver creates a single register map with the intention for it
-- 
2.25.1