linux-kernel - [PATCHv2 4/4] extcon: sm5502: Add I2C dependency to fix build break

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Date:	Thu, 14 Aug 2014 09:21:00 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	linux-kernel@...r.kernel.org
Cc:	myungjoo.ham@...sung.com, kyungmin.park@...sung.com,
	Chanwoo Choi <cw00.choi@...sung.com>
Subject: [PATCHv2 4/4] extcon: sm5502: Add I2C dependency to fix build break

This patch add I2C configuration dependency to fix following build break.
If specific kernel build I2C as module, extcon-sm5502 have to depend on
I2C configuration.

	drivers/built-in.o: In function `regmap_smbus_byte_reg_read':
	regmap-i2c.c:(.text+0x5030a): undefined reference to `i2c_smbus_read_byte_data'
	drivers/built-in.o: In function `regmap_smbus_byte_reg_write':
	regmap-i2c.c:(.text+0x50338): undefined reference to `i2c_smbus_write_byte_data'
	drivers/built-in.o: In function `regmap_smbus_word_reg_read':
	regmap-i2c.c:(.text+0x50356): undefined reference to `i2c_smbus_read_word_data'
	drivers/built-in.o: In function `regmap_smbus_word_reg_write':
	regmap-i2c.c:(.text+0x50384): undefined reference to `i2c_smbus_write_word_data'
	drivers/built-in.o: In function `regmap_i2c_read':
	regmap-i2c.c:(.text+0x503cf): undefined reference to `i2c_transfer'
	drivers/built-in.o: In function `regmap_i2c_gather_write':
	regmap-i2c.c:(.text+0x50442): undefined reference to `i2c_transfer'
	drivers/built-in.o: In function `regmap_i2c_write':
	regmap-i2c.c:(.text+0x50474): undefined reference to `i2c_master_send'
	drivers/built-in.o: In function `sm5502_muic_i2c_init':
	extcon-sm5502.c:(.init.text+0x6630): undefined reference to `i2c_register_driver'

Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
---
 drivers/extcon/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
index 6f2f472..764f3a1 100644
--- a/drivers/extcon/Kconfig
+++ b/drivers/extcon/Kconfig
@@ -72,6 +72,7 @@ config EXTCON_PALMAS
 
 config EXTCON_SM5502
 	tristate "SM5502 EXTCON support"
+	depends on I2C
 	select IRQ_DOMAIN
 	select REGMAP_I2C
 	select REGMAP_IRQ
-- 
1.8.0

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