linux-kernel - Re: mmotm 2009-11-24-16-47 uploaded (gpio

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Message-ID: <20091128162117.GA9663@pengutronix.de>
Date:	Sat, 28 Nov 2009 17:21:17 +0100
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: mmotm 2009-11-24-16-47 uploaded (gpio_max7301)


> This driver has build failures when CONFIG_I2C=m and
> MAX7301=y, MAX7301_I2C=y, MAX7301_SPI=y:
> 
> drivers/built-in.o: In function `max7301_i2c_write':
> max7301.c:(.text+0x2d9e): undefined reference to `i2c_smbus_write_byte_data'
> drivers/built-in.o: In function `max7301_i2c_read':
> max7301.c:(.text+0x2dc6): undefined reference to `i2c_smbus_read_byte_data'
> drivers/built-in.o: In function `max7301_init':
> max7301.c:(.init.text+0x42e): undefined reference to `i2c_register_driver'
> max7301.c:(.init.text+0x496): undefined reference to `i2c_del_driver'
> drivers/built-in.o: In function `max7301_exit':
> max7301.c:(.exit.text+0x14): undefined reference to `i2c_del_driver'
> 
> 
> This kconfig syntax:
> 
> config GPIO_MAX7301
>         tristate "Maxim MAX730x GPIO expander"
>         depends on I2C || SPI_MASTER
> 
> allows GPIO_MAX7301 to be y when SPI_MASTER=y and I2C=m.
> If you want to do that, you'll need to handle CONFIG_I2C=m somehow.

ACK, will fix it.

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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