linux-kernel - Re: [PATCH] ipmi: ipmb: Fix build error while CONFIG

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Date:   Wed, 12 Jun 2019 07:21:11 -0500
From:   Corey Minyard <minyard@....org>
To:     YueHaibing <yuehaibing@...wei.com>
Cc:     arnd@...db.de, gregkh@...uxfoundation.org, Asmaa@...lanox.com,
        vadimp@...lanox.com, linux-kernel@...r.kernel.org,
        openipmi-developer@...ts.sourceforge.net
Subject: Re: [PATCH] ipmi: ipmb: Fix build error while CONFIG_I2C is set to m

On Wed, Jun 12, 2019 at 11:18:25AM +0800, YueHaibing wrote:
> If CONFIG_I2C is m and CONFIG_I2C_SLAVE is y,
> building with CONFIG_IPMB_DEVICE_INTERFACE setting to
> y will fail:

Ok, I have added this to my linux-next tree.

-corey

> 
> drivers/char/ipmi/ipmb_dev_int.o: In function `ipmb_remove':
> ipmb_dev_int.c: undefined reference to `i2c_slave_unregister'
> drivers/char/ipmi/ipmb_dev_int.o: In function `ipmb_write':
> ipmb_dev_int.c: undefined reference to `i2c_smbus_write_block_data'
> drivers/char/ipmi/ipmb_dev_int.o: In function `ipmb_probe':
> ipmb_dev_int.c: undefined reference to `i2c_slave_register'
> drivers/char/ipmi/ipmb_dev_int.o: In function `ipmb_driver_init':
> ipmb_dev_int.c: undefined reference to `i2c_register_driver'
> drivers/char/ipmi/ipmb_dev_int.o: In function `ipmb_driver_exit':
> ipmb_dev_int.c: undefined reference to `i2c_del_driver'
> 
> Add I2C Kconfig dependency to fix this.
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Fixes: 51bd6f291583 ("Add support for IPMB driver")
> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
> ---
>  drivers/char/ipmi/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/char/ipmi/Kconfig b/drivers/char/ipmi/Kconfig
> index 987191b..4bad061 100644
> --- a/drivers/char/ipmi/Kconfig
> +++ b/drivers/char/ipmi/Kconfig
> @@ -135,6 +135,7 @@ config ASPEED_BT_IPMI_BMC
>  
>  config IPMB_DEVICE_INTERFACE
>  	tristate 'IPMB Interface handler'
> +	depends on I2C
>  	depends on I2C_SLAVE
>  	help
>  	  Provides a driver for a device (Satellite MC) to
> -- 
> 2.7.4
> 
>