linux-kernel - Re: [PATCH] platform/x86: INT33FE: add i2c dependency

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Date:   Fri, 21 Apr 2017 09:19:10 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Tobias Regnery <tobias.regnery@...il.com>, dvhart@...radead.org,
        andy@...radead.org, platform-driver-x86@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] platform/x86: INT33FE: add i2c dependency

Hi,

On 20-04-17 14:51, Tobias Regnery wrote:
> With CONFIG_I2C=m and CONFIG_INTEL_CHT_INT33FE=y we see the following link
> errors:
> 
> drivers/built-in.o: In function 'cht_int33fe_remove':
> intel_cht_int33fe.c:(.text+0x391f6e): undefined reference to 'i2c_unregister_device'
> intel_cht_int33fe.c:(.text+0x391f76): undefined reference to 'i2c_unregister_device'
> intel_cht_int33fe.c:(.text+0x391f7d): undefined reference to 'i2c_unregister_device'
> drivers/built-in.o: In function 'cht_int33fe_probe':
> intel_cht_int33fe.c:(.text+0x392147): undefined reference to 'i2c_acpi_new_device'
> intel_cht_int33fe.c:(.text+0x392185): undefined reference to 'i2c_acpi_new_device'
> intel_cht_int33fe.c:(.text+0x3921bd): undefined reference to 'i2c_acpi_new_device'
> intel_cht_int33fe.c:(.text+0x3921d9): undefined reference to 'i2c_unregister_device'
> intel_cht_int33fe.c:(.text+0x3921e8): undefined reference to 'i2c_unregister_device'
> drivers/built-in.o: In function 'cht_int33fe_driver_init':
> intel_cht_int33fe.c:(.init.text+0x2386d): undefined reference to 'i2c_register_driver'
> drivers/built-in.o: In function 'cht_int33fe_driver_exit':
> intel_cht_int33fe.c:(.exit.text+0x206e): undefined reference to 'i2c_del_driver'
> 
> Fix this by adding a kconfig dependency on the I2C subsystem.
> 
> Fixes: 1cd706df8a9c ("platform/x86: Add Intel Cherry Trail ACPI INT33FE device driver")
> Signed-off-by: Tobias Regnery <tobias.regnery@...il.com>

Thank you for catching this:

Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Regards,

Hans


> ---
>   drivers/platform/x86/Kconfig | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
> index 6b33db6c9d22..ea264fefb845 100644
> --- a/drivers/platform/x86/Kconfig
> +++ b/drivers/platform/x86/Kconfig
> @@ -783,7 +783,7 @@ config ACPI_CMPC
>   
>   config INTEL_CHT_INT33FE
>   	tristate "Intel Cherry Trail ACPI INT33FE Driver"
> -	depends on X86 && ACPI
> +	depends on X86 && ACPI && I2C
>   	---help---
>   	  This driver add support for the INT33FE ACPI device found on
>   	  some Intel Cherry Trail devices.
>