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Date:   Wed, 20 Feb 2019 15:09:36 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Nick Crews <ncrews@...omium.org>, bleung@...omium.org,
        enric.balletbo@...labora.com
Cc:     linux-kernel@...r.kernel.org, dlaurie@...omium.org,
        sfr@...b.auug.org.au
Subject: Re: [PATCH -next] platform/chrome: Fix Kconfig dependencies for
 wilco_ec

On 2/20/19 2:11 PM, Nick Crews wrote:
> In the initial version of the Wilco EC Driver, the
> dependency order was wrong. It before was possible to
> select CONFIG_WILCO_EC and CONFIG_CROS_EC_LPC without
> having CONFIG_CROS_EC_LPC_MEC. This was wrong, since
> WILCO_EC depends upon CONFIG CROS_EC_LPC_MEC, not the
> other way around.
> 
> Fixes: 1733c32834e5d1 ("platform/chrome: Add new driver for Wilco EC")
> Signed-off-by: Nick Crews <ncrews@...omium.org>

Reported-by: Randy Dunlap <rdunlap@...radead.org>
Acked-by: Randy Dunlap <rdunlap@...radead.org> # build-tested

Thanks.

> ---
>  drivers/platform/chrome/Kconfig          | 2 +-
>  drivers/platform/chrome/wilco_ec/Kconfig | 3 +--
>  2 files changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/platform/chrome/Kconfig b/drivers/platform/chrome/Kconfig
> index 462eb9dfa4f2..b69561050868 100644
> --- a/drivers/platform/chrome/Kconfig
> +++ b/drivers/platform/chrome/Kconfig
> @@ -95,7 +95,7 @@ config CROS_EC_LPC
>  
>  config CROS_EC_LPC_MEC
>  	bool "ChromeOS Embedded Controller LPC Microchip EC (MEC) variant"
> -	depends on CROS_EC_LPC || WILCO_EC
> +	depends on CROS_EC_LPC
>  	default n
>  	help
>  	  If you say Y here, a variant LPC protocol for the Microchip EC
> diff --git a/drivers/platform/chrome/wilco_ec/Kconfig b/drivers/platform/chrome/wilco_ec/Kconfig
> index 20945a301ec6..c6bc4e8f3062 100644
> --- a/drivers/platform/chrome/wilco_ec/Kconfig
> +++ b/drivers/platform/chrome/wilco_ec/Kconfig
> @@ -1,7 +1,6 @@
>  config WILCO_EC
>  	tristate "ChromeOS Wilco Embedded Controller"
> -	depends on ACPI && X86
> -	select CROS_EC_LPC_MEC
> +	depends on ACPI && X86 && CROS_EC_LPC_MEC
>  	help
>  	  If you say Y here, you get support for talking to the ChromeOS
>  	  Wilco EC over an eSPI bus. This uses a simple byte-level protocol
> 


-- 
~Randy

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