Re: [PATCH -next] platform/chrome: Fix Kconfig dependencies for wilco_ec

From: Randy Dunlap
Date: Wed Feb 20 2019 - 18:09:56 EST


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@xxxxxxxxxxxx>

Reported-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> # 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