linux-kernel - Re: [PATCH] arm64: configs: Enable GPIO

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Date:   Tue, 11 Jun 2019 21:19:28 +0300
From:   Tero Kristo <t-kristo@...com>
To:     Keerthy <j-keerthy@...com>, <will.deacon@....com>,
        <catalin.marinas@....com>, <shawnguo@...nel.org>
CC:     <lokeshvutla@...com>, <nm@...com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: configs: Enable GPIO_DAVINCI

On 05/06/2019 09:14, Keerthy wrote:
> Enable GPIO_DAVINCI and related configs for TI K3 AM6 platforms.
> 
> Signed-off-by: Keerthy <j-keerthy@...com>
> ---
>   arch/arm64/configs/defconfig | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index d1b72f99e2f4..57d7a4c207bd 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -385,6 +385,9 @@ CONFIG_PINCTRL_QCS404=y
>   CONFIG_PINCTRL_QDF2XXX=y
>   CONFIG_PINCTRL_QCOM_SPMI_PMIC=y
>   CONFIG_PINCTRL_SDM845=y
> +CONFIG_DEBUG_GPIO=y

Why DEBUG_GPIO?

> +CONFIG_GPIO_SYSFS=y

Also, why GPIO_SYSFS?

Both of the above are nice for debugging purposes, but should not be 
enabled by default imho, as they are not needed by drivers.

> +CONFIG_GPIO_DAVINCI=y

I think you should not modify defconfig, rather add these as platform 
required features under arch/arm64/Kconfig.platforms?

-Tero

>   CONFIG_GPIO_DWAPB=y
>   CONFIG_GPIO_MB86S7X=y
>   CONFIG_GPIO_PL061=y
> 

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