Re: [PATCH] pinctrl: pinctrl-zynq: Add warning for not to use 'io-standard'

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On 8/18/21 7:53 AM, Sai Krishna Potthuri wrote:
> This patch add warning message saying 'io-standard' property is deprecated
> and instead use 'power-source' property for configuring power supplies.
> This gives an indication for Zynq pinctrl users to migrate to use
> 'power-source' property.
> 
> Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xxxxxxxxxx>
> ---
>  drivers/pinctrl/pinctrl-zynq.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/pinctrl/pinctrl-zynq.c b/drivers/pinctrl/pinctrl-zynq.c
> index a96af8a..5b269b6 100644
> --- a/drivers/pinctrl/pinctrl-zynq.c
> +++ b/drivers/pinctrl/pinctrl-zynq.c
> @@ -1028,6 +1028,8 @@ static int zynq_pinconf_cfg_get(struct pinctrl_dev *pctldev,
>  		break;
>  	}
>  	case PIN_CONFIG_IOSTANDARD:
> +		dev_warn(pctldev->dev, "io-standard is deprecated, please use power-source");
> +		fallthrough;
>  	case PIN_CONFIG_POWER_SOURCE:
>  		arg = zynq_pinconf_iostd_get(reg);
>  		break;
> @@ -1079,6 +1081,8 @@ static int zynq_pinconf_cfg_set(struct pinctrl_dev *pctldev,
>  
>  			break;
>  		case PIN_CONFIG_IOSTANDARD:
> +			dev_warn(pctldev->dev, "io-standard is deprecated, please use power-source");
> +			fallthrough;
>  		case PIN_CONFIG_POWER_SOURCE:
>  			if (arg <= zynq_iostd_min || arg >= zynq_iostd_max) {
>  				dev_warn(pctldev->dev,
> 


Acked-by: Michal Simek <michal.simek@xxxxxxxxxx>

Linus: would be good to know how long we should keep the support for
this deprecated dt property.

Thanks,
Michal



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