linux-kernel - Re: [PATCH v2] phy: ti: gmii-sel: Allow parent to not be syscon node

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Date:   Fri, 14 Jul 2023 11:41:06 +0530
From:   Siddharth Vadapalli <s-vadapalli@...com>
To:     Andrew Davis <afd@...com>, Vinod Koul <vkoul@...nel.org>
CC:     Kishon Vijay Abraham I <kishon@...nel.org>,
        Roger Quadros <rogerq@...nel.org>,
        <linux-phy@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <s-vadapalli@...com>
Subject: Re: [PATCH v2] phy: ti: gmii-sel: Allow parent to not be syscon node



On 14/07/23 01:39, Andrew Davis wrote:
> If the parent node is not a syscon type, then fallback and check
> if we can get a regmap from our own node. This no longer forces
> us to make the parent of this node a syscon node when that might
> not be appropriate.
> 
> Signed-off-by: Andrew Davis <afd@...com>

Reviewed-by: Siddharth Vadapalli <s-vadapalli@...com>

> ---
> 
> Changes from v1:
>  - Rebased on v6.5-rc1
> 
>  drivers/phy/ti/phy-gmii-sel.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/phy/ti/phy-gmii-sel.c b/drivers/phy/ti/phy-gmii-sel.c
> index 6286cf25a4264..555b323f45da1 100644
> --- a/drivers/phy/ti/phy-gmii-sel.c
> +++ b/drivers/phy/ti/phy-gmii-sel.c
> @@ -465,9 +465,12 @@ static int phy_gmii_sel_probe(struct platform_device *pdev)
>  
>  	priv->regmap = syscon_node_to_regmap(node->parent);
>  	if (IS_ERR(priv->regmap)) {
> -		ret = PTR_ERR(priv->regmap);
> -		dev_err(dev, "Failed to get syscon %d\n", ret);
> -		return ret;
> +		priv->regmap = device_node_to_regmap(node);
> +		if (IS_ERR(priv->regmap)) {
> +			ret = PTR_ERR(priv->regmap);
> +			dev_err(dev, "Failed to get syscon %d\n", ret);
> +			return ret;
> +		}
>  	}
>  
>  	ret = phy_gmii_sel_init_ports(priv);

-- 
Regards,
Siddharth.