Re: [PATCH] net: fec: get regulator optional

From: Marcel Ziswiler
Date: Mon Jan 21 2019 - 10:37:19 EST


On Mon, 2019-01-21 at 15:58 +0100, Stefan Agner wrote:
> According to the device tree binding the phy-supply property is
> optional. Use the regulator_get_optional API accordingly. The
> code already handles NULL just fine.
>
> This gets rid of the following warning:
> fec 2188000.ethernet: 2188000.ethernet supply phy not found, using
> dummy regulator
>
> Signed-off-by: Stefan Agner <stefan@xxxxxxxx>

Reviewed-by: Marcel Ziswiler <marcel.ziswiler@xxxxxxxxxxx>

> ---
> drivers/net/ethernet/freescale/fec_main.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/freescale/fec_main.c
> b/drivers/net/ethernet/freescale/fec_main.c
> index 6db69ba30dcd..c8315d880c8c 100644
> --- a/drivers/net/ethernet/freescale/fec_main.c
> +++ b/drivers/net/ethernet/freescale/fec_main.c
> @@ -3479,7 +3479,7 @@ fec_probe(struct platform_device *pdev)
> if (ret)
> goto failed_clk_ipg;
>
> - fep->reg_phy = devm_regulator_get(&pdev->dev, "phy");
> + fep->reg_phy = devm_regulator_get_optional(&pdev->dev, "phy");
> if (!IS_ERR(fep->reg_phy)) {
> ret = regulator_enable(fep->reg_phy);
> if (ret) {