[PATCH net-next] net: dwmac-rk: No need to check the return value of phy_power_on()
Simon Horman
horms at kernel.org
Thu Oct 16 05:36:48 PDT 2025
On Tue, Oct 14, 2025 at 10:14:46PM -0700, Lizhe wrote:
> 'phy_power_on' is a local scope one within the driver, since the
> return value of the phy_power_on() function is always 0, checking
> its return value is redundant.
>
> the function name 'phy_power_on()' conflicts with the existing
> phy_power_on() function in the PHY subsystem. a suitable alternative
> name would be rk_phy_power_set(), particularly since when the
> second argument is false, this function actually powers off the PHY
This is two changes. I would lean towards splitting it into
two patches (in a single patch-set).
>
> Signed-off-by: Lizhe <sensor1010 at 163.com>
Also, in future, please wait 24h between posting revisions of a patchset.
And note revisions in the subject, like this:
Subject: [PATCH net-next v2] ...
https://docs.kernel.org/process/maintainer-netdev.html
> ---
> .../net/ethernet/stmicro/stmmac/dwmac-rk.c | 19 +++++--------------
> 1 file changed, 5 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
> index 51ea0caf16c1..ac3324430b2d 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
> @@ -1461,23 +1461,18 @@ static int gmac_clk_enable(struct rk_priv_data *bsp_priv, bool enable)
> return 0;
> }
>
> -static int phy_power_on(struct rk_priv_data *bsp_priv, bool enable)
> +static void rk_phy_power_set(struct rk_priv_data *bsp_priv, bool enable)
> {
> struct regulator *ldo = bsp_priv->regulator;
> struct device *dev = bsp_priv->dev;
> - int ret;
>
> if (enable) {
> - ret = regulator_enable(ldo);
> - if (ret)
> + if (regulator_enable(ldo))
> dev_err(dev, "fail to enable phy-supply\n");
> } else {
> - ret = regulator_disable(ldo);
> - if (ret)
> + if (regulator_disable(ldo))
> dev_err(dev, "fail to disable phy-supply\n");
The 'ret' changes above don't relate to the patch description.
I'd leave this be. But if you really want to go this way
I think it would be a separate patch.
> }
> -
> - return 0;
> }
>
> static struct rk_priv_data *rk_gmac_setup(struct platform_device *pdev,
--
pw-bot: changes-requested
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