Re: [PATCH net-next 5/6] net: stmmac: starfive: use stmmac_set_tx_clk_gmii()

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On Thu, Sep 14, 2023 at 02:51:40PM +0100, Russell King (Oracle) wrote:
> Use stmmac_set_tx_clk_gmii().
> 
> Signed-off-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>

Reviewed-by: Serge Semin <fancer.lancer@xxxxxxxxx>

-Serge(y)

> ---
>  .../ethernet/stmicro/stmmac/dwmac-starfive.c  | 28 +++++--------------
>  1 file changed, 7 insertions(+), 21 deletions(-)
> 
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c
> index 9289bb87c3e3..c2931464e977 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c
> @@ -27,29 +27,15 @@ struct starfive_dwmac {
>  static void starfive_dwmac_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode)
>  {
>  	struct starfive_dwmac *dwmac = priv;
> -	unsigned long rate;
>  	int err;
>  
> -	rate = clk_get_rate(dwmac->clk_tx);
> -
> -	switch (speed) {
> -	case SPEED_1000:
> -		rate = 125000000;
> -		break;
> -	case SPEED_100:
> -		rate = 25000000;
> -		break;
> -	case SPEED_10:
> -		rate = 2500000;
> -		break;
> -	default:
> -		dev_err(dwmac->dev, "invalid speed %u\n", speed);
> -		break;
> -	}
> -
> -	err = clk_set_rate(dwmac->clk_tx, rate);
> -	if (err)
> -		dev_err(dwmac->dev, "failed to set tx rate %lu\n", rate);
> +	err = stmmac_set_tx_clk_gmii(dwmac->clk_tx, speed);
> +	if (err == -ENOTSUPP)
> +		dev_err(dwmac->dev, "invalid speed %uMbps\n", speed);
> +	else if (err)
> +		dev_err(dwmac->dev,
> +			"failed to set tx rate for speed %uMbps: %pe\n",
> +			speed, ERR_PTR(err));
>  }
>  
>  static int starfive_dwmac_set_mode(struct plat_stmmacenet_data *plat_dat)
> -- 
> 2.30.2
> 
> 




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