On Thu, Sep 14, 2023 at 02:51:30PM +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)
> ---
> .../stmicro/stmmac/dwmac-intel-plat.c | 34 +++++--------------
> 1 file changed, 8 insertions(+), 26 deletions(-)
>
> diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c
> index d352a14f9d48..c6ebd1d91f38 100644
> --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c
> +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel-plat.c
> @@ -31,32 +31,14 @@ struct intel_dwmac_data {
> static void kmb_eth_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode)
> {
> struct intel_dwmac *dwmac = priv;
> - unsigned long rate;
> - int ret;
> -
> - rate = clk_get_rate(dwmac->tx_clk);
> -
> - 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\n");
> - break;
> - }
> -
> - ret = clk_set_rate(dwmac->tx_clk, rate);
> - if (ret)
> - dev_err(dwmac->dev, "Failed to configure tx clock rate\n");
> + int err;
> +
> + err = stmmac_set_tx_clk_gmii(dwmac->tx_clk, 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 const struct intel_dwmac_data kmb_data = {
> --
> 2.30.2
>
>
