> +#define GMAC_TX_RATE_125M 125000000 /* 125MHz */ > +#define GMAC_TX_RATE_25M 25000000 /* 25MHz */ > +#define GMAC_TX_RATE_2M5 2500000 /* 2.5MHz */ With the swap to the new helper, i think 25M and 2M5 are no longer needed. > +static int s32_gmac_init(struct platform_device *pdev, void *priv) > +{ > + struct s32_priv_data *gmac = priv; > + int ret; > + > + ret = clk_set_rate(gmac->tx_clk, GMAC_TX_RATE_125M); > + if (!ret) > + ret = clk_prepare_enable(gmac->tx_clk); > + > + if (ret) { > + dev_err(&pdev->dev, "Can't set tx clock\n"); > + return ret; > + } > + > + ret = clk_prepare_enable(gmac->rx_clk); > + if (ret) > + dev_dbg(&pdev->dev, "Can't set rx, clock source is disabled.\n"); > + else > + gmac->rx_clk_enabled = true; Why would this fail? And if it does fail, why is it not fatal? Maybe a comment here. > +static void s32_fix_mac_speed(void *priv, unsigned int speed, unsigned int mode) > +{ > + struct s32_priv_data *gmac = priv; > + long tx_clk_rate; > + int ret; > + > + if (!gmac->rx_clk_enabled) { > + ret = clk_prepare_enable(gmac->rx_clk); > + if (ret) { > + dev_err(gmac->dev, "Can't set rx clock\n"); dev_err(), so is failing now fatal, but since this is a void function, you cannot report the error up the call stack? Andrew