stmmac: never check EEE in case of a switch is attached (56b88c25) · Commits · 戴 / test

This patch is to skip the EEE initialisation when the stmmac is using a switch (with a fixed phy support). Signed-off-by:

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -275,6 +275,7 @@ static void stmmac_eee_ctrl_timer(unsigned long arg)
		*/
		bool stmmac_eee_init(struct stmmac_priv *priv)
		{
		char *phy_bus_name = priv->plat->phy_bus_name;
		bool ret = false;

		/* Using PCS we cannot dial with the phy registers at this stage
		@@ -284,6 +285,10 @@ bool stmmac_eee_init(struct stmmac_priv *priv)
		(priv->pcs == STMMAC_PCS_RTBI))
		goto out;

		/* Never init EEE in case of a switch is attached */
		if (phy_bus_name && (!strcmp(phy_bus_name, "fixed")))
		goto out;

		/* MAC core supports the EEE feature. */
		if (priv->dma_cap.eee) {
		int tx_lpi_timer = priv->tx_lpi_timer;