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Commit d72ba76b authored by Karthik Rudrapatna's avatar Karthik Rudrapatna Committed by Sunil Paidimarri
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net : stmmac: rgmii clock was not setting to low 



On Link down event the rgmii clock is not setting to low speed.
Rgmii clock should change to 50Mhz when Link down event
is received.

Change-Id: I62da6683642ee5625aadc793bb8ea72e37e60b37
Signed-off-by: default avatarKarthik Rudrapatna <krudrapa@codeaurora.org>
parent e7fd5242

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

+9 −2
Original line number Diff line number Diff line
@@ -295,8 +295,14 @@ static inline u32 stmmac_rx_dirty(struct stmmac_priv *priv, u32 queue) 
 */

static inline void stmmac_hw_fix_mac_speed(struct stmmac_priv *priv)

{

	if (likely(priv->plat->fix_mac_speed))

		priv->plat->fix_mac_speed(priv->plat->bsp_priv, priv->speed);

	if (likely(priv->plat->fix_mac_speed)) {

		if (priv->phydev->link)

			priv->plat->fix_mac_speed(priv->plat->bsp_priv,

						  priv->speed);

		else

			priv->plat->fix_mac_speed(priv->plat->bsp_priv,

						  SPEED_10);

	}

}



/**
@@ -854,6 +860,7 @@ static void stmmac_adjust_link(struct net_device *dev) 
			priv->oldlink = true;

		}

	} else if (priv->oldlink) {

		stmmac_hw_fix_mac_speed(priv);

		new_state = true;

		priv->oldlink = false;

		priv->speed = SPEED_UNKNOWN;