net: systemport: wait for packet in umac_enable_set()
When umac_enable_set() is used to disable the UniMAC receiver or transmitter, we need to make sure that we wait for a full-sized packet to be processed because the UniMAC hardware stops on a packet boundary, not immediately. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1244,6 +1244,12 @@ static inline void umac_enable_set(struct bcm_sysport_priv *priv,
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else
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else
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reg &= ~(CMD_RX_EN | CMD_TX_EN);
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reg &= ~(CMD_RX_EN | CMD_TX_EN);
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umac_writel(priv, reg, UMAC_CMD);
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umac_writel(priv, reg, UMAC_CMD);
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/* UniMAC stops on a packet boundary, wait for a full-sized packet
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* to be processed (1 msec).
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*/
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if (enable == 0)
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usleep_range(1000, 2000);
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}
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}
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static inline int umac_reset(struct bcm_sysport_priv *priv)
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static inline int umac_reset(struct bcm_sysport_priv *priv)
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