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ucc/hdlc: fix two little issue
1. modify bd_status from u32 to u16 in function hdlc_rx_done, because bd_status register is 16bits 2. write bd_length register before writing bd_status register Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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c80498e36d
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1 changed files with 2 additions and 2 deletions
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@ -381,8 +381,8 @@ static netdev_tx_t ucc_hdlc_tx(struct sk_buff *skb, struct net_device *dev)
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/* set bd status and length */
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bd_status = (bd_status & T_W_S) | T_R_S | T_I_S | T_L_S | T_TC_S;
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iowrite16be(bd_status, &bd->status);
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iowrite16be(skb->len, &bd->length);
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iowrite16be(bd_status, &bd->status);
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/* Move to next BD in the ring */
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if (!(bd_status & T_W_S))
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@ -457,7 +457,7 @@ static int hdlc_rx_done(struct ucc_hdlc_private *priv, int rx_work_limit)
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struct sk_buff *skb;
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hdlc_device *hdlc = dev_to_hdlc(dev);
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struct qe_bd *bd;
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u32 bd_status;
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u16 bd_status;
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u16 length, howmany = 0;
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u8 *bdbuffer;
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int i;
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