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>

diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index a5045b5..6742ae6 100644 (file)
--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -381,8 +381,8 @@ static netdev_tx_t ucc_hdlc_tx(struct sk_buff *skb, struct net_device *dev)
        /* set bd status and length */
        bd_status = (bd_status & T_W_S) | T_R_S | T_I_S | T_L_S | T_TC_S;
 
-       iowrite16be(bd_status, &bd->status);
        iowrite16be(skb->len, &bd->length);
+       iowrite16be(bd_status, &bd->status);
 
        /* Move to next BD in the ring */
        if (!(bd_status & T_W_S))
@@ -457,7 +457,7 @@ static int hdlc_rx_done(struct ucc_hdlc_private *priv, int rx_work_limit)
        struct sk_buff *skb;
        hdlc_device *hdlc = dev_to_hdlc(dev);
        struct qe_bd *bd;
-       u32 bd_status;
+       u16 bd_status;
        u16 length, howmany = 0;
        u8 *bdbuffer;
        int i;