diff options
| author | Zhao Qiang <qiang.zhao@nxp.com> | 2017-03-14 09:38:33 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-03-13 21:53:48 -0700 |
| commit | 02bb56ddc6711639c549d81c7b9f6d845da243a9 (patch) | |
| tree | b9e2193d2a25c9c74fa6628c02836cd5f446eeee /drivers/net/wan/fsl_ucc_hdlc.c | |
| parent | c80498e36d4ef3e24599d363c622fbf22a1293cc (diff) | |
| download | blackbird-op-linux-02bb56ddc6711639c549d81c7b9f6d845da243a9.tar.gz blackbird-op-linux-02bb56ddc6711639c549d81c7b9f6d845da243a9.zip | |
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>
Diffstat (limited to 'drivers/net/wan/fsl_ucc_hdlc.c')
| -rw-r--r-- | drivers/net/wan/fsl_ucc_hdlc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c index a5045b5279d7..6742ae605660 100644 --- 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; |
