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authorZhao Qiang <qiang.zhao@nxp.com>2017-03-14 09:38:33 +0800
committerDavid S. Miller <davem@davemloft.net>2017-03-13 21:53:48 -0700
commit02bb56ddc6711639c549d81c7b9f6d845da243a9 (patch)
treeb9e2193d2a25c9c74fa6628c02836cd5f446eeee /drivers/net/wan
parentc80498e36d4ef3e24599d363c622fbf22a1293cc (diff)
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')
-rw-r--r--drivers/net/wan/fsl_ucc_hdlc.c4
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;