diff options
| -rw-r--r-- | drivers/net/zynq_gem.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index b05c752b17e..41883a44052 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -693,6 +693,7 @@ static int zynq_gem_send(struct udevice *dev, void *ptr, int len) { dma_addr_t addr; u32 size; + int ret; struct zynq_gem_priv *priv = dev_get_priv(dev); struct zynq_gem_regs *regs = priv->iobase; struct emac_bd *current_bd = &priv->tx_bd[1]; @@ -734,8 +735,13 @@ static int zynq_gem_send(struct udevice *dev, void *ptr, int len) if (priv->tx_bd->status & ZYNQ_GEM_TXBUF_EXHAUSTED) printf("TX buffers exhausted in mid frame\n"); - return wait_for_bit_le32(®s->txsr, ZYNQ_GEM_TSR_DONE, - true, 20000, true); + ret = wait_for_bit_le32(®s->txsr, ZYNQ_GEM_TSR_DONE, + true, 20000, true); + + /* Clear the transfer complete */ + setbits_le32(®s->txsr, ZYNQ_GEM_TSR_DONE); + + return ret; } /* Do not check frame_recd flag in rx_status register 0x20 - just poll BD */ |