If there is no incoming package than axiemac_recv will return -1 which in turn leads to printing `eth_rx: recv() returned error -1` error message in eth_rx function. But missing a package is not an fatal error, so return -EAGAIN in that case would be more suitable.
Signed-off-by: Maksim Kiselev bigunclemax@gmail.com --- drivers/net/xilinx_axi_emac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/xilinx_axi_emac.c b/drivers/net/xilinx_axi_emac.c index 3e9919993d..39cb3cc260 100644 --- a/drivers/net/xilinx_axi_emac.c +++ b/drivers/net/xilinx_axi_emac.c @@ -748,7 +748,7 @@ static int axiemac_recv(struct udevice *dev, int flags, uchar **packetp)
/* Wait for an incoming packet */ if (!isrxready(priv)) - return -1; + return -EAGAIN;
debug("axiemac: RX data ready\n");