Commit 47325da2 authored by Ioana Ciornei's avatar Ioana Ciornei Committed by Jakub Kicinski
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dpaa2-eth: retry the probe when the MAC is not yet discovered on the bus 



The fsl_mc_get_endpoint() function now returns -EPROBE_DEFER when the
dpmac device was not yet discovered by the fsl-mc bus. When this
happens, pass the error code up so that we can retry the probe at a
later time.

Signed-off-by: default avatarIoana Ciornei <ioana.ciornei@nxp.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent ef57e6c9

drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c

+5 −1
Original line number Diff line number Diff line
@@ -4042,7 +4042,11 @@ static int dpaa2_eth_connect_mac(struct dpaa2_eth_priv *priv) 


	dpni_dev = to_fsl_mc_device(priv->net_dev->dev.parent);

	dpmac_dev = fsl_mc_get_endpoint(dpni_dev);

	if (IS_ERR_OR_NULL(dpmac_dev) || dpmac_dev->dev.type != &fsl_mc_bus_dpmac_type)



	if (PTR_ERR(dpmac_dev) == -EPROBE_DEFER)

		return PTR_ERR(dpmac_dev);



	if (IS_ERR(dpmac_dev) || dpmac_dev->dev.type != &fsl_mc_bus_dpmac_type)

		return 0;



	mac = kzalloc(sizeof(struct dpaa2_mac), GFP_KERNEL);