dpaa2-mac: return -EPROBE_DEFER from dpaa2_mac_open in case the fwnode is not set

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We could get into a situation when the fwnode of the parent device is
not yet set because its probe didn't yet finish. When this happens, any
caller of the dpaa2_mac_open() will not have the fwnode available, thus
cause problems at the PHY connect time.

Avoid this by just returning -EPROBE_DEFER from the dpaa2_mac_open when
this happens.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Ioana Ciornei 2022-01-06 15:59:04 +02:00 • committed by Jakub Kicinski

parent 5b1e38c079

commit 4e30e98c4b

1 changed files with 14 additions and 1 deletions

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

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