dpaa2-mac: workaround for zero advertising on the MAC
commit ead765a527718bfb3b1cb6c673aa882b65afd095 from git://source.codeaurora.org/external/qoriq/qoriq-components/linux It seems there are some circumstances in the latest MC firmware versions where an empty advertising field is returned by the dpmac_get_link_cfg() command. This will eventually lead to the link not going up. Work around this issue by skipping PHY reconfiguration if this happens. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: Meng Li <Meng.Li@windriver.com>
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