davinci_mdio初始化报错

大鹅

1. <p>[   10.662739] pruss 4b200000.pruss: creating PRU cores and other child platform devices</p><p>[   10.691352] pruss 4b280000.pruss: creating PRU cores and other child platform devices</p><p>[   10.804061] davinci_mdio 4b2b2400.mdio: davinci mdio revision 1.6, bus freq 1000000</p><p>[   10.804068] libphy: 4b2b2400.mdio: probed</p><p>[   10.804667] <font color="#ff0000">davinci_mdio: probe of 4b2b2400.mdio failed with error -5</font></p><p>[   10.813144] remoteproc remoteproc4: 4b234000.pru is available</p><p>[   10.813274] pru-rproc 4b234000.pru: PRU rproc node /ocp/pruss_soc_bus@4b226004/pruss@0/pru@34000 probed successfully</p><p>[   10.819270] remoteproc remoteproc5: 4b238000.pru is available</p><p>[   10.819419] pru-rproc 4b238000.pru: PRU rproc node /ocp/pruss_soc_bus@4b226004/pruss@0/pru@38000 probed successfully</p><p>[   10.820064] remoteproc remoteproc6: 4b2b4000.pru is available</p><p>[   10.820195] pru-rproc 4b2b4000.pru: PRU rproc node /ocp/pruss_soc_bus@4b2a6004/pruss@0/pru@34000 probed successfully</p><p>[   10.820605] remoteproc remoteproc7: 4b2b8000.pru is available</p><p>[   10.820725] pru-rproc 4b2b8000.pru: PRU rproc node /ocp/pruss_soc_bus@4b2a6004/pruss@0/pru@38000 probed successfully</p><p>[   10.837581] prueth pruss2_eth: port 2: using random MAC addr: 46:70:20:43:87:9f</p>

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如上打印信息，mdio初始化时候报-5的错，想知道是因为什么

大鹅

[   10.662739] pruss 4b200000.pruss: creating PRU cores and other child platform devices
[   10.691352] pruss 4b280000.pruss: creating PRU cores and other child platform devices
[   10.804061] davinci_mdio 4b2b2400.mdio: davinci mdio revision 1.6, bus freq 1000000
[   10.804068] libphy: 4b2b2400.mdio: probed
[   10.804667] davinci_mdio: probe of 4b2b2400.mdio failed with error -5
[   10.813144] remoteproc remoteproc4: 4b234000.pru is available
[   10.813274] pru-rproc 4b234000.pru: PRU rproc node /ocp/pruss_soc_bus@4b226004/pruss@0/pru@34000 probed successfully
[   10.819270] remoteproc remoteproc5: 4b238000.pru is available
[   10.819419] pru-rproc 4b238000.pru: PRU rproc node /ocp/pruss_soc_bus@4b226004/pruss@0/pru@38000 probed successfully
[   10.820064] remoteproc remoteproc6: 4b2b4000.pru is available
[   10.820195] pru-rproc 4b2b4000.pru: PRU rproc node /ocp/pruss_soc_bus@4b2a6004/pruss@0/pru@34000 probed successfully
[   10.820605] remoteproc remoteproc7: 4b2b8000.pru is available
[   10.820725] pru-rproc 4b2b8000.pru: PRU rproc node /ocp/pruss_soc_bus@4b2a6004/pruss@0/pru@38000 probed successfully
[   10.837581] prueth pruss2_eth: port 2: using random MAC addr: 46:70:20:43:87:9f