Messages in this thread | | | From | Peter Chen <> | Subject | RE: [RFC] usb-phy-generic: Add support to SMSC USB3315 | Date | Fri, 9 Jun 2017 08:26:28 +0000 |
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> >I have a look at your patches (http://www.spinics.net/lists/linux-usb/msg157134.html) >and I wonder if power sequence is applicable only on hub node?
No, power sequence can be used for any devices which needs to carry out power on before probe.
> hub are probed too >late (after ci_ulpi_init). Do you think it is possible to read a power sequence in dts >from ci_ulpi_init? >
I think the suitable place for power sequence is at ulpi_of_register, some ULPI PHYs need to carry out power on before reading ID.
Peter
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