On Tue, Jul 23, 2013 at 10:37:05AM -0400, Alan Stern wrote: > On Tue, 23 Jul 2013, Tomasz Figa wrote: > > > > Okay. Are PHYs _always_ platform devices? > > > They can be i2c, spi or any other device types as well. > In those other cases, presumably there is no platform data associated > with the PHY since it isn't a platform device. Then how does the > kernel know which controller is attached to the PHY? Is this spelled > out in platform data associated with the PHY's i2c/spi/whatever parent? Platform data is nothing to do with the platform bus - it's board specific data (ie, data for the platform) and can be done with any device.
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