On Tue, Jun 18, 2013 at 11:22:41AM -0600, Stephen Warren wrote: > If the device was instantiated from a board file *or* a device tree, > i2c->irq is correctly set. Hence, checking that value works in both cases. The same thing will happen with any other firmware interface that gets introduced in the future - one of the goals with factoring all this out into the bus code is that it means the driver doesn't need to have any special handling. > If you check the interrupts DT property, that will only work if the > device was instantiated from device tree, and not if it was instantiated > from a board file; the property will never exist in the board file case, > and hence you'll never be able to have a board file provide an interrupt. Exactly.
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