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Am Montag, 5. Juni 2006 16:32 schrieb David Brownell: > On Saturday 03 June 2006 2:29 am, Oliver Neukum wrote: > > If that does the job we need to somehow inherit the power supply maximum from > > PCI when we allocate the root hub's device structure. > > I don't think there is such a convention that's generic for PCI. There might > be ACPI-specific tables holding that value, but on embedded hardware the model > is often that the arch/.../board-ZZZ.c file just "knows" things like how much > power the regulator powering that port can provide, and arranges bus_mA to match. > Just like it knows all sorts of other details about how that board works. Yes, I am afraid it cannot be done on the fly. But we might use a symbolic define which a subarch can override instead of a literal "500". If it turns out that this problem is one of power and not some other deficiency of this system's root hub. Regards Oliver - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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