On Thu, Jan 16, 2014 at 1:46 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote: > On Thursday 16 January 2014 09:15:17 Olof Johansson wrote: >> >> > b) We need to add a way to attach a device_node to an sdio_func, >> > so that a function driver can find additional DT properties. >> > This part should be relatively simple once (a) is done and >> > should only need a little code but no new binding. The code >> > would be similar to what we do for amba, i2c or spi devices. >> >> This isn't actually needed for this functionality, but might be needed >> for other things... >> > > There is at least one sdio driver (cw1200) that needs to get > a MAC address from DT and has the same kind of hack that > you mention to work around it at the moment (actually worse, > it's not even using auxdata). The MAC address is certainly > a property of the device, not the host. This is of course > the same problem that we have on various development boards > with USB ethernet controllers lacking an EEPROM. Yeah, definitely overlap with the on-board usb ethernet adapters where the vendor hasn't bothered with an eeprom. > Getting the device to probe in the first place is more important, > and this is a much simpler problem though. Yes, agreed -- both needs solving but they're separate issues. -Olof -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
