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ab933d8026
At present when driver model needs to change a device it simply updates the struct udevice structure. But with of-platdata-inst most of the fields are not modified at runtime. In fact, typically only the flags need to change. For systems running SPL from read-only memory it is convenient to separate out the runtime information, so that the devices don't need to be copied before being used. Create a new udevice_rt table, similar to the existing driver_rt. For now it just holds the flags, although they are not used in this patch. Add a new Kconfig for the driver_rt data, since this is not needed when of-platdata-inst is used. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>