Fri, Jan 29, 2021 at 06:31:59PM CET, and...@lunn.ch wrote: >> Platform line card driver is aware of line card I2C topology, its >> responsibility is to detect line card basic hardware type, create I2C >> topology (mux), connect all the necessary I2C devices, like hotswap >> devices, voltage and power regulators devices, iio/a2d devices and line >> card EEPROMs, creates LED instances for LED located on a line card, exposes >> line card related attributes, like CPLD and FPGA versions, reset causes, >> required powered through line card hwmon interface. > >So this driver, and the switch driver need to talk to each other, so >the switch driver actually knows what, if anything, is in the slot.
Not possible in case the BMC is a different host, which is common scenario.