From: Mike Looijmans <mike.looijmans@xxxxxxxx> Date: Mon, 26 Mar 2018 08:41:29 +0200 > It's common practice to store MAC addresses for network interfaces into > nvmem devices. However the code to actually do this in the kernel lacks, > so this patch adds of_get_nvmem_mac_address() for drivers to obtain the > address from an nvmem cell provider. > > This is particulary useful on devices where the ethernet interface cannot > be configured by the bootloader, for example because it's in an FPGA. > > Tested by adapting the cadence macb driver to call this instead of > of_get_mac_address(). > > Signed-off-by: Mike Looijmans <mike.looijmans@xxxxxxxx> > --- > v2: Use of_nvmem_cell_get to avoid needing the assiciated device > Use void* instead of char* > Add devicetree binding doc Like Andrew, I think you should add a new interface for getting the MAC address from nvmem. And drivers can call both of them if they want OF device tree and NVMEM probing for MAC addresses. Later you can add a consolidated interface, if necessary, which does both and also take a reference to the MAC address buffer of the driver in order to deal with the resource allocation issues. Thanks. -- 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
