On Wed, Apr 19, 2023 at 04:27:33PM +0800, Jiawen Wu wrote: > Wangxun 10Gb ethernet chip is connected to Designware I2C, to communicate > with SFP. > > Add platform data to pass IOMEM base address, board flag and other > parameters, since resource address was mapped on ethernet driver. > > The exists IP limitations are dealt as workarounds: > - IP does not support interrupt mode, it works on polling mode. > - I2C cannot read continuously, only one byte can at a time. Are you really sure about that? It is a major limitation for SFP devices. It means you cannot access the diagnostics, since you need to perform an atomic 2 byte read. Or maybe i'm understanding you wrong. Andrew
