Hi! On Tue, Feb 18, 2020 at 8:55 PM Mark Brown <broonie@xxxxxxxxxx> wrote: > This is an ABI break so you shouldn't be doing this, if the existing > binding works it should continue to work. The missing spi-max-frequency is the only part preventing old device tree to work with this driver. If the goal is to make existing dt binding work, I could patch dt using of_add_property in v2. I saw similar device tree patching for legacy bindings in pinctrl-single driver. > > > 3. removing the old driver. I'll create this commit after 1 and 2 are > > applied to avoid possible rebasing due to any changes in the old > > driver. > > This isn't great as it means we have a period with two drivers for the > same thing in tree which is at best going to be confusing. There's no > advantage to splitting this out. Got it. I'll add this patch in v2. -- Regards, Chuanhong Guo
