Hi David, On Wednesday 06 of November 2013 13:03:45 David Laight wrote: > > > I just did a diff of registers in exynos 4210 and 4212 PHY drivers [1] > > > and couldn't find that big a difference in register layout. Of course > > > there are a few changes in HSIC bit fields and PHYFSEL but that's only > > > minimal and could well be handled in a single driver. > > > > > > [1] -> http://diffchecker.com/py3tp68m > > > > This is quite a lot of differences, especially including shifted > > bitfields... In addition there is another set of available PHYs > > and inter-dependencies between them. > > Might be worth feeding both files through "sed -e 's/_421[02]_/_421x_/'" > prior to doing the diff. > And maybe changing the order of some definitions so they match. > Then the actual differences will be more obvious. I have fed it already through my built-in sed when reading. Still despite many similarities, I think there is enough difference to justify having different callback functions for both, especially based on my experience with the old Exynos USB2 PHY driver in drivers/usb/phy, when trying to make it more complete. Best regards, Tomasz -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html