On 01.09.2024 11:06, Wolfram Sang wrote: > Hi Heiner, > > On Wed, Aug 21, 2024 at 10:13:04PM +0200, Heiner Kallweit wrote: >> This code was added with 2bb5095affdb ("i2c: Provide compatibility links >> for i2c adapters"). Commit message stated: Provide compatibility links >> for [...] the time being. We will remove them after a long transition >> period. >> 15 years should have been a long enough transition period. > > Well, in general, I totally agree. > > It seems, however, that this slipped through the cracks. My Debian > kernelconfig has I2C_COMPAT still enabled, so I am reluctant to remove > it from one kernel release to the next. > > I wonder if we need some printout that it is really going away for a few > kernel releases. > I'm not aware of an option to only warn if the deprecated ABI is accessed by userspace. So we would have to warn every user if I2C_COMPAT is enabled. That's something Greg doesn't like. I see his point, but not sure how to do better. > Opinions? Jean? > > Happy hacking, > > Wolfram >