On Mon, 23 Jan 2023 14:02:51 +0200 Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote: > On Sun, Jan 22, 2023 at 05:24:41PM +0000, Jonathan Cameron wrote: > > On Wed, 18 Jan 2023 12:06:23 +0200 > > Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote: > > > > > The node name can contain an address part which is unused > > > by the driver. Moreover, this string is propagated into > > > the userspace label, sysfs filenames *and breaking ABI*. > > > > > > Cut the address part out before assigning the channel name. > > > > > > Fixes: 4f47a236a23d ("iio: adc: qcom-spmi-adc5: convert to device properties") > > > Reported-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx> > > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > > > > LGTM, but given it will have ABI impact, I'd like to hear from > > Andy, Bjorn or Konrad as maintainers and /or Dmitry as someone > > who has touched this driver fairly recently. > > Hmm... But this is to fix the ABI breakage. It means that the previous series > by Nuno had broken it. Absolutely agree. I plan to take the change. The risk that someone needs to fix up their use of the broken ABI makes it worth a little more shouting about than if we had caught it sooner. Jonathan > > > Mostly I want to be sure they know this exists before it causes surprise. >