Re: [PATCH] iio: core: Avoid BUG() on invalid clock types

[Andy Shevchenko]

On Mon, Aug 24, 2026 at 12:05:03PM +0200, Joshua Crofts wrote:
> On Mon, 24 Aug 2026 12:55:47 +0300
> Andy Shevchenko <andriy.shevchenko@xxxxxxxxx> wrote:
> 
> > On Sun, Aug 23, 2026 at 10:25:02PM +0000, Rishab Madhugiri wrote:
> > > Replace deprecated use of BUG() in default switch cases of
> > > iio_get_time_ns() and current_timestamp_clock_show() with
> > > WARN_ONCE() and return correct fallback or error codes.  
> > 
> > Why?!
> 
> Because BUG() and BUG_ON() shouldn't be used anymore, no? Linus himself
> said that he hates the macros.

Why? Please, study the case. As for the above change, there are two questions
(at least):
- Why BUG() is deprecated? Where is it stated?
- What will WARN*() gain us here? (Note some specific kernel command line
  parameter that may convert WARN to BUG)

-- 
With Best Regards,
Andy Shevchenko