Re: [PATCH] iio: adc: ad7793: replace usleep_range() with fsleep()

[Andy Shevchenko]

On Mon, May 11, 2026 at 10:30:43AM +0500, Stepan Ionichev wrote:
> The AD7792/AD7793 datasheet (Rev. B, page 25, RESET section)
> says: "When a reset is initiated, the user must allow a period
> of 500 us before accessing any of the on-chip registers."
> 
> Use fsleep(500) instead of usleep_range(500, 2000). The 500 us
> minimum stays the same; fsleep() picks the upper slack itself
> (about +25% on a default config -- narrower than the original
> 2000 us).

> Add a code comment with the datasheet reference so the "why"
> of the wait is visible at the call site.

Unneeded detail in the commit message (it more appropriate
to have this in the comment block, below '---' line). Up to
Jonathan what to do with it.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>

-- 
With Best Regards,
Andy Shevchenko