Re: [PATCH v8 0/5] iio: adc: ad799x: modernize resource management

[Jonathan Cameron]

On Tue, 14 Apr 2026 20:09:58 +0300
Andy Shevchenko <andriy.shevchenko@xxxxxxxxx> wrote:

> On Sun, Apr 12, 2026 at 03:07:34PM +0530, Archit Anant wrote:
> > This series modernizes the ad799x driver by converting resource 
> > management to the devm_ infrastructure. This results in cleaner 
> > probe error handling, the removal of the ad799x_remove() function, 
> > and improved overall code maintainability and safety.
> > 
> > Key changes in this series include:
> > - A prerequisite cleanup to sort headers alphabetically.
> > - Static allocation of the rx_buf using IIO_DECLARE_BUFFER_WITH_TS()
> >   to avoid dynamic memory leaks during scan mode updates.
> > - Caching of VCC and VREF regulator voltages during probe() to 
> >   optimize read_raw() performance and simplify power management logic.
> > - Migration of regulators and mutex initialization to device-managed 
> >   resources (devm).
> > - Fixing a potential race condition by moving mutex initialization 
> >   before IRQ registration.
> > - Removal of the manual ad799x_remove() function and all goto-based 
> >   error cleanup labels in ad799x_probe().
> > 
> > These changes ensure the teardown sequence is always correct, 
> > following the reverse order of allocation, and remove unnecessary 
> > boilerplate code from the driver.  
> 
> Some pieces still can be polished, but this is good enough, let's go with it!
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
> 
Applied to the testing branch of iio.git.

thanks,

Jonathan