Re: [PATCH v3 00/12] iio: adc: ad7173: add SPI offload support

Jonathan Cameron
2025-07-06T10:04:25Z

On Wed, 2 Jul 2025 11:04:48 +0300
Andy Shevchenko <andriy.shevchenko@linux.intel.com> wrote:

> On Tue, Jul 01, 2025 at 04:37:48PM -0500, David Lechner wrote:
> > Here comes another series for adding SPI offload support to an ADC.
> >
> > The primary target is AD411x, but since this uses the ad_sigma_delta
> > shared module, a lot of this series is focused on that.
> >
> > To start with, we have some cleanups to the ad_sigma_delta code, so feel
> > free to pick these up as they are ready as they generally stand on their
> > own.
> >
> > Then before adding proper SPI offload support, we make use of
> > spi_optimize_message() to reduce CPU usage of all users of this driver
> > during buffered reads.
> >
> > Also there is a new dt-binding and driver for a special SPI offload
> > trigger FPGA IP core that is used in this particular setup.
> >
> > Then finally actual SPI offload support is added to the ad_sigma_delta
> > module and the ad7173 driver.
> >
> > This was tested using EVAL-AD4112ARDZ on a DE10-Nano.
>
> This version LGTM,
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
>

Applied 1-7 and 11-12. Mark picked up 8 and 9 from v2.

Thanks,

Jonathan