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Message-ID: <20250706110548.13605ebf@jic23-huawei>
Date: Sun, 6 Jul 2025 11:05:48 +0100
From: Jonathan Cameron <jic23@...nel.org>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: David Lechner <dlechner@...libre.com>, Michael Hennerich
 <Michael.Hennerich@...log.com>, Nuno Sá <nuno.sa@...log.com>,
 Andy Shevchenko <andy@...nel.org>, Rob Herring <robh@...nel.org>, Krzysztof
 Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Mark
 Brown <broonie@...nel.org>, linux-iio@...r.kernel.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 linux-spi@...r.kernel.org
Subject: Re: [PATCH v3 00/12] iio: adc: ad7173: add SPI offload support

On Sun, 6 Jul 2025 11:04:17 +0100
Jonathan Cameron <jic23@...nel.org> wrote:

> On Wed, 2 Jul 2025 11:04:48 +0300
> Andy Shevchenko <andriy.shevchenko@...ux.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@...ux.intel.com>
> > 
> 
> Applied 1-7 and 11-12.  Mark picked up 8 and 9 from v2.
1-8 and 11-12. 9 and 10 are now the ones that match with 8 and 9 that
Mark picked up. Oops.
> 
> Thanks,
> 
> Jonathan
> 
> 
> 


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