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Message-ID: <20250706110417.5182f679@jic23-huawei> Date: Sun, 6 Jul 2025 11:04:17 +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 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. Thanks, Jonathan
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