From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C5CCC19CC27; Sun, 6 Jul 2025 10:04:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751796265; cv=none; b=eZjKkDY3M45+9rFNXV8afFBAofKEJmKhoQHH39JdDH7mbXNhcg02im78lGotc+qquMHeiETTY2YaPeUxWG5V8S6zFdHSExSYjRaDC8sTBbVnaD3tkxo65o/pgo4B9LOwbVkeyBfNHI3E0e7ImppeF54L/vJvYVairyYDqNbG3bA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751796265; c=relaxed/simple; bh=sfZPxovac7wExNUkxvV6YrqzR6NA/S1RS721Zk3YH+4=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Oqe4sZu8Jj7+ekqMvs6z3pVgfOuEgT/1pwCGPJJENsWqwoxQ75a6nkcrGXRJmHOaNufv6khdp/srzaFfTElWWjFsY9ICVceg4dVzxoSZPCz1pRrCEUqQUUcSRV72OAK39Q3DuaJY75GMqzTiI6oOC1yikVBnF7hi+4Evjw4VUBk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BFpAC89f; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BFpAC89f" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0B482C4CEED; Sun, 6 Jul 2025 10:04:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751796265; bh=sfZPxovac7wExNUkxvV6YrqzR6NA/S1RS721Zk3YH+4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=BFpAC89fLI9LG8L6sxsNAqnH1e2grHdj/j36sOZ8uyzB1LFOzxuvRFj576BROHVHD frWJXMGayWJhFH8fXn1Cl2hrAWdCMO6QWpLWJOAAyGhXbaQBotefB8BCu7LUwv3ewW MHw2W1b3pzxV3ugoeZNyhYQUIUAqOQObdYszXQG4T9yOgupw71rX4Jdd+rbMYoY1LT ykbIbh6mq5o00qZ6TiZggaPbsV/Src65UmMLwrziHQrvfcCVu5bsGfE53nM4QdbY5/ goXIUEVr7BjUcpSEHYtwGDb4vNKp6oYav6l0CksRNa+eusbi9J3tORk7pG9JgE0ShZ PTqiLEzSL+xCQ== Date: Sun, 6 Jul 2025 11:04:17 +0100 From: Jonathan Cameron To: Andy Shevchenko Cc: David Lechner , Michael Hennerich , Nuno =?UTF-8?B?U8Oh?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mark Brown , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-spi@vger.kernel.org Subject: Re: [PATCH v3 00/12] iio: adc: ad7173: add SPI offload support Message-ID: <20250706110417.5182f679@jic23-huawei> In-Reply-To: References: <20250701-iio-adc-ad7173-add-spi-offload-support-v3-0-42abb83e3dac@baylibre.com> X-Mailer: Claws Mail 4.3.1 (GTK 3.24.49; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 2 Jul 2025 11:04:48 +0300 Andy Shevchenko 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 > Applied 1-7 and 11-12. Mark picked up 8 and 9 from v2. Thanks, Jonathan