From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f175.google.com (mail-pg1-f175.google.com [209.85.215.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 235CC2940D for ; Sat, 15 Nov 2025 14:16:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.175 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763216191; cv=none; b=Z7f+REKI9IUFV6a4kY1vOTlhXu0T9q9mTu7L2aH5VtV2YH7XoznUoYGDzmpLUVghKGcy+fJBfZppX3Ob3f0LY7VAqaS1z5l1YVCHXZYhUIFIb+i8Q3WO7pgrKUIZ+qWn+Qo/2BKvOUWBq7LKrvnNQ9EsudQWONVYPSZv/s5/d+E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763216191; c=relaxed/simple; bh=lQDMn33BZA4A6/Iz+tzzcStrq+yIE8dCfga/dGLU5pQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lxWtVmWPMBj37yLbdugttEPUqxB0ujklm/tW0h6X03Q89KMoBIwcXA0tVOyu0l05fE5u6bMtpltW+t16ONA5Gmm5nDzKARdSXZEcWRFYE9qkvHvIBu4Sl+cubW41R6tMwzzcMKAMR6q0/7K1M1c+TI4r+J9O7jP2+rftKpgVD3g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=bG3jtSVL; arc=none smtp.client-ip=209.85.215.175 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="bG3jtSVL" Received: by mail-pg1-f175.google.com with SMTP id 41be03b00d2f7-bc1f6dfeb3dso1623734a12.1 for ; Sat, 15 Nov 2025 06:16:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1763216189; x=1763820989; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=a+fpNKU67bQPKNnLnZxW1QMryMXbqH3Y66bi/S1gzo4=; b=bG3jtSVLIOzCP3ri06v/F0WfTRMrhGtjp7Zmus+VjsqvPIEKUGbpT2PznRsq5rJLVB wnQndURAPMksO9is7j3Q0HRrota1quKir5K6C7fKWisj97UGy/kl+IKWKQT6tb9KlUwu rPBiXC47wCDh4LtU+l1d6EgBIYO/kalGcsE8ws/CPSorYiGMRiKl3MfbkwY7R8IlQMJK eo3OOBZA+KvFjmIolgsdZS0DLl+RrTdWZ/AstZnMiKCJmN0J3vNBd7yGCF6Tjk2YyjK6 6BsEn1ybO42kdxfNSNOYdW2SM4F+TMoWBkH9QbICIt78LCPSrk0BM7jXEFWlKpSTRPmK hJhA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763216189; x=1763820989; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=a+fpNKU67bQPKNnLnZxW1QMryMXbqH3Y66bi/S1gzo4=; b=iDEbYIGlFf7qDUEB8zpgKHVMYLMkoV6a2irXnQCebpa0lU2FBwknGesX2YK4ZWY3Nt QUPpVot/A4FGjfBMdblzcOO7pt6l2KEGZxcU5iasnMB7jCJ9eiHI6xdVYXt8phJ9ljfD +Xlnn2+hyhAmS1TUpFbjIJhWTTmm5vXOsM8vOveFSHd3xqSkfW3MDqeqhFHbj8RX07Gg /C4MNNKa6TDLYiyv7rF1JH7IGQgFWA9rSX73vrJ7C5o6v8mtjW4czAwxcwgwhvjjV3Yk RTpZ9dfPw0dSVkF4b/LHVCVhtLLJA336ilcXn+MVI6G3vWoVMDGpVHXv2OwbwZuAIAhC ubmw== X-Forwarded-Encrypted: i=1; AJvYcCVJ9RC2aLBH/DvqQ8Rci1711euNO5GRDFMExiWp4Q1XrL/JsuvkWvcxII9SYVUWdvJRhL+EXVt7D1QzKmc=@vger.kernel.org X-Gm-Message-State: AOJu0Yy1G4WORIqtdOd4DILV0/OEaFjitonWPnZMaBoLvqXKzlObKt9E ei0nqn48YF7SBzRV7U40KHOxIT/j/6BxXVSV6Z6+Cfw1lW8WPVwkR+RO X-Gm-Gg: ASbGncsuuqzhqCkOHd/ux9qB+0U3NSAIU+Pf7gosryLk1RW2DL22UV5TZblLvr+vmUN EYgKgjrv60l4m9fVdy+QEEdGi4IPZLsOJI8FoobhyTzO9mK4iknfhPh3uiehSv+GWNiZdGSRFLa LMZ5+WnYlLrL7v0Kvrc7H24G2O80zUAVdtAGDQ+3W22ZG50Rcz9TahGEQl83f2g3h51ZQEhVfvH dnniGMVXezIROfwakOET+7Xu0OvSEo82bddnEAL9isb074flzucCJ2cH7V65uA569fAOKg4WbUl E62wF+asDU5dUWVJLxd5vKDiAER86OzPdy8bo6ahC7sPvroXJN8iaAQtBUOuV9tbjBa3k6TO79o uN++eN89ZazzQzxQQAs0muCYMVWuU8AjNB37wPGcSEmVRYoCqJemPguBqqInQI8yYJk7C6DSAzT YNCLWS8ZTRov1kJQXGp15/ X-Google-Smtp-Source: AGHT+IFt5UfNZZzCWoZkNCgT7H9T2i6L90DMNpbzvAx2Pg8fW7yyjEV9hJ62Kua4odWnEM6/XiVGpA== X-Received: by 2002:a05:7301:150e:b0:2a4:5a7a:3a5c with SMTP id 5a478bee46e88-2a4abdd0b97mr2113431eec.26.1763216189264; Sat, 15 Nov 2025 06:16:29 -0800 (PST) Received: from localhost ([2804:30c:1661:8a00:578a:911c:ac25:24a6]) by smtp.gmail.com with UTF8SMTPSA id 5a478bee46e88-2a49db102f5sm17940394eec.4.2025.11.15.06.16.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Nov 2025 06:16:28 -0800 (PST) Date: Sat, 15 Nov 2025 11:17:48 -0300 From: Marcelo Schmitt To: David Lechner Cc: Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Marcelo Schmitt , Michael Hennerich , Nuno =?iso-8859-1?Q?S=E1?= , Jonathan Cameron , Andy Shevchenko , Sean Anderson , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org Subject: Re: [PATCH v2 4/6] spi: axi-spi-engine: support SPI_MULTI_BUS_MODE_STRIPE Message-ID: References: <20251107-spi-add-multi-bus-support-v2-0-8a92693314d9@baylibre.com> <20251107-spi-add-multi-bus-support-v2-4-8a92693314d9@baylibre.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251107-spi-add-multi-bus-support-v2-4-8a92693314d9@baylibre.com> On 11/07, David Lechner wrote: > Add support for SPI_MULTI_BUS_MODE_STRIPE to the AXI SPI engine driver. > > The v2.0.0 version of the AXI SPI Engine IP core supports multiple > buses. This can be used with SPI_MULTI_BUS_MODE_STRIPE to support > reading from simultaneous sampling ADCs that have a separate SDO line > for each analog channel. This allows reading all channels at the same > time to increase throughput. > > Signed-off-by: David Lechner > --- > v2 changes: > * Fixed off-by-one in SPI_ENGINE_REG_DATA_WIDTH_NUM_OF_SDIO_MASK GENMASK > --- Reviewed-by: Marcelo Schmitt