Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5C9AC433EF for ; Wed, 22 Dec 2021 12:32:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240549AbhLVMc3 (ORCPT ); Wed, 22 Dec 2021 07:32:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35394 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233751AbhLVMc2 (ORCPT ); Wed, 22 Dec 2021 07:32:28 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D1E10C061574; Wed, 22 Dec 2021 04:32:27 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 99387B819C9; Wed, 22 Dec 2021 12:32:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 81FB8C36AE8; Wed, 22 Dec 2021 12:32:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1640176345; bh=W7F//Rlq5WYu/4RjwUNC1gQcNwfJyIZJX7Z0BZK3Kk8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NMO4jt7pwj1eGopvEW1DaeHEYYS+zDKgz6of5HMvWtISM4ic2IPIrRz+qvkjFOxtw 7/J3dGRQzN9p8QaDlSwsVz0Tteqyvt+R0RqZy7QBA9k8/XFQRfwDXH0yRJzOEfld0o b8aU3xY6mNw6Js2/en5ieXHIPTWfxIV00dXFwym9vFyym4MTxc3T15bqfvQNt8EjvW k64INXlaMvs7CYoyTBHtYwOBPnInvrEaUYaDKliRQPW3HzlhYgmk7yE4xeLkD20qxG 1s6L0+pw6ktKJWrpCbvyyWRYTvEVUR7qj9R9PPIYr4uY7FNtzwJ/Ri33cI9q76Hh1O rogIXcHSIfgfQ== Date: Wed, 22 Dec 2021 12:32:21 +0000 From: Mark Brown To: Oskari Lemmela Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] spi: ar934x: fix transfer size Message-ID: References: <20211222055958.1383233-1-oskari@lemmela.net> <20211222055958.1383233-2-oskari@lemmela.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="1lzwZ4JX7pCGOlVU" Content-Disposition: inline In-Reply-To: <20211222055958.1383233-2-oskari@lemmela.net> X-Cookie: Weekend, where are you? Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --1lzwZ4JX7pCGOlVU Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Dec 22, 2021 at 07:59:57AM +0200, Oskari Lemmela wrote: > If bits_per_word is configured, transfer only word amount > of data per iteration. Does this actually materially affect what the hardware does? How much data is transferred in an internal loop in the driver is completely immaterial, bits per word only matters for formatting of the transferred data. --1lzwZ4JX7pCGOlVU Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEyBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmHDGtQACgkQJNaLcl1U h9DWywf1H2cmOZR+vwhWCGZJZXUwAGQJNX/i0zxtnHxwpwhgMqcVglgORuqAH0H6 HvFC5LwYKg0a997Jw9yFwjfFQkmXj0zOrqtxIy5HBG/u7k3EW0Fo45l8Ks0qFjRx oDP78b/kDfoeAUUmZUfjncvF46lTdfEruGO0jf8Gh96QET1dQoYtUZAhdfwiOE2K 9qdYrJ11BblECAmRj7TxYvl+IVxbhprHxnzDlhI4BSWcjsDTihKfmPQgRyhFNBh/ KGTviYb8mj3bl7MMa154/vbK/8aI509MNUSXnH/pRDFZKtTDoousZ03kfJcFKnLx jZjE4ANjrcaC25Wf9GnR/9CnQ0vC =LRZo -----END PGP SIGNATURE----- --1lzwZ4JX7pCGOlVU--