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[2620:137:e000::1:20]) by mx.google.com with ESMTP id re21-20020a170906d8d500b00988f4b9113bsi5770904ejb.690.2023.06.28.06.28.29; Wed, 28 Jun 2023 06:28:54 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20221208 header.b=gXnGbdQQ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230378AbjF1NQY (ORCPT + 99 others); Wed, 28 Jun 2023 09:16:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231659AbjF1NQN (ORCPT ); Wed, 28 Jun 2023 09:16:13 -0400 Received: from mail-io1-xd2c.google.com (mail-io1-xd2c.google.com [IPv6:2607:f8b0:4864:20::d2c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4B1451705; Wed, 28 Jun 2023 06:16:13 -0700 (PDT) Received: by mail-io1-xd2c.google.com with SMTP id ca18e2360f4ac-785d3a53ed6so11370539f.1; Wed, 28 Jun 2023 06:16:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1687958172; x=1690550172; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=ZrzyOVQ3QAJPAipNHwKEkBm18s9ryw9sFI7AdY1QaUg=; b=gXnGbdQQbDTscAw6UOMk/Gi6/IjDwP268V57mgCPE0kKAgqDwCjlVKtIykVyirwABX 4sSw1Uh40mlrKGznF/pFUORxis+QYMZIxP2g8O6G09zCCnHQiTcCSergfZCU0UMIkwtH 7ERVdOCw+EVKzdeTjUu0sneU5goP5L+8c+oLDQQe3mFDnlcknLikkKPqEw9zyvWvbFDE G3wDS3qHd8CwhgmcujXJIN5FrK8q0fgdcZ0Ckiq2nNdn/rzQiAQ/lAERkdnS+tcnJUDB TF/n1VdgUL0u4U8n0MOER9cfBxp+VYQirz9KPvzTySAhN2xLavyNZs2BcuVJbujBAHpV z6Zg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687958172; x=1690550172; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ZrzyOVQ3QAJPAipNHwKEkBm18s9ryw9sFI7AdY1QaUg=; b=Z4vRFI8H07M4LE0s1svpx5B7022pgoeDtEnzZO3/CwznIEZK8RMZs6Sk6fF9EA81AD CzZHYT64PkLbdcrumsjBPXsHAtpCpSXULpngatFb6JrMgfkqHhKQXjmzX/L+GIuOKBHe 4PfJBZOz6ZAj2c2nljsKAq7kL1vz8BaG69rBKB2/g1Y3N03NxwOX1fy1ug4GX2BgZLUv QKSlbbbbvVVxeGfbiN3yN7W5XV49UjasrjzDgVJRcIcDwbBzRBx77lC6gPHFqhbPMT0q 59/mdDHyQiGxAAUg8NdvZZzRuDaWCODENK9rQGN63jhxH12hk+Y0rXKKRRalBvKSxy5p v2xg== X-Gm-Message-State: AC+VfDwigqLNHeL9L+rfYZI1JY5qVJqvPonjdbGKwpoiPv3pren/tNYB VW1ArIGhFDzlO1Ydd6WKc+wvL2X2zk6OcVokHmo= X-Received: by 2002:a05:6602:388b:b0:783:743c:fd01 with SMTP id br11-20020a056602388b00b00783743cfd01mr5925698iob.0.1687958172551; Wed, 28 Jun 2023 06:16:12 -0700 (PDT) MIME-Version: 1.0 References: <20230628125406.237949-1-stefan.moring@technolution.nl> In-Reply-To: <20230628125406.237949-1-stefan.moring@technolution.nl> From: Fabio Estevam Date: Wed, 28 Jun 2023 10:16:02 -0300 Message-ID: Subject: Re: [PATCH] spi: Increase imx51 ecspi burst length based on transfer length To: Stefan Moring Cc: broonie@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, linux-imx@nxp.com, linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Stefan, On Wed, Jun 28, 2023 at 9:54=E2=80=AFAM Stefan Moring wrote: > > IMX51 supports 4096 bit burst lengths. Using the spi transfer length > instead of bits_per_word increases performance significantly. Could you please share the performance increase after this change? Thanks