From patchwork Tue Mar 14 22:16:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andi Shyti X-Patchwork-Id: 69873 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:5915:0:0:0:0:0 with SMTP id v21csp2021073wrd; Tue, 14 Mar 2023 15:45:29 -0700 (PDT) X-Google-Smtp-Source: AK7set/y/WExhKR4sQqaZ7nRUUP/9POZGFDZPcEtZd8MQqf/nPTYJtMxEUKBvDdwU6TJPUUWA/wM X-Received: by 2002:a17:90b:1c86:b0:230:c41b:4d87 with SMTP id oo6-20020a17090b1c8600b00230c41b4d87mr39742185pjb.6.1678833929588; Tue, 14 Mar 2023 15:45:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1678833929; cv=none; d=google.com; s=arc-20160816; b=tD68nAsFMBgTxl7JrKGo088fGBLb5DDw0kv17A4RkitmuttLph1mEeVlLw/f3/PIb6 CzX8i//E7d/DYRDZb1Pnj4nfeUZD5DYWpR6tLKGPtxRb2Xop1XLKSRx6pZTRDeNgE/Gi s2oOrAhCDRTfZV43afIZ5A7wJ7aMvVywNupXNA4T4hlhuD5newhwf9/vs+tWR/vQgUDT H/rF1RetgaIFxF+QzBZO9xFOdpqNYsp5Eisc7V0J7IsTnlcJjID+c9jvAjjYH+q1fcyb B9xmEZD4Jt9yIHRiF8D7X91WfJ9RbWaGCo0ytcsCDbs5hSiUkfusA3+l6AOjV0MLbPTs qCBA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=Hrz1Ty26q9R4oejDg6RGUleTOSq4qpwfKjEXPIenbTY=; b=eN6uzh9gestRv5nvltOpsxK3pH53NtvtwX8Q4y6FJkiAAkVIGLzliJAJqALP4+SgzZ SgEHOXXzIUEvccQIdSjBs6eUKcQ+laoDoqk86ebNkUv2P2eXMwNYRDOMbiGCDC56P4qg vlGWo5kdEvBE4tl94YOEcVl7985dsHjQTBtPuKJYHkSeDSYIUGr5FTEwf+yiiEfIbXKA 0DBpAgaznNabYSO0n6iQrV5+OtrEqhdxkcjcVX17jJq3HGK5+uAJbnpG0lDl8KB7JKI2 CCUpaPA55XwYmnIoNjy3aQzIqVOcCfWofqBUunI3z3LcsnVlcqAp3CBm4hCryVF6NH8p GSdQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=s2uXLj6l; 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=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id q36-20020a635064000000b00502f0d2abc5si3201715pgl.725.2023.03.14.15.45.14; Tue, 14 Mar 2023 15:45:29 -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=@kernel.org header.s=k20201202 header.b=s2uXLj6l; 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=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229991AbjCNWSW (ORCPT + 99 others); Tue, 14 Mar 2023 18:18:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55484 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229794AbjCNWST (ORCPT ); Tue, 14 Mar 2023 18:18:19 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4D7F1B2FD; Tue, 14 Mar 2023 15:17:38 -0700 (PDT) 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 dfw.source.kernel.org (Postfix) with ESMTPS id 4495961A10; Tue, 14 Mar 2023 22:16:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A679C433EF; Tue, 14 Mar 2023 22:16:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1678832185; bh=k6ND9M97R7Y6FDO6pJHrq7idbQ0eBx7iEsqSwSpZ06c=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=s2uXLj6lU0F32CIEEKAZl94GLY+fRaVfgi0h2/xRCFmluhqdjPz1qEYgtcbtMg3vS rJa4eQVOKrtR1lGlUJXWdt85OLb4SRgqgIOznjTeCM44hH+uzoUO12NqrySwOGcm8P pvk8bdUwCNOLKp1ixITaGPdW69b/cCK6TOM6evpidXTQ/0vNTZnFa58zTAAJjnVA1T Zv9UywpHGyvHSlL2454Chu8kFFUBLv1FrYE09m8d24CUWpy+9HAc8ZHjDNYIorAHC0 lwbwO6S+IkHbNQhCO0QsGIoz+tZUYS9l6ZIx3E/KD2APyRirsJ/LUvFwK4TaaWRL8L jTm/oAyYsOmTg== From: Andi Shyti To: linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Wolfram Sang , Rob Herring , Krzysztof Kozlowski , Chris Packham , Ryan Chen , Andi Shyti Subject: [PATCH v5 3/3] i2c: mpc: Use i2c-scl-clk-low-timeout-us i2c property Date: Tue, 14 Mar 2023 23:16:14 +0100 Message-Id: <20230314221614.24205-1-andi.shyti@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230314215612.23741-4-andi.shyti@kernel.org> References: <20230314215612.23741-4-andi.shyti@kernel.org> MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS 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 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760384966568422793?= X-GMAIL-MSGID: =?utf-8?q?1760384966568422793?= "fsl,timeout" is marked as deprecated and replaced by the "i2c-scl-clk-low-timeout-us" i2c property. Use this latter and, in case it is missing, for back compatibility, check whether we still have "fsl,timeout" defined. Signed-off-by: Andi Shyti Reviewed-by: Chris Packham Tested-by: Chris Packham Reviewed-by: Krzysztof Kozlowski --- Hi, this should be the only patch where I forgot an 'ms'. It should be fixed now. Thanks, Chris. V4 -> v5 - replace /ms/us/ in the commit subject and in the comment. drivers/i2c/busses/i2c-mpc.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 87e5c1725750f..aec3ac387c579 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -843,8 +843,18 @@ static int fsl_i2c_probe(struct platform_device *op) mpc_i2c_setup_8xxx(op->dev.of_node, i2c, clock); } + /* + * "fsl,timeout" has been marked as deprecated and, to maintain + * backward compatibility, we will only look for it if + * "i2c-scl-clk-low-timeout-us" is not present. + */ result = of_property_read_u32(op->dev.of_node, - "fsl,timeout", &mpc_ops.timeout); + "i2c-scl-clk-low-timeout-us", + &mpc_ops.timeout); + if (result == -EINVAL) + result = of_property_read_u32(op->dev.of_node, + "fsl,timeout", &mpc_ops.timeout); + if (!result) { mpc_ops.timeout *= HZ / 1000000; if (mpc_ops.timeout < 5)