From patchwork Tue Mar 14 21:56:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andi Shyti X-Patchwork-Id: 663817 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 61F2AC7618B for ; Tue, 14 Mar 2023 21:58:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230416AbjCNV6Q (ORCPT ); Tue, 14 Mar 2023 17:58:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50770 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230515AbjCNV6N (ORCPT ); Tue, 14 Mar 2023 17:58:13 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C9F5924BD2; Tue, 14 Mar 2023 14:58:10 -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 5421861A0D; Tue, 14 Mar 2023 21:58:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2288DC43444; Tue, 14 Mar 2023 21:58:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1678831089; bh=rzP1OfS87vsi0Hjf6WC+JjuWr6HX7jni765Ubv/Snwo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OECqL0OZS07uL3BzVRDTosxxVUJFVMcoNQdawBbYgTjyUz3PZt5zKoh041xF5/mco Fvh9F3Q7Yxnn1ttLQEqkgA+/T7WnzNlyFNhufKlQgw5P7AJ/XerITj2epTSu1IS14d 7JRoyyPFPHWYMl63UQ6W5/CjiItGejF4dygaGmtdbjAChrS0pzmAs6HC25LcbZWVeo E4O89HvSyxUQoDOc+cQ9B03kO9Cm5eNg/04KnvxVTKfZBt4zlhXYhHxoq0REshG9Mh wt8NbpAmBoVqoWFw6PRBcVIn4kx5byLGdxFtLXYX6X5YucClIwd1ydf6FtTI+RqZDd +PTIdq3UKCWtw== 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 v4 3/3] i2c: mpc: Use i2c-scl-clk-low-timeout-ms i2c property Date: Tue, 14 Mar 2023 22:56:12 +0100 Message-Id: <20230314215612.23741-4-andi.shyti@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230314215612.23741-1-andi.shyti@kernel.org> References: <20230314215612.23741-1-andi.shyti@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org "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 --- 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..e8798f9c23fcc 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-ms" 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)