From patchwork Wed Feb 1 22:00:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Herring X-Patchwork-Id: 649528 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 2262FC05027 for ; Wed, 1 Feb 2023 22:00:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229471AbjBAWAL (ORCPT ); Wed, 1 Feb 2023 17:00:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40770 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231607AbjBAWAL (ORCPT ); Wed, 1 Feb 2023 17:00:11 -0500 Received: from mail-oi1-f180.google.com (mail-oi1-f180.google.com [209.85.167.180]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BD37728D1; Wed, 1 Feb 2023 14:00:10 -0800 (PST) Received: by mail-oi1-f180.google.com with SMTP id r28so526977oiw.3; Wed, 01 Feb 2023 14:00:10 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Vj0b1ZK3fckZ4VvFRyf/KYc9WA7HNMJVi8mYiiJF7CM=; b=76Rsq/LOlR63GR1MYsDQgQIpjiF5+3AzXL3Jwn1bOKh1AyhoSwr/f4A5trlASv4xtB 6BsupJrwVBcI0zmNfPIW8xtRGr8ppItP1bmjPf4UMDoDZ6WV7IvamJjJ1VUNm6ALjd60 xpCN1ViuY9p+LmriynCivUFSaPN/jY3j6D24mBd1mjJV5Kw/VFm9nI825AxOgk4dQ1ij gHm3FSqeinskWywT+BAew5uiM19xhMLoHpn6BQW7H6AABp5A2dlMrrDZWS7ykVujvdTF peNoxCeFhaBwXR6q5HsUD8uY64i+LidYz7xDn6foWUnWNeZukYxPOPi9gHl5su7SOXaO gYEw== X-Gm-Message-State: AO0yUKX71hT96W+6EbtrlkvzLtH4+Dubd8DqRsJZVH6xWCNORchEDxFN hl3EhTzr0TivLWT2RgIpmJqa1kh6Mw== X-Google-Smtp-Source: AK7set9RqCkO37nOMZk3VE97UdW3F6KdrsVcaoBbY/5KlonMFk7VdUFXJJ19kcx9oQ0CM4FAcLhnYA== X-Received: by 2002:a05:6808:f0c:b0:378:6396:13cc with SMTP id m12-20020a0568080f0c00b00378639613ccmr2286307oiw.56.1675288809257; Wed, 01 Feb 2023 14:00:09 -0800 (PST) Received: from robh_at_kernel.org (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id my11-20020a056870698b00b00143ae7d4ccesm8331600oab.45.2023.02.01.14.00.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Feb 2023 14:00:08 -0800 (PST) Received: (nullmailer pid 247042 invoked by uid 1000); Wed, 01 Feb 2023 22:00:08 -0000 From: Rob Herring To: Tony Lindgren Cc: linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] bus: ti-sysc: Remove open coded "ranges" parsing Date: Wed, 1 Feb 2023 16:00:02 -0600 Message-Id: <20230201220002.246907-1-robh@kernel.org> X-Mailer: git-send-email 2.39.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org "ranges" is a standard property and we have common helper functions for parsing it, so let's use them. Signed-off-by: Rob Herring --- Compile tested only! --- drivers/bus/ti-sysc.c | 41 +++++++++-------------------------------- 1 file changed, 9 insertions(+), 32 deletions(-) diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 6afae9897843..9c8985515376 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -648,43 +648,20 @@ static int sysc_init_resets(struct sysc *ddata) static int sysc_parse_and_check_child_range(struct sysc *ddata) { struct device_node *np = ddata->dev->of_node; - const __be32 *ranges; - u32 nr_addr, nr_size; - int len, error; - - ranges = of_get_property(np, "ranges", &len); - if (!ranges) { - dev_err(ddata->dev, "missing ranges for %pOF\n", np); - - return -ENOENT; - } - - len /= sizeof(*ranges); - - if (len < 3) { - dev_err(ddata->dev, "incomplete ranges for %pOF\n", np); - - return -EINVAL; - } - - error = of_property_read_u32(np, "#address-cells", &nr_addr); - if (error) - return -ENOENT; + struct of_range_parser parser; + struct of_range range; + int error; - error = of_property_read_u32(np, "#size-cells", &nr_size); + error = of_range_parser_init(&parser, np); if (error) - return -ENOENT; - - if (nr_addr != 1 || nr_size != 1) { - dev_err(ddata->dev, "invalid ranges for %pOF\n", np); + return error; - return -EINVAL; + for_each_of_range(&parser, &range) { + ddata->module_pa = range.cpu_addr; + ddata->module_size = range.size; + break; } - ranges++; - ddata->module_pa = of_translate_address(np, ranges++); - ddata->module_size = be32_to_cpup(ranges); - return 0; }