From patchwork Tue Sep 13 16:31:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12975053 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 6B69AC6FA8B for ; Tue, 13 Sep 2022 17:40:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233318AbiIMRk2 (ORCPT ); Tue, 13 Sep 2022 13:40:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53896 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233202AbiIMRjl (ORCPT ); Tue, 13 Sep 2022 13:39:41 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 785B2A7221; Tue, 13 Sep 2022 09:32:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1663086741; x=1694622741; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=AeDF2xSviZhU3KN3WMgjO56/nBhapQiTY2+YlehU628=; b=kqXg0jVQyRYUjGvhycffGL62k+hT4NDc7mZZgp2G+h1XCeCP7u3Gf16N AGp3l5q4T30L/OUrIIsr1cbfAjuFvr6FTz8MpWgEca92HEQ/6bdW1FuUp CivFbQ27v+HJ3d2CnBjtKrcSw+KvG6BBRjINg/GjKxXgcVZqATglol90B beX5FhdBuBxgPuklNW5MVcX0YCsiOLovHuT99n50tClpacpKjLFkZIIPO Kr8+r74mu3PdeRZVKYuMJRtPy8Kh/ckGb48UOILHY04qPbY8bAD3mGimF KTRrfM6+XGRF6et1vK5mxkGRlo9iOD+4d+I8WRUYYOG4cNaIb4U0tTlgZ g==; X-IronPort-AV: E=McAfee;i="6500,9779,10469"; a="362135470" X-IronPort-AV: E=Sophos;i="5.93,313,1654585200"; d="scan'208";a="362135470" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Sep 2022 09:31:47 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,313,1654585200"; d="scan'208";a="791992110" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga005.jf.intel.com with ESMTP; 13 Sep 2022 09:31:39 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 6CA7E50D; Tue, 13 Sep 2022 19:31:49 +0300 (EEST) From: Andy Shevchenko To: "Rafael J. Wysocki" , Andy Shevchenko , Hans de Goede , Ard Biesheuvel , Wolfram Sang , Mark Brown , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, linux-i2c@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, devel@acpica.org Cc: "Rafael J. Wysocki" , Len Brown , Elie Morisse , Nehal Shah , Shyam Sundar S K , Khalil Blaiech , Andy Gross , Bjorn Andersson , Konrad Dybcio , Will Deacon , Mark Rutland , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Robert Moore , Wolfram Sang Subject: [PATCH v3 5/8] i2c: mlxbf: Refactor _UID handling to use acpi_dev_uid_to_integer() Date: Tue, 13 Sep 2022 19:31:44 +0300 Message-Id: <20220913163147.24258-6-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220913163147.24258-1-andriy.shevchenko@linux.intel.com> References: <20220913163147.24258-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org ACPI utils provide acpi_dev_uid_to_integer() helper to extract _UID as an integer. Use it instead of custom approach. Signed-off-by: Andy Shevchenko Acked-by: Wolfram Sang Reviewed-by: Hans de Goede --- drivers/i2c/busses/i2c-mlxbf.c | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/drivers/i2c/busses/i2c-mlxbf.c b/drivers/i2c/busses/i2c-mlxbf.c index 8716032f030a..32235c62f3d2 100644 --- a/drivers/i2c/busses/i2c-mlxbf.c +++ b/drivers/i2c/busses/i2c-mlxbf.c @@ -2229,35 +2229,27 @@ MODULE_DEVICE_TABLE(acpi, mlxbf_i2c_acpi_ids); static int mlxbf_i2c_acpi_probe(struct device *dev, struct mlxbf_i2c_priv *priv) { const struct acpi_device_id *aid; - struct acpi_device *adev; - unsigned long bus_id = 0; - const char *uid; + u64 bus_id; int ret; if (acpi_disabled) return -ENOENT; - adev = ACPI_COMPANION(dev); - if (!adev) - return -ENXIO; - aid = acpi_match_device(mlxbf_i2c_acpi_ids, dev); if (!aid) return -ENODEV; priv->chip = (struct mlxbf_i2c_chip_info *)aid->driver_data; - uid = acpi_device_uid(adev); - if (!uid || !(*uid)) { + ret = acpi_dev_uid_to_integer(ACPI_COMPANION(dev), &bus_id); + if (ret) { dev_err(dev, "Cannot retrieve UID\n"); - return -ENODEV; + return ret; } - ret = kstrtoul(uid, 0, &bus_id); - if (!ret) - priv->bus = bus_id; + priv->bus = bus_id; - return ret; + return 0; } #else static int mlxbf_i2c_acpi_probe(struct device *dev, struct mlxbf_i2c_priv *priv)