From patchwork Thu Sep 8 13:29:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 604043 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 E4D24C6FA8B for ; Thu, 8 Sep 2022 13:29:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232630AbiIHN3o (ORCPT ); Thu, 8 Sep 2022 09:29:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231243AbiIHN3L (ORCPT ); Thu, 8 Sep 2022 09:29:11 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5B71AB1AD; Thu, 8 Sep 2022 06:29:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1662643750; x=1694179750; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8WrWxiQuiUTX6EaggRQCN+4NAW99qANSsfg8ToIRMN0=; b=YeUtuIdP2n6L3Nx23qKLD4utLjzUUcwBq/I9ralgBuoqgFh+CH/hiJLu CxwQxw+9QZ17XrgkOXVIuFSIqmbVvIuvlUhx6gY6wsmHKpqr/IfX/KrsX 5VwSv66RrPStgEy/dnqIoQdXxQRO8lXi0KTRPhryMDNTDpj+3wjSrKwzH PKrHhAmV7qkIb5bixLzPiahHAIeQ6lJR0KEa3QeF7D7Z4cFp9ChIfajwX cUsu4TEzzndCSv7zRmJIbIZhMFm1QW+IerQU1hdPwvcmEFmwKTc2MJpln xvY8AB+fiwwlUmUvQPVvvPjbsQwE0JhnAPz0Hdim8Eal6yoE9y7vTZ7xY g==; X-IronPort-AV: E=McAfee;i="6500,9779,10464"; a="297166486" X-IronPort-AV: E=Sophos;i="5.93,300,1654585200"; d="scan'208";a="297166486" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Sep 2022 06:29:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,300,1654585200"; d="scan'208";a="943343367" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga005.fm.intel.com with ESMTP; 08 Sep 2022 06:29:04 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id EACED57F; Thu, 8 Sep 2022 16:29:12 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Hans de Goede , "Rafael J. Wysocki" , Ard Biesheuvel , 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 v2 5/8] i2c: mlxbf: Refactor _UID handling to use acpi_dev_uid_to_integer() Date: Thu, 8 Sep 2022 16:29:07 +0300 Message-Id: <20220908132910.62122-6-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220908132910.62122-1-andriy.shevchenko@linux.intel.com> References: <20220908132910.62122-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-efi@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 Reviewed-by: Hans de Goede Acked-by: Wolfram Sang --- 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)