From patchwork Tue May 28 14:28:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Charles Keepax X-Patchwork-Id: 10965077 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EC9B492A for ; Tue, 28 May 2019 14:29:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DB1651FE95 for ; Tue, 28 May 2019 14:29:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CF11E1FFFE; Tue, 28 May 2019 14:29:25 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 69D191FE95 for ; Tue, 28 May 2019 14:29:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726418AbfE1O3Y (ORCPT ); Tue, 28 May 2019 10:29:24 -0400 Received: from mx0b-001ae601.pphosted.com ([67.231.152.168]:32804 "EHLO mx0b-001ae601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726371AbfE1O3Y (ORCPT ); Tue, 28 May 2019 10:29:24 -0400 Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x4SEOm1L028654; Tue, 28 May 2019 09:29:02 -0500 Authentication-Results: ppops.net; spf=none smtp.mailfrom=ckeepax@opensource.cirrus.com Received: from mail3.cirrus.com ([87.246.76.56]) by mx0b-001ae601.pphosted.com with ESMTP id 2sq24q3d7r-1; Tue, 28 May 2019 09:29:01 -0500 Received: from EDIEX02.ad.cirrus.com (ediex02.ad.cirrus.com [198.61.84.81]) by mail3.cirrus.com (Postfix) with ESMTP id A49FB61429A9; Tue, 28 May 2019 09:29:42 -0500 (CDT) Received: from EDIEX01.ad.cirrus.com (198.61.84.80) by EDIEX02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1591.10; Tue, 28 May 2019 15:29:00 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by EDIEX01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.1.1591.10 via Frontend Transport; Tue, 28 May 2019 15:29:00 +0100 Received: from algalon.ad.cirrus.com (algalon.ad.cirrus.com [198.90.251.122]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 7832B2A1; Tue, 28 May 2019 15:29:00 +0100 (BST) From: Charles Keepax To: , CC: , , , , , , , Subject: [PATCH v3 3/6] i2c: acpi: Factor out getting the IRQ from ACPI Date: Tue, 28 May 2019 15:28:57 +0100 Message-ID: <20190528142900.24147-3-ckeepax@opensource.cirrus.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20190528142900.24147-1-ckeepax@opensource.cirrus.com> References: <20190528142900.24147-1-ckeepax@opensource.cirrus.com> MIME-Version: 1.0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=930 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1905280094 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In preparation for future refactoring factor out the fetch of the IRQ into its own helper function. Signed-off-by: Charles Keepax Reviewed-by: Mika Westerberg --- Changes since v2: - Don't consider zero to be a valid IRQ number Thanks, Charles drivers/i2c/i2c-core-acpi.c | 33 +++++++++++++++++++++------------ 1 file changed, 21 insertions(+), 12 deletions(-) diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index bc82b44f85860..c107f260e252f 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -148,14 +148,30 @@ static int i2c_acpi_add_resource(struct acpi_resource *ares, void *data) return 1; /* No need to add resource to the list */ } +static int i2c_acpi_get_irq(struct acpi_device *adev) +{ + struct list_head resource_list; + int irq = -ENOENT; + int ret; + + INIT_LIST_HEAD(&resource_list); + + ret = acpi_dev_get_resources(adev, &resource_list, + i2c_acpi_add_resource, &irq); + if (ret < 0) + return -EINVAL; + + acpi_dev_free_resource_list(&resource_list); + + return irq; +} + static int i2c_acpi_get_info(struct acpi_device *adev, struct i2c_board_info *info, struct i2c_adapter *adapter, acpi_handle *adapter_handle) { - struct list_head resource_list; struct i2c_acpi_lookup lookup; - int irq = -ENOENT; int ret; memset(&lookup, 0, sizeof(lookup)); @@ -186,16 +202,9 @@ static int i2c_acpi_get_info(struct acpi_device *adev, *adapter_handle = lookup.adapter_handle; /* Then fill IRQ number if any */ - INIT_LIST_HEAD(&resource_list); - ret = acpi_dev_get_resources(adev, &resource_list, - i2c_acpi_add_resource, &irq); - if (ret < 0) - return -EINVAL; - - if (irq > 0) - info->irq = irq; - - acpi_dev_free_resource_list(&resource_list); + ret = i2c_acpi_get_irq(adev); + if (ret > 0) + info->irq = ret; acpi_set_modalias(adev, dev_name(&adev->dev), info->type, sizeof(info->type));