From patchwork Mon Nov 26 15:08:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 1003291 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.intel.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 433Vj70wm5z9s3q for ; Tue, 27 Nov 2018 02:10:35 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726203AbeK0CEv (ORCPT ); Mon, 26 Nov 2018 21:04:51 -0500 Received: from mga04.intel.com ([192.55.52.120]:17817 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726654AbeK0CD0 (ORCPT ); Mon, 26 Nov 2018 21:03:26 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2018 07:09:02 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,282,1539673200"; d="scan'208";a="94173104" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga006.jf.intel.com with ESMTP; 26 Nov 2018 07:08:59 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 9B9A7212; Mon, 26 Nov 2018 17:08:58 +0200 (EET) From: Andy Shevchenko To: Darren Hart , platform-driver-x86@vger.kernel.org, "Rafael J. Wysocki" , linux-acpi@vger.kernel.org, Jonathan Cameron , Wolfram Sang , Mika Westerberg , linux-i2c@vger.kernel.org, Hans de Goede , Heikki Krogerus , linux-kernel@vger.kernel.org Cc: Andy Shevchenko Subject: [PATCH v2 02/13] platform/x86: intel_cht_int33fe: Accept errors of i2c_acpi_new_device() Date: Mon, 26 Nov 2018 17:08:47 +0200 Message-Id: <20181126150858.16901-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181126150858.16901-1-andriy.shevchenko@linux.intel.com> References: <20181126150858.16901-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org In the future i2c_acpi_new_device() will return error pointer in some cases. Prepare intel_cht_int33fe driver to support that. Signed-off-by: Andy Shevchenko Reviewed-by: Hans de Goede --- drivers/platform/x86/intel_cht_int33fe.c | 28 +++++++++++++++++++----- 1 file changed, 23 insertions(+), 5 deletions(-) diff --git a/drivers/platform/x86/intel_cht_int33fe.c b/drivers/platform/x86/intel_cht_int33fe.c index 431151d4e611..367d6e304ade 100644 --- a/drivers/platform/x86/intel_cht_int33fe.c +++ b/drivers/platform/x86/intel_cht_int33fe.c @@ -168,8 +168,14 @@ static int cht_int33fe_probe(struct platform_device *pdev) board_info.dev_name = "max17047"; board_info.properties = max17047_props; data->max17047 = i2c_acpi_new_device(dev, 1, &board_info); - if (!data->max17047) - return -EPROBE_DEFER; /* Wait for i2c-adapter to load */ + if (IS_ERR(data->max17047)) + ret = PTR_ERR(data->max17047); + else if (!data->max17047) + ret = -EPROBE_DEFER; /* Wait for i2c-adapter to load */ + else + ret = 0; + if (ret) + return ret; } data->connections[0].endpoint[0] = "port0"; @@ -194,7 +200,13 @@ static int cht_int33fe_probe(struct platform_device *pdev) board_info.irq = fusb302_irq; data->fusb302 = i2c_acpi_new_device(dev, 2, &board_info); - if (!data->fusb302) + if (IS_ERR(data->fusb302)) + ret = PTR_ERR(data->fusb302); + else if (!data->fusb302) + ret = -EPROBE_DEFER; /* Wait for the i2c-adapter to load */ + else + ret = 0; + if (ret) goto out_unregister_max17047; memset(&board_info, 0, sizeof(board_info)); @@ -202,7 +214,13 @@ static int cht_int33fe_probe(struct platform_device *pdev) strlcpy(board_info.type, "pi3usb30532", I2C_NAME_SIZE); data->pi3usb30532 = i2c_acpi_new_device(dev, 3, &board_info); - if (!data->pi3usb30532) + if (IS_ERR(data->pi3usb30532)) + ret = PTR_ERR(data->pi3usb30532); + else if (!data->pi3usb30532) + ret = -EPROBE_DEFER; /* Wait for the i2c-adapter to load */ + else + ret = 0; + if (ret) goto out_unregister_fusb302; platform_set_drvdata(pdev, data); @@ -217,7 +235,7 @@ static int cht_int33fe_probe(struct platform_device *pdev) device_connections_remove(data->connections); - return -EPROBE_DEFER; /* Wait for the i2c-adapter to load */ + return ret; } static int cht_int33fe_remove(struct platform_device *pdev)