From patchwork Mon Nov 26 15:08:46 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 10698457 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 27378109C for ; Mon, 26 Nov 2018 15:09:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1854429D2A for ; Mon, 26 Nov 2018 15:09:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0CCBB29D3F; Mon, 26 Nov 2018 15:09:50 +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=unavailable 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 00E0929D2A for ; Mon, 26 Nov 2018 15:09:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726348AbeK0CEF (ORCPT ); Mon, 26 Nov 2018 21:04:05 -0500 Received: from mga07.intel.com ([134.134.136.100]:25969 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727097AbeK0CDb (ORCPT ); Mon, 26 Nov 2018 21:03:31 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2018 07:09:08 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,282,1539673200"; d="scan'208";a="103314745" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga003.jf.intel.com with ESMTP; 26 Nov 2018 07:09:02 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 8D43CD1; 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 01/13] platform/x86: intel_cht_int33fe: Remove duplicate NULL check Date: Mon, 26 Nov 2018 17:08:46 +0200 Message-Id: <20181126150858.16901-2-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-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Since i2c_unregister_device() became NULL-aware we may remove duplicate NULL check. Signed-off-by: Andy Shevchenko Reviewed-by: Hans de Goede --- drivers/platform/x86/intel_cht_int33fe.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/platform/x86/intel_cht_int33fe.c b/drivers/platform/x86/intel_cht_int33fe.c index 464fe93657b5..431151d4e611 100644 --- a/drivers/platform/x86/intel_cht_int33fe.c +++ b/drivers/platform/x86/intel_cht_int33fe.c @@ -213,8 +213,7 @@ static int cht_int33fe_probe(struct platform_device *pdev) i2c_unregister_device(data->fusb302); out_unregister_max17047: - if (data->max17047) - i2c_unregister_device(data->max17047); + i2c_unregister_device(data->max17047); device_connections_remove(data->connections); @@ -227,8 +226,7 @@ static int cht_int33fe_remove(struct platform_device *pdev) i2c_unregister_device(data->pi3usb30532); i2c_unregister_device(data->fusb302); - if (data->max17047) - i2c_unregister_device(data->max17047); + i2c_unregister_device(data->max17047); device_connections_remove(data->connections); 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: 10698493 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 390971803 for ; Mon, 26 Nov 2018 15:10:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2B6F929D93 for ; Mon, 26 Nov 2018 15:10:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1F85829D4C; Mon, 26 Nov 2018 15:10:31 +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=unavailable 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 BC7FF29D93 for ; Mon, 26 Nov 2018 15:10:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727484AbeK0CEv (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-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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) From patchwork Mon Nov 26 15:08:48 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 10698479 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 6ED3718A7 for ; Mon, 26 Nov 2018 15:10:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5EB8329D40 for ; Mon, 26 Nov 2018 15:10:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 528A629D35; Mon, 26 Nov 2018 15:10:19 +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 4159529D77 for ; Mon, 26 Nov 2018 15:10:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726987AbeK0CD1 (ORCPT ); Mon, 26 Nov 2018 21:03:27 -0500 Received: from mga17.intel.com ([192.55.52.151]:40719 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726603AbeK0CD1 (ORCPT ); Mon, 26 Nov 2018 21:03:27 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga107.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="284519566" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga006.fm.intel.com with ESMTP; 26 Nov 2018 07:08:59 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id AC71D22D; 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 03/13] platform/x86: i2c-multi-instantiate: Accept errors of i2c_acpi_new_device() Date: Mon, 26 Nov 2018 17:08:48 +0200 Message-Id: <20181126150858.16901-4-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-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In the future i2c_acpi_new_device() will return error pointer in some cases. Prepare i2c-multi-instantiate driver to support that. Signed-off-by: Andy Shevchenko Reviewed-by: Hans de Goede --- drivers/platform/x86/i2c-multi-instantiate.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c index 5456581b473c..e3345da82c84 100644 --- a/drivers/platform/x86/i2c-multi-instantiate.c +++ b/drivers/platform/x86/i2c-multi-instantiate.c @@ -72,9 +72,14 @@ static int i2c_multi_inst_probe(struct platform_device *pdev) board_info.irq = ret; } multi->clients[i] = i2c_acpi_new_device(dev, i, &board_info); - if (!multi->clients[i]) { - dev_err(dev, "Error creating i2c-client, idx %d\n", i); + if (IS_ERR(multi->clients[i])) + ret = PTR_ERR(multi->clients[i]); + else if (!multi->clients[i]) ret = -ENODEV; + else + ret = 0; + if (ret) { + dev_err(dev, "Error creating i2c-client, idx %d\n", i); goto error; } } From patchwork Mon Nov 26 15:08:49 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 10698485 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 754661803 for ; Mon, 26 Nov 2018 15:10:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 67D3229D9D for ; Mon, 26 Nov 2018 15:10:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5C7F429D62; Mon, 26 Nov 2018 15:10:28 +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=unavailable 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 0E26329DC7 for ; Mon, 26 Nov 2018 15:10:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727212AbeK0CEn (ORCPT ); Mon, 26 Nov 2018 21:04:43 -0500 Received: from mga12.intel.com ([192.55.52.136]:39074 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726701AbeK0CD0 (ORCPT ); Mon, 26 Nov 2018 21:03:26 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2018 07:09:03 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,282,1539673200"; d="scan'208";a="111521768" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga001.jf.intel.com with ESMTP; 26 Nov 2018 07:08:59 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id B994932B; 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 04/13] platform/x86: i2c-mutli-instantiate: Defer probe when no adapter found Date: Mon, 26 Nov 2018 17:08:49 +0200 Message-Id: <20181126150858.16901-5-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-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Likewise the rest of the i2c_acpi_new_device() users, defer the probe of the i2c-multi-intantiate driver in case adapter is not yet found. Signed-off-by: Andy Shevchenko Reviewed-by: Hans de Goede --- drivers/platform/x86/i2c-multi-instantiate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c index e3345da82c84..16a0eabe1e31 100644 --- a/drivers/platform/x86/i2c-multi-instantiate.c +++ b/drivers/platform/x86/i2c-multi-instantiate.c @@ -75,7 +75,7 @@ static int i2c_multi_inst_probe(struct platform_device *pdev) if (IS_ERR(multi->clients[i])) ret = PTR_ERR(multi->clients[i]); else if (!multi->clients[i]) - ret = -ENODEV; + ret = -EPROBE_DEFER; /* Wait for i2c-adapter to load */ else ret = 0; if (ret) { From patchwork Mon Nov 26 15:08:50 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 10698471 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 AA43318A7 for ; Mon, 26 Nov 2018 15:10:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9BC4629D2A for ; Mon, 26 Nov 2018 15:10:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8F27929D2F; Mon, 26 Nov 2018 15:10:04 +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=unavailable 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 437BA29D2A for ; Mon, 26 Nov 2018 15:10:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726944AbeK0CEV (ORCPT ); Mon, 26 Nov 2018 21:04:21 -0500 Received: from mga17.intel.com ([192.55.52.151]:40719 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727028AbeK0CDa (ORCPT ); Mon, 26 Nov 2018 21:03:30 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2018 07:09:05 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,282,1539673200"; d="scan'208";a="90385145" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga008.fm.intel.com with ESMTP; 26 Nov 2018 07:09:03 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id C65AA546; 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 05/13] i2c: acpi: Return error pointers from i2c_acpi_new_device() Date: Mon, 26 Nov 2018 17:08:50 +0200 Message-Id: <20181126150858.16901-6-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-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The caller would like to know the reason why the i2c_acpi_new_device() fails. For example, if adapter is not available, it might be in the future and we would like to re-probe the clients again. But at the same time we would like to bail out if the error seems unrecoverable, such as out of memory condition. To achieve this, return error pointer in some cases. Signed-off-by: Andy Shevchenko Reviewed-by: Hans de Goede --- drivers/i2c/i2c-core-acpi.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 32affd3fa8bd..af4b5bd5d973 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -387,6 +387,7 @@ struct notifier_block i2c_acpi_notifier = { * Also see i2c_new_device, which this function calls to create the i2c-client. * * Returns a pointer to the new i2c-client, or NULL if the adapter is not found. + * In some cases might return an error pointer. */ struct i2c_client *i2c_acpi_new_device(struct device *dev, int index, struct i2c_board_info *info) @@ -399,7 +400,7 @@ struct i2c_client *i2c_acpi_new_device(struct device *dev, int index, adev = ACPI_COMPANION(dev); if (!adev) - return NULL; + return ERR_PTR(-ENODEV); memset(&lookup, 0, sizeof(lookup)); lookup.info = info; @@ -409,9 +410,11 @@ struct i2c_client *i2c_acpi_new_device(struct device *dev, int index, ret = acpi_dev_get_resources(adev, &resource_list, i2c_acpi_fill_info, &lookup); acpi_dev_free_resource_list(&resource_list); + if (ret < 0) + return ERR_PTR(ret); - if (ret < 0 || !info->addr) - return NULL; + if (!info->addr) + return ERR_PTR(-EADDRNOTAVAIL); adapter = i2c_acpi_find_adapter_by_handle(lookup.adapter_handle); if (!adapter) From patchwork Mon Nov 26 15:08:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 10698465 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 A7D941803 for ; Mon, 26 Nov 2018 15:09:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9858C29D2B for ; Mon, 26 Nov 2018 15:09:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8CE1E29D2F; Mon, 26 Nov 2018 15:09:56 +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 3AECA29D2A for ; Mon, 26 Nov 2018 15:09:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727150AbeK0CDa (ORCPT ); Mon, 26 Nov 2018 21:03:30 -0500 Received: from mga07.intel.com ([134.134.136.100]:25969 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727082AbeK0CD3 (ORCPT ); Mon, 26 Nov 2018 21:03:29 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2018 07:09:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,282,1539673200"; d="scan'208";a="108595763" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga002.fm.intel.com with ESMTP; 26 Nov 2018 07:09:03 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id D28D5591; 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 06/13] i2c: acpi: Use ACPI_FAILURE instead of !ACPI_SUCCESS Date: Mon, 26 Nov 2018 17:08:51 +0200 Message-Id: <20181126150858.16901-7-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-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Convert to use ACPI_FAILURE instead of !ACPI_SUCCESS. Signed-off-by: Andy Shevchenko Reviewed-by: Hans de Goede Acked-by: Mika Westerberg --- drivers/i2c/i2c-core-acpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index af4b5bd5d973..287a5e4b3d30 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -65,7 +65,7 @@ static int i2c_acpi_fill_info(struct acpi_resource *ares, void *data) status = acpi_get_handle(lookup->device_handle, sb->resource_source.string_ptr, &lookup->adapter_handle); - if (!ACPI_SUCCESS(status)) + if (ACPI_FAILURE(status)) return 1; info->addr = sb->slave_address; From patchwork Mon Nov 26 15:08:52 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 10698451 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 78DEE109C for ; Mon, 26 Nov 2018 15:09:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 67C8A29D2A for ; Mon, 26 Nov 2018 15:09:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 58FA229D36; Mon, 26 Nov 2018 15:09:43 +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 4E49029D2A for ; Mon, 26 Nov 2018 15:09:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726916AbeK0CD7 (ORCPT ); Mon, 26 Nov 2018 21:03:59 -0500 Received: from mga12.intel.com ([192.55.52.136]:39074 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726603AbeK0CDb (ORCPT ); Mon, 26 Nov 2018 21:03:31 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2018 07:09:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,282,1539673200"; d="scan'208";a="111521788" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga001.jf.intel.com with ESMTP; 26 Nov 2018 07:09:03 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id DF3706BB; 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 07/13] i2c: acpi: Introduce i2c_acpi_get_i2c_resource() helper Date: Mon, 26 Nov 2018 17:08:52 +0200 Message-Id: <20181126150858.16901-8-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-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Besides current two users one more is coming. Definitely makes sense to introduce a helper. No functional change intended. Signed-off-by: Andy Shevchenko Reviewed-by: Hans de Goede --- drivers/i2c/i2c-core-acpi.c | 31 +++++++++++++++++++------------ include/linux/acpi.h | 11 +++++++++++ 2 files changed, 30 insertions(+), 12 deletions(-) diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 287a5e4b3d30..b43f535d264b 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -45,6 +45,23 @@ struct i2c_acpi_lookup { u32 min_speed; }; +bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, + struct acpi_resource_i2c_serialbus **i2c) +{ + struct acpi_resource_i2c_serialbus *sb; + + if (ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) + return false; + + sb = &ares->data.i2c_serial_bus; + if (sb->type != ACPI_RESOURCE_SERIAL_TYPE_I2C) + return false; + + *i2c = sb; + return true; +} +EXPORT_SYMBOL_GPL(i2c_acpi_get_i2c_resource); + static int i2c_acpi_fill_info(struct acpi_resource *ares, void *data) { struct i2c_acpi_lookup *lookup = data; @@ -52,11 +69,7 @@ static int i2c_acpi_fill_info(struct acpi_resource *ares, void *data) struct acpi_resource_i2c_serialbus *sb; acpi_status status; - if (info->addr || ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) - return 1; - - sb = &ares->data.i2c_serial_bus; - if (sb->type != ACPI_RESOURCE_SERIAL_TYPE_I2C) + if (info->addr || !i2c_acpi_get_i2c_resource(ares, &sb)) return 1; if (lookup->index != -1 && lookup->n++ != lookup->index) @@ -528,13 +541,7 @@ i2c_acpi_space_handler(u32 function, acpi_physical_address command, goto err; } - if (!value64 || ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) { - ret = AE_BAD_PARAMETER; - goto err; - } - - sb = &ares->data.i2c_serial_bus; - if (sb->type != ACPI_RESOURCE_SERIAL_TYPE_I2C) { + if (!value64 || !i2c_acpi_get_i2c_resource(ares, &sb)) { ret = AE_BAD_PARAMETER; goto err; } diff --git a/include/linux/acpi.h b/include/linux/acpi.h index ed80f147bd50..6afc6e3c4c5c 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -1054,6 +1054,17 @@ static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) } #endif +#if defined(CONFIG_ACPI) && IS_ENABLED(CONFIG_I2C) +bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, + struct acpi_resource_i2c_serialbus **i2c); +#else +static inline bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, + struct acpi_resource_i2c_serialbus **i2c) +{ + return false; +} +#endif + /* Device properties */ #ifdef CONFIG_ACPI From patchwork Mon Nov 26 15:08:53 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 10698447 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 9BC74109C for ; Mon, 26 Nov 2018 15:09:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8C0FF29D2F for ; Mon, 26 Nov 2018 15:09:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8088F29D3F; Mon, 26 Nov 2018 15:09:33 +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 2573F29D2F for ; Mon, 26 Nov 2018 15:09:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727270AbeK0CDn (ORCPT ); Mon, 26 Nov 2018 21:03:43 -0500 Received: from mga07.intel.com ([134.134.136.100]:25978 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727192AbeK0CDb (ORCPT ); Mon, 26 Nov 2018 21:03:31 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2018 07:09:08 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,282,1539673200"; d="scan'208";a="103314771" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga003.jf.intel.com with ESMTP; 26 Nov 2018 07:09:03 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id F0E8D747; 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 08/13] platform/x86: i2c-multi-instantiate: Count I2cSerialBus() resources Date: Mon, 26 Nov 2018 17:08:53 +0200 Message-Id: <20181126150858.16901-9-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-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Instead of relying on hard coded and thus expected number of I2C clients, count the real amount provided by firmware. This allows to support non-fixed amount of the slaves. Signed-off-by: Andy Shevchenko Reviewed-by: Hans de Goede --- drivers/platform/x86/i2c-multi-instantiate.c | 41 ++++++++++++++++++-- 1 file changed, 37 insertions(+), 4 deletions(-) diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c index 16a0eabe1e31..2a405867bbc6 100644 --- a/drivers/platform/x86/i2c-multi-instantiate.c +++ b/drivers/platform/x86/i2c-multi-instantiate.c @@ -12,6 +12,7 @@ #include #include #include +#include struct i2c_inst_data { const char *type; @@ -23,6 +24,31 @@ struct i2c_multi_inst_data { struct i2c_client *clients[0]; }; +static int i2c_multi_inst_count(struct acpi_resource *ares, void *data) +{ + struct acpi_resource_i2c_serialbus *sb; + int *count = data; + + if (i2c_acpi_get_i2c_resource(ares, &sb)) + *count = *count + 1; + + return 1; +} + +static int i2c_multi_inst_count_resources(struct acpi_device *adev) +{ + LIST_HEAD(r); + int count = 0; + int ret; + + ret = acpi_dev_get_resources(adev, &r, i2c_multi_inst_count, &count); + if (ret < 0) + return ret; + + acpi_dev_free_resource_list(&r); + return count; +} + static int i2c_multi_inst_probe(struct platform_device *pdev) { struct i2c_multi_inst_data *multi; @@ -44,17 +70,19 @@ static int i2c_multi_inst_probe(struct platform_device *pdev) adev = ACPI_COMPANION(dev); /* Count number of clients to instantiate */ - for (i = 0; inst_data[i].type; i++) {} + ret = i2c_multi_inst_count_resources(adev); + if (ret < 0) + return ret; multi = devm_kmalloc(dev, - offsetof(struct i2c_multi_inst_data, clients[i]), + offsetof(struct i2c_multi_inst_data, clients[ret]), GFP_KERNEL); if (!multi) return -ENOMEM; - multi->num_clients = i; + multi->num_clients = ret; - for (i = 0; i < multi->num_clients; i++) { + for (i = 0; i < multi->num_clients && inst_data[i].type; i++) { memset(&board_info, 0, sizeof(board_info)); strlcpy(board_info.type, inst_data[i].type, I2C_NAME_SIZE); snprintf(name, sizeof(name), "%s-%s", match->id, @@ -83,6 +111,11 @@ static int i2c_multi_inst_probe(struct platform_device *pdev) goto error; } } + if (i < multi->num_clients) { + dev_err(dev, "Error finding driver, idx %d\n", i); + ret = -ENODEV; + goto error; + } platform_set_drvdata(pdev, multi); return 0; From patchwork Mon Nov 26 15:08:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 10698463 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 00CF9109C for ; Mon, 26 Nov 2018 15:09:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E354729D2A for ; Mon, 26 Nov 2018 15:09:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D6E2A29D2F; Mon, 26 Nov 2018 15:09:55 +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 7F07429D2A for ; Mon, 26 Nov 2018 15:09:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727170AbeK0CDa (ORCPT ); Mon, 26 Nov 2018 21:03:30 -0500 Received: from mga12.intel.com ([192.55.52.136]:39074 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727040AbeK0CD3 (ORCPT ); Mon, 26 Nov 2018 21:03:29 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2018 07:09:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,282,1539673200"; d="scan'208";a="99386807" Received: from black.fi.intel.com ([10.237.72.28]) by FMSMGA003.fm.intel.com with ESMTP; 26 Nov 2018 07:09:03 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 0EBD27A8; Mon, 26 Nov 2018 17:08:59 +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 09/13] platform/x86: i2c-multi-instantiate: Distinguish IRQ resource type Date: Mon, 26 Nov 2018 17:08:54 +0200 Message-Id: <20181126150858.16901-10-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-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As a preparatory patch switch the driver to distinguish IRQ resource type. For now, only GpioInt() is supported. Signed-off-by: Andy Shevchenko Reviewed-by: Hans de Goede --- drivers/platform/x86/i2c-multi-instantiate.c | 27 +++++++++++++------- 1 file changed, 18 insertions(+), 9 deletions(-) diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c index 2a405867bbc6..1faecc99e0a6 100644 --- a/drivers/platform/x86/i2c-multi-instantiate.c +++ b/drivers/platform/x86/i2c-multi-instantiate.c @@ -7,6 +7,7 @@ */ #include +#include #include #include #include @@ -14,9 +15,14 @@ #include #include +#define IRQ_RESOURCE_TYPE GENMASK(1, 0) +#define IRQ_RESOURCE_NONE 0 +#define IRQ_RESOURCE_GPIO 1 + struct i2c_inst_data { const char *type; - int gpio_irq_idx; + unsigned int flags; + int irq_idx; }; struct i2c_multi_inst_data { @@ -88,16 +94,19 @@ static int i2c_multi_inst_probe(struct platform_device *pdev) snprintf(name, sizeof(name), "%s-%s", match->id, inst_data[i].type); board_info.dev_name = name; - board_info.irq = 0; - if (inst_data[i].gpio_irq_idx != -1) { - ret = acpi_dev_gpio_irq_get(adev, - inst_data[i].gpio_irq_idx); + switch (inst_data[i].flags & IRQ_RESOURCE_TYPE) { + case IRQ_RESOURCE_GPIO: + ret = acpi_dev_gpio_irq_get(adev, inst_data[i].irq_idx); if (ret < 0) { dev_err(dev, "Error requesting irq at index %d: %d\n", - inst_data[i].gpio_irq_idx, ret); + inst_data[i].irq_idx, ret); goto error; } board_info.irq = ret; + break; + default: + board_info.irq = 0; + break; } multi->clients[i] = i2c_acpi_new_device(dev, i, &board_info); if (IS_ERR(multi->clients[i])) @@ -139,9 +148,9 @@ static int i2c_multi_inst_remove(struct platform_device *pdev) } static const struct i2c_inst_data bsg1160_data[] = { - { "bmc150_accel", 0 }, - { "bmc150_magn", -1 }, - { "bmg160", -1 }, + { "bmc150_accel", IRQ_RESOURCE_GPIO, 0 }, + { "bmc150_magn" }, + { "bmg160" }, {} }; From patchwork Mon Nov 26 15:08:55 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 10698477 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 9D49918B8 for ; Mon, 26 Nov 2018 15:10:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8AA9829D2B for ; Mon, 26 Nov 2018 15:10:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7E09B29D2F; Mon, 26 Nov 2018 15:10:06 +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=unavailable 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 3710929D41 for ; Mon, 26 Nov 2018 15:10:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727111AbeK0CDa (ORCPT ); Mon, 26 Nov 2018 21:03:30 -0500 Received: from mga12.intel.com ([192.55.52.136]:39090 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727097AbeK0CD3 (ORCPT ); Mon, 26 Nov 2018 21:03:29 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2018 07:09:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,282,1539673200"; d="scan'208";a="111521790" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga001.jf.intel.com with ESMTP; 26 Nov 2018 07:09:03 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 1C6F87C6; Mon, 26 Nov 2018 17:08:59 +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 10/13] platform/x86: i2c-multi-instantiate: Introduce IOAPIC IRQ support Date: Mon, 26 Nov 2018 17:08:55 +0200 Message-Id: <20181126150858.16901-11-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-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP If ACPI table provides an Interrupt() resource we may consider to use it instead of GpioInt() one. Here we leave an error condition, when getting IRQ resource, to the driver to decide how to proceed, because some drivers may consider IRQ resource optional. Signed-off-by: Andy Shevchenko Reviewed-by: Hans de Goede --- drivers/platform/x86/i2c-multi-instantiate.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c index 1faecc99e0a6..2110f2e4aa1a 100644 --- a/drivers/platform/x86/i2c-multi-instantiate.c +++ b/drivers/platform/x86/i2c-multi-instantiate.c @@ -18,6 +18,7 @@ #define IRQ_RESOURCE_TYPE GENMASK(1, 0) #define IRQ_RESOURCE_NONE 0 #define IRQ_RESOURCE_GPIO 1 +#define IRQ_RESOURCE_APIC 2 struct i2c_inst_data { const char *type; @@ -104,6 +105,14 @@ static int i2c_multi_inst_probe(struct platform_device *pdev) } board_info.irq = ret; break; + case IRQ_RESOURCE_APIC: + ret = platform_get_irq(pdev, inst_data[i].irq_idx); + if (ret < 0) { + dev_dbg(dev, "Error requesting irq at index %d: %d\n", + inst_data[i].irq_idx, ret); + } + board_info.irq = ret; + break; default: board_info.irq = 0; break; From patchwork Mon Nov 26 15:08:56 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 10698459 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 07C4718A7 for ; Mon, 26 Nov 2018 15:09:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EC97E29D2B for ; Mon, 26 Nov 2018 15:09:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E0E5629D2F; Mon, 26 Nov 2018 15:09:53 +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 87D3129D2A for ; Mon, 26 Nov 2018 15:09:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727171AbeK0CDb (ORCPT ); Mon, 26 Nov 2018 21:03:31 -0500 Received: from mga07.intel.com ([134.134.136.100]:25969 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727100AbeK0CDa (ORCPT ); Mon, 26 Nov 2018 21:03:30 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2018 07:09:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,282,1539673200"; d="scan'208";a="108595768" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga002.fm.intel.com with ESMTP; 26 Nov 2018 07:09:03 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 297ED81C; Mon, 26 Nov 2018 17:08:59 +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 11/13] platform/x86: i2c-multi-instantiate: Allow to have same slaves Date: Mon, 26 Nov 2018 17:08:56 +0200 Message-Id: <20181126150858.16901-12-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-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Currently the driver will not enumerate the devices where I2C slaves are of the same type. Add an instance number to make them unique. Signed-off-by: Andy Shevchenko Reviewed-by: Hans de Goede --- drivers/platform/x86/i2c-multi-instantiate.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c index 2110f2e4aa1a..d184833bfd05 100644 --- a/drivers/platform/x86/i2c-multi-instantiate.c +++ b/drivers/platform/x86/i2c-multi-instantiate.c @@ -92,8 +92,8 @@ static int i2c_multi_inst_probe(struct platform_device *pdev) for (i = 0; i < multi->num_clients && inst_data[i].type; i++) { memset(&board_info, 0, sizeof(board_info)); strlcpy(board_info.type, inst_data[i].type, I2C_NAME_SIZE); - snprintf(name, sizeof(name), "%s-%s", match->id, - inst_data[i].type); + snprintf(name, sizeof(name), "%s-%s.%d", match->id, + inst_data[i].type, i); board_info.dev_name = name; switch (inst_data[i].flags & IRQ_RESOURCE_TYPE) { case IRQ_RESOURCE_GPIO: From patchwork Mon Nov 26 15:08:57 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 10698445 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 DD84D109C for ; Mon, 26 Nov 2018 15:09:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CED5829D2F for ; Mon, 26 Nov 2018 15:09:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C28A029D36; Mon, 26 Nov 2018 15:09:31 +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=unavailable 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 729D829D2F for ; Mon, 26 Nov 2018 15:09:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727309AbeK0CDr (ORCPT ); Mon, 26 Nov 2018 21:03:47 -0500 Received: from mga01.intel.com ([192.55.52.88]:57910 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727192AbeK0CDr (ORCPT ); Mon, 26 Nov 2018 21:03:47 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2018 07:09:07 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,282,1539673200"; d="scan'208";a="92275438" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga007.jf.intel.com with ESMTP; 26 Nov 2018 07:09:03 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 3612D82A; Mon, 26 Nov 2018 17:08:59 +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 12/13] ACPI / scan: Create platform device for INT3515 ACPI nodes Date: Mon, 26 Nov 2018 17:08:57 +0200 Message-Id: <20181126150858.16901-13-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-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The ACPI device with INT3515 _HID is representing a complex USB PD hardware infrastructure which includes several I2C slave ICs. We add an ID to the I2C multi instantiate list to enumerate all I2C slaves correctly. Signed-off-by: Andy Shevchenko Reviewed-by: Hans de Goede --- drivers/acpi/scan.c | 1 + drivers/platform/x86/i2c-multi-instantiate.c | 9 +++++++++ drivers/usb/typec/tps6598x.c | 8 ++++---- 3 files changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index bd1c59fb0e17..e9eda5558c1f 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1541,6 +1541,7 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) static const struct acpi_device_id i2c_multi_instantiate_ids[] = { {"BSG1160", }, {"INT33FE", }, + {"INT3515", }, {} }; diff --git a/drivers/platform/x86/i2c-multi-instantiate.c b/drivers/platform/x86/i2c-multi-instantiate.c index d184833bfd05..ab50dda6062a 100644 --- a/drivers/platform/x86/i2c-multi-instantiate.c +++ b/drivers/platform/x86/i2c-multi-instantiate.c @@ -163,12 +163,21 @@ static const struct i2c_inst_data bsg1160_data[] = { {} }; +static const struct i2c_inst_data int3515_data[] = { + { "tps6598x", IRQ_RESOURCE_APIC, 0 }, + { "tps6598x", IRQ_RESOURCE_APIC, 1 }, + { "tps6598x", IRQ_RESOURCE_APIC, 2 }, + { "tps6598x", IRQ_RESOURCE_APIC, 3 }, + {} +}; + /* * Note new device-ids must also be added to i2c_multi_instantiate_ids in * drivers/acpi/scan.c: acpi_device_enumeration_by_parent(). */ static const struct acpi_device_id i2c_multi_inst_acpi_ids[] = { { "BSG1160", (unsigned long)bsg1160_data }, + { "INT3515", (unsigned long)int3515_data }, { } }; MODULE_DEVICE_TABLE(acpi, i2c_multi_inst_acpi_ids); diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c index c84c8c189e90..1c0033ad8738 100644 --- a/drivers/usb/typec/tps6598x.c +++ b/drivers/usb/typec/tps6598x.c @@ -501,19 +501,19 @@ static int tps6598x_remove(struct i2c_client *client) return 0; } -static const struct acpi_device_id tps6598x_acpi_match[] = { - { "INT3515", 0 }, +static const struct i2c_device_id tps6598x_id[] = { + { "tps6598x" }, { } }; -MODULE_DEVICE_TABLE(acpi, tps6598x_acpi_match); +MODULE_DEVICE_TABLE(i2c, tps6598x_id); static struct i2c_driver tps6598x_i2c_driver = { .driver = { .name = "tps6598x", - .acpi_match_table = tps6598x_acpi_match, }, .probe_new = tps6598x_probe, .remove = tps6598x_remove, + .id_table = tps6598x_id, }; module_i2c_driver(tps6598x_i2c_driver); From patchwork Mon Nov 26 15:08:58 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 10698439 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 0EC3E109C for ; Mon, 26 Nov 2018 15:09:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F264429D2A for ; Mon, 26 Nov 2018 15:09:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E636829D35; Mon, 26 Nov 2018 15:09:18 +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 9965229D2A for ; Mon, 26 Nov 2018 15:09:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727268AbeK0CDe (ORCPT ); Mon, 26 Nov 2018 21:03:34 -0500 Received: from mga17.intel.com ([192.55.52.151]:40719 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727241AbeK0CDc (ORCPT ); Mon, 26 Nov 2018 21:03:32 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Nov 2018 07:09:08 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,282,1539673200"; d="scan'208";a="90385747" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga008.fm.intel.com with ESMTP; 26 Nov 2018 07:09:06 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 420B483B; Mon, 26 Nov 2018 17:08:59 +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 13/13] iio: inv_mpu6050: Use i2c_acpi_get_i2c_resource() helper Date: Mon, 26 Nov 2018 17:08:58 +0200 Message-Id: <20181126150858.16901-14-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-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP ACPI provides a generic helper to get I2C Serial Bus resources. Use it instead of open coded variant. Signed-off-by: Andy Shevchenko Reviewed-by: Hans de Goede --- drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c index d78a10403bac..a961b5a06fe6 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c @@ -91,18 +91,14 @@ static int asus_acpi_get_sensor_info(struct acpi_device *adev, static int acpi_i2c_check_resource(struct acpi_resource *ares, void *data) { + struct acpi_resource_i2c_serialbus *sb; u32 *addr = data; - if (ares->type == ACPI_RESOURCE_TYPE_SERIAL_BUS) { - struct acpi_resource_i2c_serialbus *sb; - - sb = &ares->data.i2c_serial_bus; - if (sb->type == ACPI_RESOURCE_SERIAL_TYPE_I2C) { - if (*addr) - *addr |= (sb->slave_address << 16); - else - *addr = sb->slave_address; - } + if (i2c_acpi_get_i2c_resource(ares, &sb)) { + if (*addr) + *addr |= (sb->slave_address << 16); + else + *addr = sb->slave_address; } /* Tell the ACPI core that we already copied this address */