From patchwork Fri Nov 10 18:11:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 743633 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 sv.mirrors.kernel.org (sv.mirrors.kernel.org [139.178.88.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B9578C4167B for ; Fri, 10 Nov 2023 18:31:34 +0000 (UTC) Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 780FB28108D for ; Fri, 10 Nov 2023 18:31:34 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 19E033A293; Fri, 10 Nov 2023 18:31:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="RsK4Aog9" Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 72C403A29E for ; Fri, 10 Nov 2023 18:31:32 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 28EEC1288FE; Fri, 10 Nov 2023 10:31:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1699641063; x=1731177063; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=So8kYJoKij+VCNKaGUL34AujAf1NZ1x9lxbojhvLPXI=; b=RsK4Aog9zMwUU+woRGZ+AdPBuQl6F3QgfwgzLEryLxv6Fz4ZMpasgxJc fAZY6IN0iiw5mTQU2cmKur7zx8BxDhXP8p5F4+DlbwHIjwieNMy6cukhN F9C3qv7pPViKyHURwcU/nVqyuAgfq9zkPX/qMVdP9amgXef3HfC2uFhQd kIJ7L4FvMgTnF6rl518aZb4fqxHw6G1GaEG21bBGTkxAVwKnyFqq6Uor9 X753nvHDj2HUvCvO0wGWPLeR9VFuBDemBiEqRGQB4dlm2HUcdv+jSJv7W pZBtAWE+QVgTyUP0HzeoiGeEk8KVBIRHV48xYBKpfl4dpDQgHfC/cnVFi A==; X-IronPort-AV: E=McAfee;i="6600,9927,10890"; a="456715051" X-IronPort-AV: E=Sophos;i="6.03,291,1694761200"; d="scan'208";a="456715051" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2023 10:29:39 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10890"; a="763808231" X-IronPort-AV: E=Sophos;i="6.03,291,1694761200"; d="scan'208";a="763808231" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga002.jf.intel.com with ESMTP; 10 Nov 2023 10:29:36 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 9068C7E7; Fri, 10 Nov 2023 20:23:07 +0200 (EET) From: Andy Shevchenko To: Jarkko Nikula , Mario Limonciello , Herbert Xu , Andy Shevchenko , Wolfram Sang , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Mika Westerberg , Jan Dabros , Andi Shyti , Philipp Zabel , Hans de Goede Subject: [PATCH v3 05/25] i2c: designware: Fix lock probe call order in dw_i2c_plat_probe() Date: Fri, 10 Nov 2023 20:11:25 +0200 Message-ID: <20231110182304.3894319-6-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.43.0.rc1.1.gbec44491f096 In-Reply-To: <20231110182304.3894319-1-andriy.shevchenko@linux.intel.com> References: <20231110182304.3894319-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 We should not mix managed calls with non-managed. This will break the calls order at the error path and ->remove() stages. Fix this by wrapping lock probe to become managed one. Fixes: 78d5e9e299e3 ("i2c: designware: Add AMD PSP I2C bus support") Signed-off-by: Andy Shevchenko --- drivers/i2c/busses/i2c-designware-platdrv.c | 24 ++++++++++----------- 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 648fb84e574d..63cc3cdca2c7 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -243,6 +243,17 @@ static const struct i2c_dw_semaphore_callbacks i2c_dw_semaphore_cb_table[] = { {} }; +static void i2c_dw_remove_lock_support(void *data) +{ + struct dw_i2c_dev *dev = data; + + if (dev->semaphore_idx < 0) + return; + + if (i2c_dw_semaphore_cb_table[dev->semaphore_idx].remove) + i2c_dw_semaphore_cb_table[dev->semaphore_idx].remove(dev); +} + static int i2c_dw_probe_lock_support(struct dw_i2c_dev *dev) { const struct i2c_dw_semaphore_callbacks *ptr; @@ -273,16 +284,7 @@ static int i2c_dw_probe_lock_support(struct dw_i2c_dev *dev) break; } - return 0; -} - -static void i2c_dw_remove_lock_support(struct dw_i2c_dev *dev) -{ - if (dev->semaphore_idx < 0) - return; - - if (i2c_dw_semaphore_cb_table[dev->semaphore_idx].remove) - i2c_dw_semaphore_cb_table[dev->semaphore_idx].remove(dev); + return devm_add_action_or_reset(dev->dev, i2c_dw_remove_lock_support, dev); } static void dw_i2c_plat_assert_reset(void *data) @@ -428,8 +430,6 @@ static void dw_i2c_plat_remove(struct platform_device *pdev) pm_runtime_dont_use_autosuspend(&pdev->dev); pm_runtime_put_sync(&pdev->dev); - - i2c_dw_remove_lock_support(dev); } static int dw_i2c_plat_prepare(struct device *dev)