From patchwork Mon Nov 20 14:41:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 745511 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="e4ZMUp0S" Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 04FEDED; Mon, 20 Nov 2023 06:46:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1700491610; x=1732027610; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Q74ZR11NZl+PRDfKRQssfNbi5b3tAivgbT0UCKwiVes=; b=e4ZMUp0SWsh6cXIuvQxGNtcR+5dGR24P4geXs1z7GkFcWxbMZsrGPBhT tEb1PDcN7w8SByl1FL3jXLmhmpKLXXQlG6baGHU+sIbteujqsesVZJ4JC orai+iUwI7MotMGAGI+NdIA3UtDyVrzHzRPP8mRY5lqOePgOPVsvsS6v/ cnQgy59ySrCr3bMs9Y2SvPwUKCe2bfG/QN81SffG7Bzyu5hIHXI+wIy+G Lk5UPcqBpCYap0JY/LxJaCA4/nqNCAz0nnr5pwOGgxwGGh7OSNVcztsmo VBFsjlIm1EfoGaHdqLnnVDovHfpP/hsyoZYWb9miQmWZr1IAI4YArvr0Z g==; X-IronPort-AV: E=McAfee;i="6600,9927,10900"; a="455956424" X-IronPort-AV: E=Sophos;i="6.04,214,1695711600"; d="scan'208";a="455956424" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Nov 2023 06:46:48 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10900"; a="801193124" X-IronPort-AV: E=Sophos;i="6.04,214,1695711600"; d="scan'208";a="801193124" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga001.jf.intel.com with ESMTP; 20 Nov 2023 06:46:45 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 2E61568; Mon, 20 Nov 2023 16:46:44 +0200 (EET) From: Andy Shevchenko To: Mario Limonciello , Jarkko Nikula , 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 Subject: [PATCH v4 01/24] i2c: designware: Fix PM calls order in dw_i2c_plat_probe() Date: Mon, 20 Nov 2023 16:41:43 +0200 Message-ID: <20231120144641.1660574-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.43.0.rc1.1.gbec44491f096 In-Reply-To: <20231120144641.1660574-1-andriy.shevchenko@linux.intel.com> References: <20231120144641.1660574-1-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 PM ops to become managed one. Signed-off-by: Andy Shevchenko --- drivers/i2c/busses/i2c-designware-platdrv.c | 26 ++++++++++++++------- 1 file changed, 17 insertions(+), 9 deletions(-) diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 855b698e99c0..fd3cd65f9c88 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -177,14 +177,26 @@ static int txgbe_i2c_request_regs(struct dw_i2c_dev *dev) return 0; } -static void dw_i2c_plat_pm_cleanup(struct dw_i2c_dev *dev) +static void dw_i2c_plat_pm_cleanup(void *data) { + struct dw_i2c_dev *dev = data; + pm_runtime_disable(dev->dev); if (dev->shared_with_punit) pm_runtime_put_noidle(dev->dev); } +static int dw_i2c_plat_pm_setup(struct dw_i2c_dev *dev) +{ + if (dev->shared_with_punit) + pm_runtime_get_noresume(dev->dev); + + pm_runtime_enable(dev->dev); + + return devm_add_action_or_reset(dev->dev, dw_i2c_plat_pm_cleanup, dev); +} + static int dw_i2c_plat_request_regs(struct dw_i2c_dev *dev) { struct platform_device *pdev = to_platform_device(dev->dev); @@ -381,19 +393,16 @@ static int dw_i2c_plat_probe(struct platform_device *pdev) pm_runtime_use_autosuspend(&pdev->dev); pm_runtime_set_active(&pdev->dev); - if (dev->shared_with_punit) - pm_runtime_get_noresume(&pdev->dev); - - pm_runtime_enable(&pdev->dev); + ret = dw_i2c_plat_pm_setup(dev); + if (ret) + goto exit_reset; ret = i2c_dw_probe(dev); if (ret) - goto exit_probe; + goto exit_reset; return ret; -exit_probe: - dw_i2c_plat_pm_cleanup(dev); exit_reset: reset_control_assert(dev->rst); return ret; @@ -411,7 +420,6 @@ static void dw_i2c_plat_remove(struct platform_device *pdev) pm_runtime_dont_use_autosuspend(&pdev->dev); pm_runtime_put_sync(&pdev->dev); - dw_i2c_plat_pm_cleanup(dev); i2c_dw_remove_lock_support(dev);