From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2ED00CDB482 for ; Wed, 18 Oct 2023 14:36:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345833AbjJROgU (ORCPT ); Wed, 18 Oct 2023 10:36:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345731AbjJROfu (ORCPT ); Wed, 18 Oct 2023 10:35:50 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F2111726; Wed, 18 Oct 2023 07:14:36 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0D291C4339A; Wed, 18 Oct 2023 14:14:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1697638475; bh=gN8cYZmzrmw4cPbabJxCr1aTBAHsKK25MwdgN88SNnI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bkbBPjk4BD4hguzqyG4fWu1prnOqJ/34iGA94SFiLt7XifqalgbxdRTzbgZeD4eoV nLKTXLcZzzhxH420lwkk08UylbdAb4oRPe8/vyxEpAs085L3z8HffF1FhaZpP6UBOj JHAXEfJE9u0+6OOYg4C6EkJqFP8Cdion7WkxYf4EDB1lWDtAstdULBj2NC4TSYfaCh 2zkf4HPARUOmgVA53vWeeFwH0w+Qbqt8RND1jnHOWqytdHFkF2jGlTxFr450X61Wni Yd9Vyg/jm7qrt/m++AinsWfwD8bFu3eGxR7ZlGf1tYUy+XWPtR7a3GakrgOpDK9lv4 74o5zB682C5Fg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Zhang Shurong , Linus Walleij , Vinod Koul , Sasha Levin , linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org Subject: [PATCH AUTOSEL 5.15 09/14] dmaengine: ste_dma40: Fix PM disable depth imbalance in d40_probe Date: Wed, 18 Oct 2023 10:14:09 -0400 Message-Id: <20231018141416.1335165-9-sashal@kernel.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20231018141416.1335165-1-sashal@kernel.org> References: <20231018141416.1335165-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.15.135 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Zhang Shurong [ Upstream commit 0618c077a8c20e8c81e367988f70f7e32bb5a717 ] The pm_runtime_enable will increase power disable depth. Thus a pairing decrement is needed on the error handling path to keep it balanced according to context. We fix it by calling pm_runtime_disable when error returns. Signed-off-by: Zhang Shurong Reviewed-by: Linus Walleij Link: https://lore.kernel.org/r/tencent_DD2D371DB5925B4B602B1E1D0A5FA88F1208@qq.com Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/dma/ste_dma40.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index cb6b0e9ed5adc..0e9cb01682647 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -3697,6 +3697,7 @@ static int __init d40_probe(struct platform_device *pdev) regulator_disable(base->lcpa_regulator); regulator_put(base->lcpa_regulator); } + pm_runtime_disable(base->dev); kfree(base->lcla_pool.alloc_map); kfree(base->lookup_log_chans); -- 2.40.1