From patchwork Mon Mar 17 09:34:43 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?QmVuY2UgQ3PDs2vDoXM=?= X-Patchwork-Id: 14019032 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 983E5C282EC for ; Mon, 17 Mar 2025 09:41:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=kNhLXI+/riZgGlyun993ceq6nIOh5kKXKpw5hxNT8to=; b=agNETb6lCyPyCs9HrBY4YwspAa 3moH9NL3tHdjg/M53uwMU87k8EwrTL2CMJQNVE4bo/26BD/VyV5Jik4Mw6uroXJYpJ1fpdtCUGGw2 YcuGnOfWOssIvxUzsdsg8jGBpn3eUuSr3rD5e7xeTyHTgkaCKLoVNG/w7h0LpKqWcWYuIDB5V29Dp kv/312qVJwzju5OS4mbJwipue2yx0PmjNWUfTcJa8NPiFGv1S/b61SErNud/KoliP0nd4nhG2UsQo UPLZo5oDi2fUFGjP6apnOWtpGA48YLcB2QnrLqdfILiU49ebOCZv0fvQReXes8OAnvO07I/6nUPOW SzKEJEBw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tu6yP-00000001yVL-0z1t; Mon, 17 Mar 2025 09:41:29 +0000 Received: from fw2.prolan.hu ([193.68.50.107]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tu6sE-00000001wtZ-2yPn for linux-arm-kernel@lists.infradead.org; Mon, 17 Mar 2025 09:35:09 +0000 Received: from proxmox-mailgw.intranet.prolan.hu (localhost.localdomain [127.0.0.1]) by proxmox-mailgw.intranet.prolan.hu (Proxmox) with ESMTP id 9F7E4A03CE; Mon, 17 Mar 2025 10:34:56 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=prolan.hu; h=cc :cc:content-transfer-encoding:content-type:content-type:date :from:from:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to; s=mail; bh=kNhLXI+/riZgGlyun993 ceq6nIOh5kKXKpw5hxNT8to=; b=tFKrITnzbpzNEXu4W5eCBaP/V0hPvuMOE7P4 RX5s6EqoZIcDfyJovFkfu1oO/Njvf3KkERfUJIxglIB+RMmiiSqNl3GUP/LIWZFV aeLNCdwF0mti8rwQG/P3K50tG4QLg7UJh2jWSw3a0BUCeU0LFyYGaxiTdqlE55aE f3aYazNQg81NyYhNMKcRsgeuYg6cUxns3uDgKm2uRSt4DiQbDVpKNOCG4Vw0eoib AWW5fus1jdLQ3byAvTSx/MZcq9vNn8L/v90h1PSkTKlcsr+wTyChhSuo7A5rh+Hj 1L16fZanqMlO7YgCCiWQkaGZBR2QeqVudXuDdK9PQeo90+DwlJj6NfhBXSs6B6te RLX3xU/XMbNYbgZ8g+TG5kUwW6JGuc5GYnHWhjfeY6WiOUt2/2TVkkZFXmdLltwS 5Yh/8+gt2Ky2sGujcyd8XQac7rOiuJsrduXlSkzW/DwebIKqMfdooDszIj5LDebb XXQB6TSjV2sfql8dqYXpFSLTRHJXRlHDTZruJifEcONPe/pqjeeti5GkqLUxtxCL oTg48RqS96mXvGRuCnXXn+UAZQXMDF0OM02kC7kQ/JY3kxvqYtH69ha+2BJM/a3+ srVxDPvCo9JiMtF6Jwyze6Pqjdpl4mUTzb56IQ8ReJgOmmCvRctMlw6xkJzTTdAm hEO0aVs= From: =?utf-8?b?QmVuY2UgQ3PDs2vDoXM=?= To: , , =?utf-8?b?Q3PDs2vDoXMsIEJlbmNl?= , "Varshini Rajendran" , Tudor Ambarus , Mark Brown , , CC: "Rafael J. Wysocki" , Len Brown , Pavel Machek , Greg Kroah-Hartman , Danilo Krummrich , Alexander Dahl , "Nicolas Ferre" , Alexandre Belloni , Claudiu Beznea Subject: [PATCH v5 2/2] spi: atmel-quadspi: Fix unbalanced pm_runtime by using devm_ API Date: Mon, 17 Mar 2025 10:34:43 +0100 Message-ID: <20250317093445.361821-3-csokas.bence@prolan.hu> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250317093445.361821-1-csokas.bence@prolan.hu> References: <20250317093445.361821-1-csokas.bence@prolan.hu> MIME-Version: 1.0 X-ESET-AS: R=OK;S=0;OP=CALC;TIME=1742204096;VERSION=7986;MC=3178520588;ID=162301;TRN=0;CRV=0;IPC=;SP=0;SIPS=0;PI=3;F=0 X-ESET-Antispam: OK X-EsetResult: clean, is OK X-EsetId: 37303A2980D948526D7462 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250317_023507_212895_41FB0631 X-CRM114-Status: GOOD ( 10.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Fix unbalanced PM in error path of `atmel_qspi_probe()` by using `devm_pm_runtime_*()` functions. Reported-by: Alexander Dahl Closes: https://lore.kernel.org/linux-spi/20250110-paycheck-irregular-bcddab1276c7@thorsis.com/ Fixes: 5af42209a4d2 ("spi: atmel-quadspi: Add support for sama7g5 QSPI") Signed-off-by: Bence Csókás --- drivers/spi/atmel-quadspi.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c index d8c9be64d006..ddd12600a6f1 100644 --- a/drivers/spi/atmel-quadspi.c +++ b/drivers/spi/atmel-quadspi.c @@ -1439,22 +1439,18 @@ static int atmel_qspi_probe(struct platform_device *pdev) pm_runtime_set_autosuspend_delay(&pdev->dev, 500); pm_runtime_use_autosuspend(&pdev->dev); - pm_runtime_set_active(&pdev->dev); - pm_runtime_enable(&pdev->dev); - pm_runtime_get_noresume(&pdev->dev); + devm_pm_runtime_set_active(&pdev->dev); + devm_pm_runtime_enable(&pdev->dev); + devm_pm_runtime_get_noresume(&pdev->dev); err = atmel_qspi_init(aq); if (err) goto dma_release; err = spi_register_controller(ctrl); - if (err) { - pm_runtime_put_noidle(&pdev->dev); - pm_runtime_disable(&pdev->dev); - pm_runtime_set_suspended(&pdev->dev); - pm_runtime_dont_use_autosuspend(&pdev->dev); + if (err) goto dma_release; - } + pm_runtime_mark_last_busy(&pdev->dev); pm_runtime_put_autosuspend(&pdev->dev); @@ -1533,10 +1529,6 @@ static void atmel_qspi_remove(struct platform_device *pdev) */ dev_warn(&pdev->dev, "Failed to resume device on remove\n"); } - - pm_runtime_disable(&pdev->dev); - pm_runtime_dont_use_autosuspend(&pdev->dev); - pm_runtime_put_noidle(&pdev->dev); } static int __maybe_unused atmel_qspi_suspend(struct device *dev)