From patchwork Fri Feb 7 12:47:55 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q3PDs2vDoXMgQmVuY2U=?= X-Patchwork-Id: 13964949 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 0D7F9C0219C for ; Fri, 7 Feb 2025 12:49:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=BCu/ryqDczot25TDMnKcJhaUWntHdW2uO8lsXLpQ4VQ=; b=duBDxGUUabeMMa EXc1Eieg38r6FzTSEWWymI9BmbiRSJf0wNOEtqvtcL0vDAqbFJcUfLEp5RsrBg16/w4B6Sn2Qg5W8 sQL+2o0fVjt/B80jqr4ECpE+B4aiOjalX08f7KPE3rnugS45gZyCCfeDXW6y7WrBTrMnR3kNW3jHR oxf8+kry+2DglCBHXGs5U1bLN9AoYrvgetwBKa2y1KNlPpukAYnAuaBen6UOGAqCATOMOfFH+hsCv oaU7WFK50vg9xq+Z7xH9zhbDCLvgsNomFGs58ulZ5m5z/b2tHb0zCtWGMsXWQ2Y6piZxPivY2bWN8 P43IXGa3pc6SrbXSLsYw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tgNna-00000009ZML-285p; Fri, 07 Feb 2025 12:49:34 +0000 Received: from fw2.prolan.hu ([193.68.50.107]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tgNmB-00000009YtE-1ABu for linux-arm-kernel@lists.infradead.org; Fri, 07 Feb 2025 12:48:08 +0000 Received: from proxmox-mailgw.intranet.prolan.hu (localhost.localdomain [127.0.0.1]) by proxmox-mailgw.intranet.prolan.hu (Proxmox) with ESMTP id 9D100A037B; Fri, 7 Feb 2025 13:48:05 +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:message-id:mime-version:reply-to:subject:subject:to :to; s=mail; bh=BCu/ryqDczot25TDMnKcJhaUWntHdW2uO8lsXLpQ4VQ=; b= BytzGPT360C98IhBFxeTx3NOwsyn+LLjSv0HyYRHltnx/CHg6fMAUgNUP0g/vhjs HJxPAeodhFy0B9L8D+VPCYnu98rFe4cKHSX/pojtKyvogse4DqFFAbg51iZ2Jup5 uIxAv+GAjZemdhK5q5MI/MPNV7WbWu1fyaoPYgvY6svrrFaBp0nRadftitN00V5D pzR5HEXN65zo1P+kvq0W5U7nf6H8KYekVzRcB8DAYKyDC0q9SdChzmib9RP2W9EF Hjq/LD2nIqLG5a4Q0+oThW6llaY4XNGwZvFLuVeonmW/LKGf3ztbwQF86bU1w2ED wmdGDqj9mMFWbvbAVzr77z75vqzYYAbFqPy9iAvdB+GCvSPsPU+wtvC6yGdtLwJI y8BkaR6EFSwIqjbZSUsmqlDSH9EIyqGuWDOp6+jRRvddW/TY0Z/ncsWqzfX0Ckry QSAQ7jIvcO96yTxLPoTddO2EAZcNQIKRvcCbUSYLvoKz/+2KphB+qP3TyvMh4fmT 26DbUX/oORlbm50fgAzvDeZ3Yd7CIqen5uEGq3CfegZacs6yVTjjLMfVScpOAcus TE6BU59rVCQ1HTxjXJxUthHBY7RTKe92xlAAO6xfmM9Tqgb6iRBkXfljpFvsXwTM 8axDWRciHBAbucV/68S2oTKfum+ucJ5A8Nd7pygzZYk= From: =?utf-8?b?QmVuY2UgQ3PDs2vDoXM=?= To: Subject: [PATCH for-6.14 v3 0/4] Add more devm_ functions to simplify probe path in drivers/spi/atmel-quadspi.c Date: Fri, 7 Feb 2025 13:47:55 +0100 Message-ID: <20250207124802.165408-1-csokas.bence@prolan.hu> X-Mailer: git-send-email 2.48.1 MIME-Version: 1.0 X-ESET-AS: R=OK;S=0;OP=CALC;TIME=1738932485;VERSION=7985;MC=412144077;ID=401531;TRN=0;CRV=0;IPC=;SP=0;SIPS=0;PI=3;F=0 X-ESET-Antispam: OK X-EsetResult: clean, is OK X-EsetId: 37303A29ACD94852617560 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250207_044807_470088_F6DB4C8B X-CRM114-Status: UNSURE ( 9.53 ) X-CRM114-Notice: Please train this message. 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: , Cc: Len Brown , Alexandre Belloni , Tudor Ambarus , linux-kernel@vger.kernel.org, "Rafael J . Wysocki" , Alexander Dahl , Greg Kroah-Hartman , linux-pm@vger.kernel.org, Claudiu Beznea , dmaengine@vger.kernel.org, Vinod Koul , Mark Brown , linux-arm-kernel@lists.infradead.org, Pavel Machek , Varshini Rajendran , linux-spi@vger.kernel.org, =?utf-8?b?QmVuY2UgQ3PDs2vDoXM=?= Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The probe function of the atmel-quadspi driver got quite convoluted, especially since the addition of SAMA7G5 support, that was forward-ported from an older vendor kernel. To alleivate this - and similar problems in the future - an effort was made to migrate as many functions as possible, to their devm_ managed counterparts. The few functions, which did not yet have a devm_ variant, are added in patch 1 and 2 of this series. Patch 3 and 4 then use these APIs to simplify and fix the probe() function. Patch 4 in particular, fixes a bug present in 6.14-rc1, where the PM get() and put() calls were imbalanced. Links to previous versions: pre-series: https://lore.kernel.org/linux-kernel/20241222141427.819222-1-csokas.bence@prolan.hu/ https://lore.kernel.org/linux-kernel/20250114222851.1023194-1-csokas.bence@prolan.hu/ v1: https://lore.kernel.org/linux-kernel/20250115160244.1102881-1-csokas.bence@prolan.hu/ v2: https://lore.kernel.org/linux-kernel/20250124085221.766303-8-csokas.bence@prolan.hu/ Bence Csókás (4): dma: Add devm_dma_request_chan() pm: runtime: Add new devm functions spi: atmel-quadspi: Use `devm_dma_request_chan()` spi: atmel-quadspi: Fix unbalanced pm_runtime by using devm_ API drivers/base/power/runtime.c | 36 +++++++++++++++++++++ drivers/dma/dmaengine.c | 30 +++++++++++++++++ drivers/spi/atmel-quadspi.c | 62 ++++++++++-------------------------- include/linux/dmaengine.h | 7 ++++ include/linux/pm_runtime.h | 4 +++ 5 files changed, 93 insertions(+), 46 deletions(-) base-commit: bb066fe812d6fb3a9d01c073d9f1e2fd5a63403b