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 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 C7EA4CFA447 for ; Thu, 20 Nov 2025 21:38:17 +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:Cc:To: Content-Transfer-Encoding:Content-Type:MIME-Version:Message-Id:Date:Subject: 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=unGCkgZmf/HqvwCuFgjzx70sB0VBpzAGijF87J/9a9c=; b=BBm1Iw3ETjmkF2 wXbJwvfOlaty0btpLGkq8OgpShAtHUC2ZSQcRNRqOU13jE1x7oOecdKG0b5T4cRdrgrc2NY17HrZH rqpyoPRZ7kv79A2HTY8NTYZnKp3PanJbPRuHUr5rW4Z1tZv8b2yZaCAhjPjQE43dgD+tvTWcRYTnT QrA7pPdxXUq4QyLDiP2iSCMgUq2mngoa138ApZ7irrshPXb7xOUgHveJxv80BS2oWkSGuFNTsSi2y ir84JjGvW1JDnDuLOVOlLpNICm79Zaq2QfkGv5fWq2EgoUToC+mOuDYkE+6G+uVpXHct6UhtGRsiD u6PSbXhFsANpsd7FlX0Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vMCM0-00000007THa-0Hc1; Thu, 20 Nov 2025 21:38:12 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vMCLw-00000007TGB-2PFC; Thu, 20 Nov 2025 21:38:10 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id DDF9741777; Thu, 20 Nov 2025 21:38:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9663FC4CEF1; Thu, 20 Nov 2025 21:38:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763674687; bh=1BDDDcVfQtzBnr9L2D6gF5aeR5iOya1diUp8Au6Msz8=; h=From:Subject:Date:To:Cc:From; b=TEKNWEBve0Af7iv+D+r2cjg8t39cHgEp/e4h8iGuhn6PEXxAxKOAqVOLUeQuFgs/R AABGkFDCupa5inaB0D3LjwtLEL6FCqq0d9dCL3RoqHyy/yyZATGDY/r6EK74QqnuPs W16eY18FLTHtVgnxk+4cjBydylYhlgJ8SkbuC413ejZqKlWyimMiJ1Wy7szLd+l1wi +we/M9dEHvAwn8lOY7SMajQHtCtR2774deExwCvLx+mpdl/dbsuCv5YsZg1v+p7GaE goah48ru70strcOzI3F1GL48XLUarBBWWLjz5h62cs6XOVS7+PnFJj0SiYTtOE+VFJ Wa7P/jSsVYrWQ== From: "Rob Herring (Arm)" Subject: [PATCH v2 0/3] at91: Remove of_platform_default_populate() calls Date: Thu, 20 Nov 2025 15:37:49 -0600 Message-Id: <20251120-at91-probe-v2-0-8c8592f02e8e@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAC2KH2kC/x3MQQqAIBBA0avIrBN0oMCuEi00x5qNikYE4t2Tl m/xf4NKhanCKhoUerhyigM4CTguG0+S7IcBFc5ao5L2NlrmkhxJVMEdZOzitYMR5EKB33+27b1 /PW8rqFwAAAA= X-Change-ID: 20251120-at91-probe-20fbce9a6d1b To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea , Russell King Cc: linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.15-dev X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251120_133809_391728_A6E208B8 X-CRM114-Status: UNSURE ( 8.70 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This is another attempt at removing of_platform_default_populate() calls on at91 platforms. The last attempts were in 2018[1] and 2023[2]. The problems reported are PM and NAND failures. Both of these depend on SRAM pool which doesn't have any fw_devlink tracking. Also, the PM code is not a driver, so fw_devlink wouldn't help. For the NAND driver, we can simply defer probe. For the PM init, we can move it to the .late_init hook. Rob [1] https://lore.kernel.org/all/20180712192222.32481-1-robh@kernel.org/ [2] https://lore.kernel.org/all/3908fa6f-dc33-4aac-c21f-4a676a3a6b23@microchip.com/ Signed-off-by: Rob Herring (Arm) --- Rob Herring (1): ARM: at91: Move PM init functions to .init_late hook Rob Herring (Arm) (2): mtd: nand: atmel: Defer probe if SRAM is missing ARM: at91: remove unnecessary of_platform_default_populate calls arch/arm/mach-at91/at91rm9200.c | 12 +----------- arch/arm/mach-at91/at91sam9.c | 12 +----------- arch/arm/mach-at91/sam9x60.c | 12 +----------- arch/arm/mach-at91/sam9x7.c | 12 +----------- arch/arm/mach-at91/sama5.c | 21 +++------------------ arch/arm/mach-at91/sama7.c | 11 +---------- drivers/mtd/nand/raw/atmel/nand-controller.c | 2 +- 7 files changed, 9 insertions(+), 73 deletions(-) --- base-commit: 3a8660878839faadb4f1a6dd72c3179c1df56787 change-id: 20251120-at91-probe-20fbce9a6d1b Best regards, -- Rob Herring (Arm)