From patchwork Thu May 4 11:35:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 1776852 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=2620:137:e000::1:20; helo=out1.vger.email; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=collabora.com header.i=@collabora.com header.a=rsa-sha256 header.s=mail header.b=Cyu4RsQ5; dkim-atps=neutral Received: from out1.vger.email (out1.vger.email [IPv6:2620:137:e000::1:20]) by legolas.ozlabs.org (Postfix) with ESMTP id 4QBsF64jlKz20fg for ; Thu, 4 May 2023 21:35:22 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229585AbjEDLfT (ORCPT ); Thu, 4 May 2023 07:35:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51746 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229482AbjEDLfS (ORCPT ); Thu, 4 May 2023 07:35:18 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E2B12448F; Thu, 4 May 2023 04:35:17 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (unknown [IPv6:2001:b07:2ed:14ed:c5f8:7372:f042:90a2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id A117F66031D7; Thu, 4 May 2023 12:35:15 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1683200116; bh=1NMvcGiXphJ8FhyetkrltYkSY2U0NjU1T6zPshhG/DI=; h=From:To:Cc:Subject:Date:From; b=Cyu4RsQ5vbnTn1GOCVrF9dpVrpJ2iP4P5L2sHjYetT6uTK9OohIFOkKk+5TaAmTSw WKYfxpcLiZBqlOcuHG59K4ltBDH3yR/QrzROBvAyqIHOIYpZ5hDwbrBYjuBEWeioSx yAHlYQdbIuxFMBX/yt/HeaMWPfoYUOx94OEb24SVWCk26MhHnswfqzLeD6pVROYac8 65zOPsnSK1g6ZNo7YWEaUpXvfJ5VLvI+JdOkgg1fu+6YP6Pshss1/Z70R3MQX+TrBr 7p5GsAkgwckBnC51XzIRGXxA38Z2iZw7X/EKq0xM2XhSG3ubc5UDtGJ68q4t2QP9Zb tsQPqnPBY8VeA== From: AngeloGioacchino Del Regno To: ryder.lee@mediatek.com Cc: jianjun.wang@mediatek.com, lpieralisi@kernel.org, kw@linux.com, robh@kernel.org, bhelgaas@google.com, p.zabel@pengutronix.de, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, linux-pci@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 0/2] MediaTek PCIe Gen3: Suspend fixes Date: Thu, 4 May 2023 13:35:07 +0200 Message-Id: <20230504113509.184633-1-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org This series fixes PM suspend/resume for MediaTek PCIe Gen3, seen on the MT8195 Tomato Chromebook, which would deadlock at resume. Tested on a MT8195 Tomato Chromebook. AngeloGioacchino Del Regno (2): PCI: mediatek-gen3: Stop acquiring spinlocks in {suspend,resume}_noirq PCI: mediatek-gen3: Assert MAC reset only if PHY reset also present drivers/pci/controller/pcie-mediatek-gen3.c | 33 +++++++++++---------- 1 file changed, 17 insertions(+), 16 deletions(-)