From patchwork Wed Jun 19 10:15:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Thomas Richard X-Patchwork-Id: 13703627 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 99C19C2BA1A for ; Wed, 19 Jun 2024 10:15:49 +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=FQCg7ZLsvGDRPgsO29VZPaQFDsB2sckQAqQKVR+hlT8=; b=W/ZH/jY6uXmgFl AFQRKHAUSgJ1ozdLAhB1LrQS5FrGp0kAvwrhkoKB28giq+74gV/I+2WeglrE8aKM98CHii6UD38iM bY7sqFp6vWbeUJyUMhUnX/d+4NDV521zk1BiG98uvyo/bMtE2bFPHrVXRrZ9Ok188/MEjxBDbiZF9 hHVjasZsBmRaoOJfCwkrbJ9YdKkar9/17FCj/+pLJ7p2nEOsvcxDEvWpdRQyPCRnGZYACaukETq9P PwNmz6DslJ6DzUmwdcgXFfi3SRmimfMBLCT2HHvQ/nPpMa9eRfaR9LNBZzoPl9PN+WS0Ox/jAdzqr SPZIfKb9GDl4+eB+LuBQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sJsLq-00000000khb-14ri; Wed, 19 Jun 2024 10:15:38 +0000 Received: from relay4-d.mail.gandi.net ([217.70.183.196]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sJsLh-00000000kcv-3ZIf for linux-arm-kernel@lists.infradead.org; Wed, 19 Jun 2024 10:15:32 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id 9157CE0004; Wed, 19 Jun 2024 10:15:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1718792125; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=FQCg7ZLsvGDRPgsO29VZPaQFDsB2sckQAqQKVR+hlT8=; b=dohXgO9b9n8BNyf6kX/KWV99QZlenLSjwYpTmQimpV1gCUd8Dgkdnnjp+DWnwVkJJnpvyx Cvq5WnsiOrq7853+XJTdNqkj5VKsDOBmrgflQ6rsSU+of7pXp6EQIkEbft5+5OObXi+LMS bRviNZkZf6qMz7z5OKKebcVPCMJtUbC7ty2pe1wF/3fAlVpdxFQfLm/Fgjsy8Em7xxtFcY QyShmSPU+pwy9bBsZklCgu/wB82fq0pFOcQVjljEQvWwjZ9Iu2dHhFINMKsTsHMpEQtaXG 50Xmec1YZwCZ/PjNvOHDt1rJ4tA9t8p4RjoTmdNWi2x/st09kxtxBO8PVwFldg== From: Thomas Richard Subject: [PATCH v7 0/7] Add suspend to ram support for PCIe on J7200 Date: Wed, 19 Jun 2024 12:15:08 +0200 Message-Id: <20240102-j7200-pcie-s2r-v7-0-a2f9156da6c3@bootlin.com> MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAKyvcmYC/33Ny07EIBQG4FeZsBYDh1vryvcwLrgcLMYpE2gaz aTvLszONLL8z+X776RiSVjJy+VOCu6ppry2YJ4uxC92/UCaQssEGEjGGdBPA4zRm09IKxSK3nE 7mxmFMqQ9OVuRumJXv/S3q60blr64FYzp+9H09t7ykuqWy8+jeOd9+m/Hzimjk0SlglXthL26n LevtD77fCUd22EMQAdQRhMAJvRwBsQYEA1QHlBaEa3n8QzIMSAboCOPSoiZ+UmdATUGVAOkm7z UhvOA4QzoMaA7oJXGqFEHrf8Cx3H8AjpikcwMAgAA To: Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Rob Herring , Bjorn Helgaas , Vignesh Raghavendra , Siddharth Vadapalli Cc: gregory.clement@bootlin.com, theo.lebrun@bootlin.com, thomas.petazzoni@bootlin.com, u-kumar1@ti.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Thomas Richard , Francesco Dolcini X-Mailer: b4 0.12.0 X-GND-Sasl: thomas.richard@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240619_031530_228791_AA788B4A X-CRM114-Status: GOOD ( 19.24 ) 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 adds suspend to ram support for the PCIe (RC mode) on J7200 platform. In this 7th iteration, the i2c and mux patches were moved to dedicated series ([1] and [2]). The patch for the gpio-pca953x driver was removed. It will be sent separately for further testing and discussion. No merge conflict with 6.10-rc4. [1]: https://lore.kernel.org/all/20240613-i2c-omap-wakeup-controller-during-suspend-v1-0-aab001eb1ad1@bootlin.com/ [2]: https://lore.kernel.org/all/20240613-mux-mmio-resume-support-v1-0-4525bf56024a@bootlin.com/ Regards, Thomas Signed-off-by: Thomas Richard --- Changes in v7: - all: series rebased on Linux 6.10-rc4. - i2c: patches moved to a dedicated series. - mux: patches moved to a dedicated series. - gpio-pca953x: patch removed, will be sent separately. - Link to v6: https://lore.kernel.org/r/20240102-j7200-pcie-s2r-v6-0-4656ef6e6d66@bootlin.com Changes in v6: - i2c-omap: add a patch to remove __maybe_unused attribute of omap_i2c_runtime_suspend() and omap_i2c_runtime_resume() - i2c-omap: fix compile issue if CONFIG_PM_SLEEP is not set - Link to v5: https://lore.kernel.org/r/20240102-j7200-pcie-s2r-v5-0-4b8c46711ded@bootlin.com Changes in v5: - all: series rebased on Linux 6.9-rc1 - pinctrl-single: patch removed (already applied to the pinctrl tree) - phy: patches moved to a dedicated series. - pci: add T_PERST_CLK_US macro. - pci-j721e: update the comments about T_PERST_CLK_US. - Link to v4: https://lore.kernel.org/r/20240102-j7200-pcie-s2r-v4-0-6f1f53390c85@bootlin.com Changes in v4: - all: use SoB/Co-developed-by for patches initially developed by Théo Lebrun. - pinctrl-single: squash the two commits. - i2c-omap: fix line lenghts of the comment in omap_i2c_suspend(). - mux: mux_chip_resume() return 0 or at the first error. - phy-j721e-wiz: clean code around dev_err_probe(). - phy-j721e-wiz: use REF_CLK_100MHZ macros. - pci: fix subject line for all PCI patches. - pci-cadence: use fsleep() instead of usleep_range(). - pci-cadence: remove cdns_torrent_clk_cleanup() call in cdns_torrent_phy_resume_noirq(). - pci-j721e: add a patch to use dev_err_probe() instead of dev_err() in the probe(). - pci-j721e: fix unordered header files. - pci-j721e: remove some log spammers. - pci-j721e: add a missing clock disable in j721e_pcie_resume_noirq(). - pci-j721e: simplify the patch "Add reset GPIO to struct j721e_pcie" - Link to v3: https://lore.kernel.org/r/20240102-j7200-pcie-s2r-v3-0-5c2e4a3fac1f@bootlin.com Changes in v3: - pinctrl-single: split patch in two parts, a first patch to remove the dead code, a second to move suspend()/resume() callbacks to noirq. - i2c-omap: add a comments above the suspend_noirq() callback. - mux: now mux_chip_resume() try to restores all muxes, then return 0 if all is ok or the first failure. - mmio: fix commit message. - phy-j721e-wiz: add a patch to use dev_err_probe() instead of dev_err() in the wiz_clock_init() function. - phy-j721e-wiz: remove probe boolean for the wiz_clock_init(), rename the function to wiz_clock_probe(), extract hardware configuration part in a new function wiz_clock_init(). - phy-cadence-torrent: use dev_err_probe() and fix commit messages - pcie-cadence-host: remove probe boolean for the cdns_pcie_host_setup() function and extract the link setup part in a new function cdns_pcie_host_link_setup(). - pcie-cadence-host: make cdns_pcie_host_init() global. - pci-j721e: use the cdns_pcie_host_link_setup() cdns_pcie_host_init() functions in the resume_noirq() callback. - Link to v2: https://lore.kernel.org/r/20240102-j7200-pcie-s2r-v2-0-8e4f7d228ec2@bootlin.com Changes in v2: - all: fix commits messages. - all: use DEFINE_NOIRQ_DEV_PM_OPS and pm_sleep_ptr macros. - all: remove useless #ifdef CONFIG_PM. - pinctrl-single: drop dead code - mux: add mux_chip_resume() function in mux core. - mmio: resume sequence is now a call to mux_chip_resume(). - phy-cadence-torrent: fix typo in resume sequence (reset_control_assert() instead of reset_control_put()). - phy-cadence-torrent: use PHY instead of phy. - pci-j721e: do not shadow cdns_pcie_host_setup return code in resume sequence. - pci-j721e: drop dead code. - Link to v1: https://lore.kernel.org/r/20240102-j7200-pcie-s2r-v1-0-84e55da52400@bootlin.com --- Thomas Richard (5): PCI: cadence: Extract link setup sequence from cdns_pcie_host_setup() PCI: cadence: Set cdns_pcie_host_init() global PCI: j721e: Use dev_err_probe() in the probe() function PCI: Add T_PERST_CLK_US macro PCI: j721e: Use T_PERST_CLK_US macro Théo Lebrun (2): PCI: j721e: Add reset GPIO to struct j721e_pcie PCI: j721e: Add suspend and resume support drivers/pci/controller/cadence/pci-j721e.c | 121 ++++++++++++++++++--- drivers/pci/controller/cadence/pcie-cadence-host.c | 44 +++++--- drivers/pci/controller/cadence/pcie-cadence.h | 12 ++ drivers/pci/pci.h | 3 + 4 files changed, 146 insertions(+), 34 deletions(-) --- base-commit: 7510725e693fb5e4b4cd17086cc5a49a7a065b9c change-id: 20240102-j7200-pcie-s2r-ecb1a979e357 Best regards,