From patchwork Mon Jan 11 14:10:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 360604 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 574E7C433E6 for ; Mon, 11 Jan 2021 14:15:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 25E5422473 for ; Mon, 11 Jan 2021 14:15:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730875AbhAKOOz (ORCPT ); Mon, 11 Jan 2021 09:14:55 -0500 Received: from mga17.intel.com ([192.55.52.151]:16979 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728752AbhAKOOz (ORCPT ); Mon, 11 Jan 2021 09:14:55 -0500 IronPort-SDR: XUqVRtq8E4OidGC9iBV5IccVChw3E66g+m7uLeo+LXkg0FwcfweqzHyLvmGxkJmjKXJDemMm2n zpue7ve4ZOpw== X-IronPort-AV: E=McAfee;i="6000,8403,9860"; a="157645644" X-IronPort-AV: E=Sophos;i="5.79,338,1602572400"; d="scan'208";a="157645644" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jan 2021 06:10:52 -0800 IronPort-SDR: /R0Opl2sjnfUIkbiEdpOwEfz36xjSdG4dZmFxncfwC03snkbvWjWKAhOiOIIB0EnoWWf9HGxi8 5+v4LHMRnuvQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,338,1602572400"; d="scan'208";a="464171597" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 11 Jan 2021 06:10:49 -0800 From: Heikki Krogerus To: Felipe Balbi , "Rafael J. Wysocki" Cc: Andy Shevchenko , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-acpi@vger.kernel.org Subject: [PATCH v2 1/3] software node: Introduce device_add_software_node() Date: Mon, 11 Jan 2021 17:10:43 +0300 Message-Id: <20210111141045.14027-2-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210111141045.14027-1-heikki.krogerus@linux.intel.com> References: <20210111141045.14027-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org This helper will register a software node and then assign it to device at the same time. The function will also make sure that the device can't have more than one software node. Tested-by: Andy Shevchenko Signed-off-by: Heikki Krogerus Reviewed-by: Daniel Scally --- drivers/base/swnode.c | 69 ++++++++++++++++++++++++++++++++++------ include/linux/property.h | 3 ++ 2 files changed, 63 insertions(+), 9 deletions(-) diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c index 4a4b2008fbc26..60a8501a4976c 100644 --- a/drivers/base/swnode.c +++ b/drivers/base/swnode.c @@ -48,6 +48,19 @@ EXPORT_SYMBOL_GPL(is_software_node); struct swnode, fwnode) : NULL; \ }) +static inline struct swnode *dev_to_swnode(struct device *dev) +{ + struct fwnode_handle *fwnode = dev_fwnode(dev); + + if (!fwnode) + return NULL; + + if (!is_software_node(fwnode)) + fwnode = fwnode->secondary; + + return to_swnode(fwnode); +} + static struct swnode * software_node_to_swnode(const struct software_node *node) { @@ -843,22 +856,60 @@ void fwnode_remove_software_node(struct fwnode_handle *fwnode) } EXPORT_SYMBOL_GPL(fwnode_remove_software_node); +/** + * device_add_software_node - Assign software node to a device + * @dev: The device the software node is meant for. + * @swnode: The software node. + * + * This function will register @swnode and make it the secondary firmware node + * pointer of @dev. If @dev has no primary node, then @swnode will become the primary + * node. + */ +int device_add_software_node(struct device *dev, const struct software_node *swnode) +{ + int ret; + + /* Only one software node per device. */ + if (dev_to_swnode(dev)) + return -EBUSY; + + ret = software_node_register(swnode); + if (ret) + return ret; + + set_secondary_fwnode(dev, software_node_fwnode(swnode)); + + return 0; +} +EXPORT_SYMBOL_GPL(device_add_software_node); + +/** + * device_remove_software_node - Remove device's software node + * @dev: The device with the software node. + * + * This function will unregister the software node of @dev. + */ +void device_remove_software_node(struct device *dev) +{ + struct swnode *swnode; + + swnode = dev_to_swnode(dev); + if (!swnode) + return; + + kobject_put(&swnode->kobj); +} +EXPORT_SYMBOL_GPL(device_remove_software_node); + int software_node_notify(struct device *dev, unsigned long action) { - struct fwnode_handle *fwnode = dev_fwnode(dev); struct swnode *swnode; int ret; - if (!fwnode) - return 0; - - if (!is_software_node(fwnode)) - fwnode = fwnode->secondary; - if (!is_software_node(fwnode)) + swnode = dev_to_swnode(dev); + if (!swnode) return 0; - swnode = to_swnode(fwnode); - switch (action) { case KOBJ_ADD: ret = sysfs_create_link(&dev->kobj, &swnode->kobj, diff --git a/include/linux/property.h b/include/linux/property.h index 0a9001fe7aeab..b0e413dc59271 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -488,4 +488,7 @@ fwnode_create_software_node(const struct property_entry *properties, const struct fwnode_handle *parent); void fwnode_remove_software_node(struct fwnode_handle *fwnode); +int device_add_software_node(struct device *dev, const struct software_node *swnode); +void device_remove_software_node(struct device *dev); + #endif /* _LINUX_PROPERTY_H_ */ From patchwork Mon Jan 11 14:10:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 360605 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6AA34C433DB for ; Mon, 11 Jan 2021 14:13:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 321A02242A for ; Mon, 11 Jan 2021 14:13:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727827AbhAKONY (ORCPT ); Mon, 11 Jan 2021 09:13:24 -0500 Received: from mga17.intel.com ([192.55.52.151]:16819 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732693AbhAKONJ (ORCPT ); Mon, 11 Jan 2021 09:13:09 -0500 IronPort-SDR: Qnvjt2eJRPrCF6jRh+/paDUGZbPu0vxP8URz/O2+vILGZttqWOFGxhfr/P+AYVP36QHHUw3gEd lz5KuMAE1iYA== X-IronPort-AV: E=McAfee;i="6000,8403,9860"; a="157645652" X-IronPort-AV: E=Sophos;i="5.79,338,1602572400"; d="scan'208";a="157645652" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jan 2021 06:10:54 -0800 IronPort-SDR: 8v2v10JIrOosYBRPVwDo6fw1qlSMc4MimG2LBH7UH4EmYxF/c04VypIr8zUXOamYT+7ebga6h7 vpIjnPUMy6ZQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,338,1602572400"; d="scan'208";a="464171615" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 11 Jan 2021 06:10:52 -0800 From: Heikki Krogerus To: Felipe Balbi , "Rafael J. Wysocki" Cc: Andy Shevchenko , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-acpi@vger.kernel.org Subject: [PATCH v2 2/3] usb: dwc3: pci: Register a software node for the dwc3 platform device Date: Mon, 11 Jan 2021 17:10:44 +0300 Message-Id: <20210111141045.14027-3-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210111141045.14027-1-heikki.krogerus@linux.intel.com> References: <20210111141045.14027-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org By registering the software node directly instead of just the properties in it, the driver can take advantage of also the other features the software nodes have. Tested-by: Andy Shevchenko Signed-off-by: Heikki Krogerus --- drivers/usb/dwc3/dwc3-pci.c | 61 ++++++++++++++++++++++--------------- 1 file changed, 37 insertions(+), 24 deletions(-) diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index bae6a70664c80..037bc21bffa66 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -142,6 +142,18 @@ static const struct property_entry dwc3_pci_amd_properties[] = { {} }; +static const struct software_node dwc3_pci_intel_swnode = { + .properties = dwc3_pci_intel_properties, +}; + +static const struct software_node dwc3_pci_intel_mrfld_swnode = { + .properties = dwc3_pci_mrfld_properties, +}; + +static const struct software_node dwc3_pci_amd_swnode = { + .properties = dwc3_pci_amd_properties, +}; + static int dwc3_pci_quirks(struct dwc3_pci *dwc) { struct pci_dev *pdev = dwc->pci; @@ -222,7 +234,6 @@ static void dwc3_pci_resume_work(struct work_struct *work) static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) { - struct property_entry *p = (struct property_entry *)id->driver_data; struct dwc3_pci *dwc; struct resource res[2]; int ret; @@ -265,7 +276,7 @@ static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) dwc->dwc3->dev.parent = dev; ACPI_COMPANION_SET(&dwc->dwc3->dev, ACPI_COMPANION(dev)); - ret = platform_device_add_properties(dwc->dwc3, p); + ret = device_add_software_node(&dwc->dwc3->dev, (void *)id->driver_data); if (ret < 0) goto err; @@ -288,6 +299,7 @@ static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) return 0; err: + device_remove_software_node(&dwc->dwc3->dev); platform_device_put(dwc->dwc3); return ret; } @@ -304,75 +316,76 @@ static void dwc3_pci_remove(struct pci_dev *pci) #endif device_init_wakeup(&pci->dev, false); pm_runtime_get(&pci->dev); + device_remove_software_node(&dwc->dwc3->dev); platform_device_unregister(dwc->dwc3); } static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BSW), - (kernel_ulong_t) &dwc3_pci_intel_properties }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BYT), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_MRFLD), - (kernel_ulong_t) &dwc3_pci_mrfld_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_mrfld_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLLP), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLH), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTLP), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SPTH), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BXT_M), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_APL), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_KBP), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_GLK), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPLP), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPH), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CNPV), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICLLP), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_EHLLP), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPLP), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGPH), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_JSP), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLS), - (kernel_ulong_t) &dwc3_pci_intel_properties, }, + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_NL_USB), - (kernel_ulong_t) &dwc3_pci_amd_properties, }, + (kernel_ulong_t) &dwc3_pci_amd_swnode, }, { } /* Terminating Entry */ }; MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table); From patchwork Mon Jan 11 14:10:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 361285 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C8DEC433E6 for ; Mon, 11 Jan 2021 14:16:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E0D3C22473 for ; Mon, 11 Jan 2021 14:16:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729686AbhAKOPv (ORCPT ); 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([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 11 Jan 2021 06:10:54 -0800 From: Heikki Krogerus To: Felipe Balbi , "Rafael J. Wysocki" Cc: Andy Shevchenko , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-acpi@vger.kernel.org Subject: [PATCH v2 3/3] usb: dwc3: pci: ID for Tiger Lake CPU Date: Mon, 11 Jan 2021 17:10:45 +0300 Message-Id: <20210111141045.14027-4-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210111141045.14027-1-heikki.krogerus@linux.intel.com> References: <20210111141045.14027-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Tiger Lake SOC (the versions of it that have integrated USB4 controller) may have two DWC3 controllers. One is part of the PCH (Platform Controller Hub, i.e. the chipset) as usual, and the other is inside the actual CPU block. On all Intel platforms that have the two separate DWC3 controllers, the one inside the CPU handles USB3 and only USB3 traffic, while the PCH version handles USB2 and USB2 alone. The reason for splitting the two busses like this is to allow easy USB3 tunneling over USB4 connections. As USB2 is not tunneled over USB4, it has dedicated USB controllers (both xHCI and DWC3). Signed-off-by: Heikki Krogerus --- drivers/usb/dwc3/dwc3-pci.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 037bc21bffa66..51029cec119ed 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -41,6 +41,7 @@ #define PCI_DEVICE_ID_INTEL_TGPH 0x43ee #define PCI_DEVICE_ID_INTEL_JSP 0x4dee #define PCI_DEVICE_ID_INTEL_ADLS 0x7ae1 +#define PCI_DEVICE_ID_INTEL_TGL 0x9a15 #define PCI_INTEL_BXT_DSM_GUID "732b85d5-b7a7-4a1b-9ba0-4bbd00ffd511" #define PCI_INTEL_BXT_FUNC_PMU_PWR 4 @@ -384,6 +385,9 @@ static const struct pci_device_id dwc3_pci_id_table[] = { { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ADLS), (kernel_ulong_t) &dwc3_pci_intel_swnode, }, + { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_TGL), + (kernel_ulong_t) &dwc3_pci_intel_swnode, }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_NL_USB), (kernel_ulong_t) &dwc3_pci_amd_swnode, }, { } /* Terminating Entry */