From patchwork Thu Mar 25 13:55:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 409894 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, 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 D76FDC433E2 for ; Thu, 25 Mar 2021 13:55:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AB7AD61A21 for ; Thu, 25 Mar 2021 13:55:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231222AbhCYNzK (ORCPT ); Thu, 25 Mar 2021 09:55:10 -0400 Received: from mga18.intel.com ([134.134.136.126]:60128 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230459AbhCYNzE (ORCPT ); Thu, 25 Mar 2021 09:55:04 -0400 IronPort-SDR: L9/zr1LuupBw+IaHv8PxVv2VMx1Psi+IO87XF27IAqNAZ0UT3fYFwqOC+KwYNvubTTmZ86ASk3 WHA3ZybNVI0w== X-IronPort-AV: E=McAfee;i="6000,8403,9933"; a="178483989" X-IronPort-AV: E=Sophos;i="5.81,277,1610438400"; d="scan'208";a="178483989" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Mar 2021 06:55:03 -0700 IronPort-SDR: frxC22Hq6Qfy/WZv8tWawXed1KPcDIMse80XzModv96u90kJigFMKA16z3BiBJF8PEduijy5Od k21jqkRcCNMA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,277,1610438400"; d="scan'208";a="593786943" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga005.jf.intel.com with ESMTP; 25 Mar 2021 06:55:01 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id E5A3DE7; Thu, 25 Mar 2021 15:55:14 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Felipe Balbi , Greg Kroah-Hartman Subject: [PATCH v1 3/4] usb: gadget: pch_udc: Use PCI sub IDs instead of DMI Date: Thu, 25 Mar 2021 15:55:07 +0200 Message-Id: <20210325135508.70350-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210325135508.70350-1-andriy.shevchenko@linux.intel.com> References: <20210325135508.70350-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org We don't need DMI to identify Intel Minnowboard (v1) since it has properly set PCI sub IDs. So, drop unneeded DMI level of identification. Signed-off-by: Andy Shevchenko --- drivers/usb/gadget/udc/pch_udc.c | 91 +++++++++++++++----------------- 1 file changed, 44 insertions(+), 47 deletions(-) diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index d5685d427158..db6b63f060f3 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -7,7 +7,6 @@ #include #include #include -#include #include #include #include @@ -1356,43 +1355,6 @@ static irqreturn_t pch_vbus_gpio_irq(int irq, void *data) return IRQ_HANDLED; } -static struct gpiod_lookup_table minnowboard_udc_gpios = { - .dev_id = "0000:02:02.4", - .table = { - GPIO_LOOKUP("sch_gpio.33158", 12, NULL, GPIO_ACTIVE_HIGH), - {} - }, -}; - -static const struct dmi_system_id pch_udc_gpio_dmi_table[] = { - { - .ident = "MinnowBoard", - .matches = { - DMI_MATCH(DMI_BOARD_NAME, "MinnowBoard"), - }, - .driver_data = &minnowboard_udc_gpios, - }, - { } -}; - -static void pch_vbus_gpio_remove_table(void *table) -{ - gpiod_remove_lookup_table(table); -} - -static int pch_vbus_gpio_add_table(struct pch_udc_dev *dev) -{ - struct device *d = &dev->pdev->dev; - const struct dmi_system_id *dmi; - - dmi = dmi_first_match(pch_udc_gpio_dmi_table); - if (!dmi) - return 0; - - gpiod_add_lookup_table(dmi->driver_data); - return devm_add_action_or_reset(d, pch_vbus_gpio_remove_table, dmi->driver_data); -} - /** * pch_vbus_gpio_init() - This API initializes GPIO port detecting VBUS. * @dev: Reference to the driver structure @@ -1411,10 +1373,6 @@ static int pch_vbus_gpio_init(struct pch_udc_dev *dev) dev->vbus_gpio.port = NULL; dev->vbus_gpio.intr = 0; - err = pch_vbus_gpio_add_table(dev); - if (err) - return err; - /* Retrieve the GPIO line from the USB gadget device */ gpiod = devm_gpiod_get_optional(d, NULL, GPIOD_IN); if (IS_ERR(gpiod)) @@ -2867,7 +2825,7 @@ static void pch_udc_pcd_reinit(struct pch_udc_dev *dev) * * Return codes: * 0: Success - * -%ERRNO: All kind of errors when retrieving VBUS GPIO + * -ERRNO: All kind of errors when retrieving VBUS GPIO */ static int pch_udc_pcd_init(struct pch_udc_dev *dev) { @@ -2978,6 +2936,30 @@ static int pch_udc_stop(struct usb_gadget *g) return 0; } +static void pch_vbus_gpio_remove_table(void *table) +{ + gpiod_remove_lookup_table(table); +} + +static int pch_vbus_gpio_add_table(struct device *d, void *table) +{ + gpiod_add_lookup_table(table); + return devm_add_action_or_reset(d, pch_vbus_gpio_remove_table, table); +} + +static struct gpiod_lookup_table pch_udc_minnow_vbus_gpio_table = { + .dev_id = "0000:02:02.4", + .table = { + GPIO_LOOKUP("sch_gpio.33158", 12, NULL, GPIO_ACTIVE_HIGH), + {} + }, +}; + +static int pch_udc_minnow_platform_init(struct device *d) +{ + return pch_vbus_gpio_add_table(d, &pch_udc_minnow_vbus_gpio_table); +} + static void pch_udc_shutdown(struct pci_dev *pdev) { struct pch_udc_dev *dev = pci_get_drvdata(pdev); @@ -3043,9 +3025,11 @@ static int __maybe_unused pch_udc_resume(struct device *d) static SIMPLE_DEV_PM_OPS(pch_udc_pm, pch_udc_suspend, pch_udc_resume); -static int pch_udc_probe(struct pci_dev *pdev, - const struct pci_device_id *id) +typedef int (*platform_init_fn)(struct device *); + +static int pch_udc_probe(struct pci_dev *pdev, const struct pci_device_id *id) { + platform_init_fn platform_init = (platform_init_fn)id->driver_data; int bar; int retval; struct pch_udc_dev *dev; @@ -3063,6 +3047,13 @@ static int pch_udc_probe(struct pci_dev *pdev, dev->pdev = pdev; pci_set_drvdata(pdev, dev); + /* Platform specific hook */ + if (platform_init) { + retval = platform_init(&pdev->dev); + if (retval) + return retval; + } + /* Determine BAR based on PCI ID */ if (id->device == PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC) bar = PCH_UDC_PCI_BAR_QUARK_X1000; @@ -3119,10 +3110,16 @@ static int pch_udc_probe(struct pci_dev *pdev, static const struct pci_device_id pch_udc_pcidev_id[] = { { - PCI_DEVICE(PCI_VENDOR_ID_INTEL, - PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC), + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_QUARK_X1000_UDC), + .class = PCI_CLASS_SERIAL_USB_DEVICE, + .class_mask = 0xffffffff, + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EG20T_UDC, + PCI_VENDOR_ID_CIRCUITCO, PCI_SUBSYSTEM_ID_CIRCUITCO_MINNOWBOARD), .class = PCI_CLASS_SERIAL_USB_DEVICE, .class_mask = 0xffffffff, + .driver_data = (kernel_ulong_t)&pch_udc_minnow_platform_init, }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EG20T_UDC),