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 X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 4C4CAC3F2CD for ; Tue, 3 Mar 2020 06:24:09 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 1F48F21741 for ; Tue, 3 Mar 2020 06:24:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Wwu6FYIp"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="oSTD/CiW" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1F48F21741 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=mKAiyeVTBxLghA8Mt75+HTbccVMi4aFSDURn/DiPBtQ=; b=Wwu6FYIpQbblv+Q7FG9OPZO+DV Edouv1SO0Vuzqk6t7GJqyJScfUE1XaUCLYxWsF3WnvoU6wOUcQ2KIEDQe9k6vGqvX+TCOtsmhN2+G P/aUwJX7K4H3s2g4ffKWPD1X0QsHLpRomqsydRe1vxJ5Qe26ZWNg9+5RSCgNsCa+V/o1fcLD4zDc7 RSw8nHwJYyLvzD+RbPug9PlqNb/Om2mKKxQBlROanSpyUPWGwrnOXeu1XQxrgoU0nP55dRqwuQSNK coXq4Snv/bH8A9v6HwPUvE73L5MdVXeqKcKCVk3psYiUDP+B13Jfj4S9nIyaG/II37KmL0j4Q5uli TGtIGFmg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j90yH-0001Jo-KM; Tue, 03 Mar 2020 06:24:01 +0000 Received: from mail-pg1-x543.google.com ([2607:f8b0:4864:20::543]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j90y4-000143-Ph for linux-arm-kernel@lists.infradead.org; Tue, 03 Mar 2020 06:23:50 +0000 Received: by mail-pg1-x543.google.com with SMTP id u12so1026597pgb.10 for ; Mon, 02 Mar 2020 22:23:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=m7KmSlQ4EFgubxYp5UALnSjFoVX9ZzuBugi+uy5y+5c=; b=oSTD/CiWd3JoJEoXQCnzp7QTx7VMCoMmVxkK0Em7wctnUdtqZN589gJ/hIGQtP1ge4 U0jtV4rW5T7TMNBMgKCollWju0UIoTObfcDmZG72PRSi9lHmCCZVzjQQiZ6YaXu5ljGs T+geD+Z9PJOZ4kzK4tdieoyhlWofYzFWIqt1EtYyWzBP2/NEzWHRiYohXMmgitPYig7G UUpsGHutQBJF/6fjLW2idV9sAUBbmRdg5TIS2HkUe/vbdvyp+h5XWuJpJBZYAjFYn5Lh YaeQcilpujkvVaDPCvSxDrXrrsGNCkzzSbnSsX64g1uUg+BJbAom2s+G6pmFUJTV7/NR P4IQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=m7KmSlQ4EFgubxYp5UALnSjFoVX9ZzuBugi+uy5y+5c=; b=lrzBD87myWNfwF+98avaa8xcfMHY/x5iOfYgcNLEoc+AFDuaHy7T1WGU+zV+L+78b1 +cRxvZ9uBlmocj3nQBjISAJk7W/R17U3k2dhGgig3hz8P6Vbj9f2kf0EUv8lY/9Rkj3j EKkCQdCXGSFLPetf9D9uAQ0HhARAWeIsTVMfT2LCe08pG75Z60+yh0lKX681JVBNUYXm En8Wj6FISkizZZShwNlMpcHYj9p6UG8l5Lj+7lMq7qegf3MiD13oKfz51DvMucavoZ5H uyTyeD0LBRyujZ9nzDj83EGyZrLUiZKNZtWLMIMTPMd96t8v012EYJ5LzMuebZ5BxsD9 FT1Q== X-Gm-Message-State: ANhLgQ02VIbeIkvd/AHa+QbpIOh1+CUM0gyTMP6eOwS8IP5bB/W+OYwU UGjEQl4PXPgtVtHNyoITDj4= X-Google-Smtp-Source: ADFU+vu6wdsxZ6lNWMKXxWfoMrjDAW8c4Ni+G/I5Nv8RlncdnY4JGadd9ZmbI8iDto547rh/UIYTNg== X-Received: by 2002:a05:6a00:cb:: with SMTP id e11mr2698405pfj.88.1583216627506; Mon, 02 Mar 2020 22:23:47 -0800 (PST) Received: from taoren-ubuntu-R90MNF91.thefacebook.com (c-24-4-25-55.hsd1.ca.comcast.net. [24.4.25.55]) by smtp.gmail.com with ESMTPSA id k5sm7453526pfp.66.2020.03.02.22.23.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Mar 2020 22:23:47 -0800 (PST) From: rentao.bupt@gmail.com To: Felipe Balbi , Greg Kroah-Hartman , Joel Stanley , Andrew Jeffery , Benjamin Herrenschmidt , Chunfeng Yun , Colin Ian King , Stephen Boyd , Rob Herring , Mark Rutland , linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org, taoren@fb.com Subject: [PATCH v7 1/7] usb: gadget: aspeed: support per-vhub usb descriptors Date: Mon, 2 Mar 2020 22:23:30 -0800 Message-Id: <20200303062336.7361-2-rentao.bupt@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200303062336.7361-1-rentao.bupt@gmail.com> References: <20200303062336.7361-1-rentao.bupt@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200302_222348_832990_5240C680 X-CRM114-Status: GOOD ( 16.27 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tao Ren MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Tao Ren This patch store vhub's standard usb descriptors in struct "ast_vhub" so it's more convenient to customize descriptors and potentially support multiple vhub instances in the future. Signed-off-by: Tao Ren Acked-by: Benjamin Herrenschmidt --- No change in v2/v3/v4/v5/v6/v7: - the patch is added to the patch series since v4. drivers/usb/gadget/udc/aspeed-vhub/hub.c | 43 ++++++++++++++++------- drivers/usb/gadget/udc/aspeed-vhub/vhub.h | 15 ++++++++ 2 files changed, 46 insertions(+), 12 deletions(-) diff --git a/drivers/usb/gadget/udc/aspeed-vhub/hub.c b/drivers/usb/gadget/udc/aspeed-vhub/hub.c index 19b3517e04c0..9c3027306b15 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/hub.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/hub.c @@ -93,11 +93,7 @@ static void ast_vhub_patch_dev_desc_usb1(struct usb_device_descriptor *desc) USB_DT_INTERFACE_SIZE + \ USB_DT_ENDPOINT_SIZE) -static const struct ast_vhub_full_cdesc { - struct usb_config_descriptor cfg; - struct usb_interface_descriptor intf; - struct usb_endpoint_descriptor ep; -} __attribute__ ((packed)) ast_vhub_conf_desc = { +static const struct ast_vhub_full_cdesc ast_vhub_conf_desc = { .cfg = { .bLength = USB_DT_CONFIG_SIZE, .bDescriptorType = USB_DT_CONFIG, @@ -266,6 +262,7 @@ static int ast_vhub_rep_desc(struct ast_vhub_ep *ep, u8 desc_type, u16 len) { size_t dsize; + struct ast_vhub *vhub = ep->vhub; EPDBG(ep, "GET_DESCRIPTOR(type:%d)\n", desc_type); @@ -281,20 +278,20 @@ static int ast_vhub_rep_desc(struct ast_vhub_ep *ep, switch(desc_type) { case USB_DT_DEVICE: dsize = USB_DT_DEVICE_SIZE; - memcpy(ep->buf, &ast_vhub_dev_desc, dsize); - BUILD_BUG_ON(dsize > sizeof(ast_vhub_dev_desc)); + memcpy(ep->buf, &vhub->vhub_dev_desc, dsize); + BUILD_BUG_ON(dsize > sizeof(vhub->vhub_dev_desc)); BUILD_BUG_ON(USB_DT_DEVICE_SIZE >= AST_VHUB_EP0_MAX_PACKET); break; case USB_DT_CONFIG: dsize = AST_VHUB_CONF_DESC_SIZE; - memcpy(ep->buf, &ast_vhub_conf_desc, dsize); - BUILD_BUG_ON(dsize > sizeof(ast_vhub_conf_desc)); + memcpy(ep->buf, &vhub->vhub_conf_desc, dsize); + BUILD_BUG_ON(dsize > sizeof(vhub->vhub_conf_desc)); BUILD_BUG_ON(AST_VHUB_CONF_DESC_SIZE >= AST_VHUB_EP0_MAX_PACKET); break; case USB_DT_HUB: dsize = AST_VHUB_HUB_DESC_SIZE; - memcpy(ep->buf, &ast_vhub_hub_desc, dsize); - BUILD_BUG_ON(dsize > sizeof(ast_vhub_hub_desc)); + memcpy(ep->buf, &vhub->vhub_hub_desc, dsize); + BUILD_BUG_ON(dsize > sizeof(vhub->vhub_hub_desc)); BUILD_BUG_ON(AST_VHUB_HUB_DESC_SIZE >= AST_VHUB_EP0_MAX_PACKET); break; default: @@ -317,7 +314,8 @@ static int ast_vhub_rep_string(struct ast_vhub_ep *ep, u8 string_id, u16 lang_id, u16 len) { - int rc = usb_gadget_get_string (&ast_vhub_strings, string_id, ep->buf); + int rc = usb_gadget_get_string(&ep->vhub->vhub_str_desc, + string_id, ep->buf); /* * This should never happen unless we put too big strings in @@ -834,9 +832,30 @@ void ast_vhub_hub_reset(struct ast_vhub *vhub) writel(0, vhub->regs + AST_VHUB_EP1_STS_CHG); } +static void ast_vhub_init_desc(struct ast_vhub *vhub) +{ + /* Initialize vhub Device Descriptor. */ + memcpy(&vhub->vhub_dev_desc, &ast_vhub_dev_desc, + sizeof(vhub->vhub_dev_desc)); + + /* Initialize vhub Configuration Descriptor. */ + memcpy(&vhub->vhub_conf_desc, &ast_vhub_conf_desc, + sizeof(vhub->vhub_conf_desc)); + + /* Initialize vhub Hub Descriptor. */ + memcpy(&vhub->vhub_hub_desc, &ast_vhub_hub_desc, + sizeof(vhub->vhub_hub_desc)); + + /* Initialize vhub String Descriptors. */ + memcpy(&vhub->vhub_str_desc, &ast_vhub_strings, + sizeof(vhub->vhub_str_desc)); +} + void ast_vhub_init_hub(struct ast_vhub *vhub) { vhub->speed = USB_SPEED_UNKNOWN; INIT_WORK(&vhub->wake_work, ast_vhub_wake_work); + + ast_vhub_init_desc(vhub); } diff --git a/drivers/usb/gadget/udc/aspeed-vhub/vhub.h b/drivers/usb/gadget/udc/aspeed-vhub/vhub.h index 761919e220d3..191f9fae7420 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/vhub.h +++ b/drivers/usb/gadget/udc/aspeed-vhub/vhub.h @@ -2,6 +2,9 @@ #ifndef __ASPEED_VHUB_H #define __ASPEED_VHUB_H +#include +#include + /***************************** * * * VHUB register definitions * @@ -373,6 +376,12 @@ struct ast_vhub_port { struct ast_vhub_dev dev; }; +struct ast_vhub_full_cdesc { + struct usb_config_descriptor cfg; + struct usb_interface_descriptor intf; + struct usb_endpoint_descriptor ep; +} __packed; + /* Global vhub structure */ struct ast_vhub { struct platform_device *pdev; @@ -409,6 +418,12 @@ struct ast_vhub { /* Upstream bus speed captured at bus reset */ unsigned int speed; + + /* Standard USB Descriptors of the vhub. */ + struct usb_device_descriptor vhub_dev_desc; + struct ast_vhub_full_cdesc vhub_conf_desc; + struct usb_hub_descriptor vhub_hub_desc; + struct usb_gadget_strings vhub_str_desc; }; /* Standard request handlers result codes */ -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel