From patchwork Tue Nov 30 11:38:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neal Liu X-Patchwork-Id: 12694181 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 436CCC433F5 for ; Tue, 30 Nov 2021 14:12:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=QTPq+sbdA+Ea5SVmq0KMqRzpfQ+r3VbchfpXGnaB680=; b=wl6miY/RyG1jvC 1GeftRRa7iKse/T4xbDxhXHyeKjdAI8YHULFBbMRyKhvdIDdg6R+r5SGYQyvprwLuK45DS4FaOAs5 2bJjLq6MJMMhzWNesMWXV3epgHuZJ3MMBO4cTJWTiNK0R4xAXJaHZo+wkG/yUouO1ljKxacFzRhMT 4wry+eMGhItXN/DDo8++vTmLCajnUXT+Mr45MAUiTR5/P1BV3i9o53F2FayU6ryeKQ2W/w5CcesC7 FJmTQW+0TtysicRgrhv/SZFp9dswtX3AcYsfGeOHPhRu3+1v4lS3O2IzF+BIf0x+WDQc9uRUYMdNZ XCY2d31Iksn38HF5SfQg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ms3qD-005VoN-EA; Tue, 30 Nov 2021 14:10:41 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ms3m4-005Txu-UT for linux-arm-kernel@bombadil.infradead.org; Tue, 30 Nov 2021 14:06:24 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:Content-Transfer-Encoding :MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From: Sender:Reply-To:Content-ID:Content-Description; bh=7G3gnhqFtQrsWXQ9fAKZdeRy8ZOh3MoeUZj3sA3xHvM=; b=EMp1rjF6fuimy65t4GhAnErM/f apt/ntfsa8CJ0fhloqbEumbH8VStrX3BuiCA81H1153oI0n74VpBO6nkDp7EDwgrH8vd2C/TECcTA X+hzkHGnCzG8UuU3HmknHmAWZxH1BqMv5cX7ph4ws3HnpJlGNHtAplUYSqqO9UStgJm9VmnKjdC+I eCKf4wFNnUL2WhZd6ScOYAjGn1G9/LzQqAtojUjMPxZlNni0zmwn5PJIcISPAIjZF1iSf5760NqTz MDLFbebuEQmL70aoZpVbWv40PkTAiEy7Th91kyVw/Z9Sb4Wvddexwtmo0efRyJOl+pYxCZcigISuk QR3eTvhw==; Received: from twspam01.aspeedtech.com ([211.20.114.71]) by desiato.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ms1Tr-001RTX-Uz for linux-arm-kernel@lists.infradead.org; Tue, 30 Nov 2021 11:39:30 +0000 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1AUBEM3p082288; Tue, 30 Nov 2021 19:14:22 +0800 (GMT-8) (envelope-from neal_liu@aspeedtech.com) Received: from localhost.localdomain (192.168.10.10) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 30 Nov 2021 19:38:54 +0800 From: Neal Liu To: Felipe Balbi , Greg Kroah-Hartman , Joel Stanley , Andrew Jeffery , Cai Huoqing , Tao Ren , Julia Lawall , "kernel test robot" , Sasha Levin , , , , CC: Neal Liu , , Subject: [PATCH v2 2/4] usb: aspeed-vhub: support auto remote wakeup feature Date: Tue, 30 Nov 2021 19:38:45 +0800 Message-ID: <20211130113847.1405873-3-neal_liu@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211130113847.1405873-1-neal_liu@aspeedtech.com> References: <20211130113847.1405873-1-neal_liu@aspeedtech.com> MIME-Version: 1.0 X-Originating-IP: [192.168.10.10] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 1AUBEM3p082288 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211130_113928_871939_501C30A7 X-CRM114-Status: UNSURE ( 9.24 ) X-CRM114-Notice: Please train this message. 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 +Ben. --- Remote wakeup signaling will be automatically issued whenever any write commands has been received in suspend state. Signed-off-by: Neal Liu --- drivers/usb/gadget/udc/aspeed-vhub/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/gadget/udc/aspeed-vhub/core.c b/drivers/usb/gadget/udc/aspeed-vhub/core.c index 7a635c499777..122ee7ef0b03 100644 --- a/drivers/usb/gadget/udc/aspeed-vhub/core.c +++ b/drivers/usb/gadget/udc/aspeed-vhub/core.c @@ -240,6 +240,9 @@ void ast_vhub_init_hw(struct ast_vhub *vhub) if (vhub->force_usb1) ctrl |= VHUB_CTRL_FULL_SPEED_ONLY; + /* Enable auto remote wakeup */ + ctrl |= VHUB_CTRL_AUTO_REMOTE_WAKEUP; + ctrl |= VHUB_CTRL_UPSTREAM_CONNECT; writel(ctrl, vhub->regs + AST_VHUB_CTRL);