From patchwork Tue Nov 30 10:42:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neal Liu X-Patchwork-Id: 12694182 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 673C2C433F5 for ; Tue, 30 Nov 2021 14:13:12 +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=h1nIv1uwtF1XySOjZtqmT1SD7vUAwlDXCum8HpwNMx8=; b=tALGqMtH5LuM81 UCSfHm0xzLbuiDu4YKpLtgtv0EPwgEmuIwQ+HaKZqxFtVRuWJPoNZdisdWQ9w6ZEujIkaNB5LN0t2 eHCc76ELSaV4sI+3Ua7AFnAg2T9+wghT9dYM9wjX7pVIe2hPSEevpJeL6QoMqbejTOuv6m7TdQxcn 9C4/dQAxNFk589pbz8CjwJZH7fbmkAuSKA+jzchZwxwy1mLgI0JDqYKpqtTZaDAy+9h/F0ruhh0QG kK2ZMnZvOle6OATLzSNVdNP4d+P70lRdzf/K+szHqeqNI8p68QKehCIH4QRdsb5tJ6xCh7RsAr1WN oWUefOFeZg4WhWXucqEg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ms3qu-005W8x-Sy; Tue, 30 Nov 2021 14:11:26 +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 1ms3m6-005TyH-BU for linux-arm-kernel@bombadil.infradead.org; Tue, 30 Nov 2021 14:06:26 +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=jUjspTKvXSvBRdcPYGlZgUUfKqI+QOCRZk3gHIjCrtE=; b=BPUjThbhBBplWj4i99hsB5RKVE p4BWXQ50ZtabGUtjHE5cFE1QUBwNUvHCpNc5RtWgd4q9IB5GCiwVq6QeFFhAIH0Nn4pHfmAZ/j3bY 5TPv+RunlVdanrJaQSNQ/NRWA83z0BBEyBH1HOLxhILF0aB5oP/uU1+CTC54PYXX+9AA8j+5nySsw k9dF1kNKMpIsNo1TxV7qqjyWIsxOABjVVgRbBCXCHoCZrp+PZbtb+U1hLzNxoeMbYSfo1hI9PJYjF b+GEyFgdMk12rM7Pqqt0L57FgsvQysb7JfzVAwhwW3xcJAowP42vWGspI0+rQPCJUfFvtIoVKlR0Y aPU1Z0Fw==; Received: from twspam01.aspeedtech.com ([211.20.114.71]) by desiato.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ms0cN-001QqF-Fm for linux-arm-kernel@lists.infradead.org; Tue, 30 Nov 2021 10:44:15 +0000 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1AUAIVHG077386; Tue, 30 Nov 2021 18:18:31 +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 18:43:03 +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 18:42:54 +0800 Message-ID: <20211130104256.3106797-3-neal_liu@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211130104256.3106797-1-neal_liu@aspeedtech.com> References: <20211130104256.3106797-1-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 1AUAIVHG077386 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211130_104412_063992_789C32EC 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 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);