From patchwork Thu Aug 12 03:33:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 12432365 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,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 A9B1EC4338F for ; Thu, 12 Aug 2021 03:33:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A1A8610FE for ; Thu, 12 Aug 2021 03:33:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233956AbhHLDeU (ORCPT ); Wed, 11 Aug 2021 23:34:20 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:36154 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S233854AbhHLDeQ (ORCPT ); Wed, 11 Aug 2021 23:34:16 -0400 X-UUID: 1cdaaeed73824a7b82ca41f334b82f07-20210812 X-UUID: 1cdaaeed73824a7b82ca41f334b82f07-20210812 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 44213232; Thu, 12 Aug 2021 11:33:47 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkexhb01.mediatek.inc (172.21.101.102) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 12 Aug 2021 11:33:46 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 12 Aug 2021 11:33:45 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman , Felipe Balbi CC: Pawel Laszczak , Al Cooper , Thierry Reding , Jonathan Hunter , Chunfeng Yun , Matthias Brugger , Christophe JAILLET , Yang Yingliang , Rikard Falkeborn , , , , , , , Eddie Hung Subject: [PATCH 4/6] usb: gadget: tegra-xudc: fix the wrong mult value for HS isoc or intr Date: Thu, 12 Aug 2021 11:33:00 +0800 Message-ID: <1628739182-30089-4-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1628739182-30089-1-git-send-email-chunfeng.yun@mediatek.com> References: <1628739182-30089-1-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org usb_endpoint_maxp() only returns the bit[10:0] of wMaxPacketSize of endpoint descriptor, not includes bit[12:11] anymore, so use usb_endpoint_maxp_mult() instead. Meanwhile no need AND 0x7ff when get maxp, remove it. Signed-off-by: Chunfeng Yun Acked-by: Felipe Balbi --- drivers/usb/gadget/udc/tegra-xudc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/udc/tegra-xudc.c b/drivers/usb/gadget/udc/tegra-xudc.c index a54d1cef17db..40a7417e7ae4 100644 --- a/drivers/usb/gadget/udc/tegra-xudc.c +++ b/drivers/usb/gadget/udc/tegra-xudc.c @@ -1610,7 +1610,7 @@ static void tegra_xudc_ep_context_setup(struct tegra_xudc_ep *ep) u16 maxpacket, maxburst = 0, esit = 0; u32 val; - maxpacket = usb_endpoint_maxp(desc) & 0x7ff; + maxpacket = usb_endpoint_maxp(desc); if (xudc->gadget.speed == USB_SPEED_SUPER) { if (!usb_endpoint_xfer_control(desc)) maxburst = comp_desc->bMaxBurst; @@ -1621,7 +1621,7 @@ static void tegra_xudc_ep_context_setup(struct tegra_xudc_ep *ep) (usb_endpoint_xfer_int(desc) || usb_endpoint_xfer_isoc(desc))) { if (xudc->gadget.speed == USB_SPEED_HIGH) { - maxburst = (usb_endpoint_maxp(desc) >> 11) & 0x3; + maxburst = usb_endpoint_maxp_mult(desc) - 1; if (maxburst == 0x3) { dev_warn(xudc->dev, "invalid endpoint maxburst\n");