From patchwork Fri Aug 13 06:30:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?Q2h1bmZlbmcgWXVuICjkupHmmKXls7Ap?= X-Patchwork-Id: 1516563 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4GmDHR2xz0z9t1s for ; Fri, 13 Aug 2021 16:32:03 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238929AbhHMGc2 (ORCPT ); Fri, 13 Aug 2021 02:32:28 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:45862 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S238926AbhHMGc1 (ORCPT ); Fri, 13 Aug 2021 02:32:27 -0400 X-UUID: e7eca9fefe3d420e8045355a7383c041-20210813 X-UUID: e7eca9fefe3d420e8045355a7383c041-20210813 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1081387938; Fri, 13 Aug 2021 14:31:58 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 13 Aug 2021 14:31:56 +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; Fri, 13 Aug 2021 14:31:55 +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 , Sergei Shtylyov , Subject: [PATCH v3 4/7] usb: cdnsp: fix the wrong mult value for HS isoc or intr Date: Fri, 13 Aug 2021 14:30:50 +0800 Message-ID: <1628836253-7432-4-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1628836253-7432-1-git-send-email-chunfeng.yun@mediatek.com> References: <1628836253-7432-1-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org usb_endpoint_maxp() only returns the bit[10:0] of wMaxPacketSize of endpoint descriptor, not include bit[12:11] anymore, so use usb_endpoint_maxp_mult() instead. Fixes: 3d82904559f4 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver") Cc: stable@vger.kernel.org Acked-by: Felipe Balbi Signed-off-by: Chunfeng Yun --- v3: fix invalid email format for stable v2: add fixes, cc suggested by Felipe --- drivers/usb/cdns3/cdnsp-mem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/cdns3/cdnsp-mem.c b/drivers/usb/cdns3/cdnsp-mem.c index a47948a1623f..ad9aee3f1e39 100644 --- a/drivers/usb/cdns3/cdnsp-mem.c +++ b/drivers/usb/cdns3/cdnsp-mem.c @@ -882,7 +882,7 @@ static u32 cdnsp_get_endpoint_max_burst(struct usb_gadget *g, if (g->speed == USB_SPEED_HIGH && (usb_endpoint_xfer_isoc(pep->endpoint.desc) || usb_endpoint_xfer_int(pep->endpoint.desc))) - return (usb_endpoint_maxp(pep->endpoint.desc) & 0x1800) >> 11; + return usb_endpoint_maxp_mult(pep->endpoint.desc) - 1; return 0; }