From patchwork Thu Sep 20 16:13:32 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathias Nyman X-Patchwork-Id: 10607993 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4B8DF15A6 for ; Thu, 20 Sep 2018 16:11:11 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3B4D22E057 for ; Thu, 20 Sep 2018 16:11:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 385292DEB1; Thu, 20 Sep 2018 16:11:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C54B92DF0A for ; Thu, 20 Sep 2018 16:11:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730920AbeITVyt (ORCPT ); Thu, 20 Sep 2018 17:54:49 -0400 Received: from mga05.intel.com ([192.55.52.43]:60307 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730915AbeITVyt (ORCPT ); Thu, 20 Sep 2018 17:54:49 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Sep 2018 09:10:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,399,1531810800"; d="scan'208";a="91827501" Received: from mattu-haswell.fi.intel.com ([10.237.72.164]) by fmsmga001.fm.intel.com with ESMTP; 20 Sep 2018 09:10:37 -0700 From: Mathias Nyman To: Cc: , Chunfeng Yun , Mathias Nyman Subject: [PATCH v2 02/10] usb: xhci-mtk: fix ISOC error when interval is zero Date: Thu, 20 Sep 2018 19:13:32 +0300 Message-Id: <1537460020-1009-3-git-send-email-mathias.nyman@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1537460020-1009-1-git-send-email-mathias.nyman@linux.intel.com> References: <1537460020-1009-1-git-send-email-mathias.nyman@linux.intel.com> Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Chunfeng Yun If the interval equal zero, needn't round up to power of two for the number of packets in each ESIT, so fix it. Signed-off-by: Chunfeng Yun Signed-off-by: Mathias Nyman --- drivers/usb/host/xhci-mtk-sch.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c index 46fe0a2..057f453 100644 --- a/drivers/usb/host/xhci-mtk-sch.c +++ b/drivers/usb/host/xhci-mtk-sch.c @@ -126,7 +126,9 @@ static void setup_sch_info(struct usb_device *udev, } if (ep_type == ISOC_IN_EP || ep_type == ISOC_OUT_EP) { - if (esit_pkts <= sch_ep->esit) + if (sch_ep->esit == 1) + sch_ep->pkts = esit_pkts; + else if (esit_pkts <= sch_ep->esit) sch_ep->pkts = 1; else sch_ep->pkts = roundup_pow_of_two(esit_pkts)