From patchwork Thu Sep 6 09:18:27 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stanislaw Gruszka X-Patchwork-Id: 10590189 X-Patchwork-Delegate: kvalo@adurom.com 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 6FE0F14BD for ; Thu, 6 Sep 2018 09:19:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5DFCA2A400 for ; Thu, 6 Sep 2018 09:19:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5216C2A40A; Thu, 6 Sep 2018 09:19:31 +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 0822E2A400 for ; Thu, 6 Sep 2018 09:19:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728702AbeIFNyB (ORCPT ); Thu, 6 Sep 2018 09:54:01 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:33136 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728139AbeIFNyA (ORCPT ); Thu, 6 Sep 2018 09:54:00 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C7A9A40216F7; Thu, 6 Sep 2018 09:19:28 +0000 (UTC) Received: from localhost (unknown [10.40.205.33]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5E8FA200A4B5; Thu, 6 Sep 2018 09:19:28 +0000 (UTC) From: Stanislaw Gruszka To: linux-wireless@vger.kernel.org Cc: Lorenzo Bianconi , Felix Fietkau , linux-mediatek@lists.infradead.org Subject: [PATCH 11/42] mt76x0: disable usb rx bulk aggregation Date: Thu, 6 Sep 2018 11:18:27 +0200 Message-Id: <1536225538-16454-12-git-send-email-sgruszka@redhat.com> In-Reply-To: <1536225538-16454-1-git-send-email-sgruszka@redhat.com> References: <1536225538-16454-1-git-send-email-sgruszka@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Thu, 06 Sep 2018 09:19:28 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Thu, 06 Sep 2018 09:19:28 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'sgruszka@redhat.com' RCPT:'' Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Lorenzo Bianconi In order to use zero-copying, disable usb rx bulk aggregation Signed-off-by: Lorenzo Bianconi Signed-off-by: Stanislaw Gruszka --- drivers/net/wireless/mediatek/mt76/mt76x0/init.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c index ddbb52b4e5ac..b28ea45a7282 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c @@ -110,17 +110,17 @@ static void mt76x0_reset_csr_bbp(struct mt76x0_dev *dev) static void mt76x0_init_usb_dma(struct mt76x0_dev *dev) { - struct mt76_usb *usb = &dev->mt76.usb; u32 val; val = mt76_rr(dev, MT_USB_DMA_CFG); - val |= FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, MT_USB_AGGR_TIMEOUT) | - FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_LMT, MT_USB_AGGR_SIZE_LIMIT) | - MT_USB_DMA_CFG_RX_BULK_EN | + val |= MT_USB_DMA_CFG_RX_BULK_EN | MT_USB_DMA_CFG_TX_BULK_EN; - if (usb->in_max_packet == 512) - val |= MT_USB_DMA_CFG_RX_BULK_AGG_EN; + + /* disable AGGR_BULK_RX in order to receive one + * frame in each rx urb and avoid copies + */ + val &= ~MT_USB_DMA_CFG_RX_BULK_AGG_EN; mt76_wr(dev, MT_USB_DMA_CFG, val); val = mt76_rr(dev, MT_COM_REG0);