From patchwork Tue Jan 11 07:51:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bo Jiao X-Patchwork-Id: 12709582 X-Patchwork-Delegate: nbd@nbd.name 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 32B93C433F5 for ; Tue, 11 Jan 2022 07:51:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348631AbiAKHvR (ORCPT ); Tue, 11 Jan 2022 02:51:17 -0500 Received: from mailgw01.mediatek.com ([60.244.123.138]:58564 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S235911AbiAKHvR (ORCPT ); Tue, 11 Jan 2022 02:51:17 -0500 X-UUID: 6440131d9f0c417ea10b0c147670a605-20220111 X-UUID: 6440131d9f0c417ea10b0c147670a605-20220111 Received: from mtkcas11.mediatek.inc [(172.21.101.40)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1789509949; Tue, 11 Jan 2022 15:51:14 +0800 Received: from MTKMBS34N1.mediatek.inc (172.27.4.172) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 11 Jan 2022 15:51:13 +0800 Received: from MTKCAS32.mediatek.inc (172.27.4.184) by MTKMBS34N1.mediatek.inc (172.27.4.172) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 11 Jan 2022 15:51:13 +0800 Received: from mcddlt001.gcn.mediatek.inc (10.19.240.15) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 11 Jan 2022 15:51:13 +0800 From: Bo Jiao To: Felix Fietkau CC: linux-wireless , Ryder Lee , Xing Song , Sujuan Chen , Shayne Chen , "Evelyn Tsai" , linux-mediatek , Bo Jiao Subject: [PATCH 2/5] mt76: rework dma.c to adapt mt7986 changes Date: Tue, 11 Jan 2022 15:51:05 +0800 Message-ID: <73fb8a688cfa53e030492f344f72ef64b4167a36.1641886298.git.Bo.Jiao@mediatek.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <351271a274dc236f027c58487df6b21c7dbf9fd0.1641886298.git.Bo.Jiao@mediatek.com> References: <351271a274dc236f027c58487df6b21c7dbf9fd0.1641886298.git.Bo.Jiao@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Bo Jiao Check ndesc of q_rx to avoid potential hole in iteration. This is an intermediate patch to add mt7986 support. Signed-off-by: Sujuan Chen Signed-off-by: Bo Jiao Reviewed-by: Ryder Lee --- drivers/net/wireless/mediatek/mt76/dma.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index fd4c51b..83f045a 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -660,10 +660,12 @@ mt76_dma_init(struct mt76_dev *dev, wiphy_name(dev->hw->wiphy)); dev->napi_dev.threaded = 1; - mt76_for_each_q_rx(dev, i) { - netif_napi_add(&dev->napi_dev, &dev->napi[i], poll, 64); - mt76_dma_rx_fill(dev, &dev->q_rx[i]); - napi_enable(&dev->napi[i]); + for (i = 0; i < ARRAY_SIZE(dev->q_rx); i++) { + if (dev->q_rx[i].ndesc) { + netif_napi_add(&dev->napi_dev, &dev->napi[i], poll, 64); + mt76_dma_rx_fill(dev, &dev->q_rx[i]); + napi_enable(&dev->napi[i]); + } } return 0;