From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6F29C3A7F68 for ; Mon, 6 Jul 2026 02:43:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.61.82.184 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783305803; cv=none; b=DweDfvqrprEs1vna3DF0G9ttIAOlk8EttLQ7O2gtaYaJ4hPfzqEUviEf+PyaXnHlfiKGJxnKEmB4JpenVoEH6mkETpSoIuUwbTf6rhngMIeT8pYdtUhbfouIipaR5l24pCEqBpstdhXYSm0e5LhSPGpWgoXo4XGCw9EhhHKxIAk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783305803; c=relaxed/simple; bh=+JX9LegM787optVTrWnQ7Dvu9v+ikRk2iKWXP5K/rjY=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=pn8JqLqm+UojSdrKwhYbxGS2DrtfK7EeLluSkK9LiKhyhKwVMcii1W/zIVTSwzFfMWlVjzr68fQ0wcIJq0VlnYSm3hoteCq6JwnTl7iFfalibVSqM0X7Gpou0yBTPbNmk70WLORwc7Th6O48VnznRhcxfFcKd85bplfyGzW9ikc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=bVeSfQgx; arc=none smtp.client-ip=210.61.82.184 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="bVeSfQgx" X-UUID: 6c22db0e78e411f18dc8c9802ae25ab1-20260706 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=OQJi2yYr5F1UUcKiQuDU1gdz3ijCZmWXgkUNEcU9N1k=; b=bVeSfQgxOrNUR50hoshwN9Yxxo6tXjvZDySEBxR40bWJkHXZOtSFAgS9V4clsMdQR2ILMsY/0yVPyNwcRcEHFy8jKaqVpssRRN6P39KI3Y8zxpPwubmVx2nYOGjbk+f+Nt1MEhJ8EGQUqN8fwyh7fBiXz7xYOvlI9BRn409vgOU=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.17,REQID:a14556d9-ba23-4f60-a3be-25ea418899c2,IP:0,U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:d497b38,CLOUDID:97b00a82-6310-4e6b-a6b1-aca20d98ed8b,B ulkID:nil,BulkQuantity:0,SF:102|836|865|888|898,TC:-5,Content:0|15|50|99,E DM:-3,IP:nil,URL:0,File:130,RT:0,Bulk:nil,QS:nil,BEC:-1,COL:0,OSI:0,OSA:0, AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 6c22db0e78e411f18dc8c9802ae25ab1-20260706 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1146115879; Mon, 06 Jul 2026 10:43:08 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Mon, 6 Jul 2026 10:43:07 +0800 Received: from mtksitap99.mediatek.inc (10.233.130.16) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.2562.29 via Frontend Transport; Mon, 6 Jul 2026 10:43:07 +0800 From: JB Tsai To: , CC: , , , , , , , , , Jeff Hsu Subject: [PATCH] wifi: mt76: mt7925: Add flag to control if need DMA re-init Date: Mon, 6 Jul 2026 10:43:06 +0800 Message-ID: <20260706024306.47806-1-jb.tsai@mediatek.com> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-MTK: N From: Jeff Hsu Add flag(skip_wpdma_reinit) to control if need do DMA re-init Signed-off-by: Jeff Hsu --- drivers/net/wireless/mediatek/mt76/mt7925/pci.c | 4 ++++ drivers/net/wireless/mediatek/mt76/mt792x.h | 1 + drivers/net/wireless/mediatek/mt76/mt792x_dma.c | 5 +++++ 3 files changed, 10 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/pci.c b/drivers/net/wireless/mediatek/mt76/mt7925/pci.c index c8537a5cdf67..154e4372664e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/pci.c @@ -650,6 +650,10 @@ static int mt7925_pci_probe(struct pci_dev *pdev, if (!mt7925_disable_aspm && mt76_pci_aspm_supported(pdev)) dev->aspm_supported = true; + /* MT7935 does not need wpdma reinit */ + if (is_mt7928(&dev->mt76)) + dev->skip_wpdma_reinit = true; + ret = __mt792x_mcu_fw_pmctrl(dev); if (ret) goto err_free_dev; diff --git a/drivers/net/wireless/mediatek/mt76/mt792x.h b/drivers/net/wireless/mediatek/mt76/mt792x.h index 8c7ecd3ce126..18d6e2c35606 100644 --- a/drivers/net/wireless/mediatek/mt76/mt792x.h +++ b/drivers/net/wireless/mediatek/mt76/mt792x.h @@ -271,6 +271,7 @@ struct mt792x_dev { bool hif_idle:1; bool hif_resumed:1; bool regd_change:1; + bool skip_wpdma_reinit:1; wait_queue_head_t wait; struct work_struct init_work; diff --git a/drivers/net/wireless/mediatek/mt76/mt792x_dma.c b/drivers/net/wireless/mediatek/mt76/mt792x_dma.c index 8ad94fa58340..8308935491d3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt792x_dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt792x_dma.c @@ -418,6 +418,11 @@ int mt792x_wpdma_reinit_cond(struct mt792x_dev *dev) struct mt76_connac_pm *pm = &dev->pm; int err; + /* Skip wpdma reinit if chip doesn't need it */ + if (dev->skip_wpdma_reinit) { + return 0; + } + /* check if the wpdma must be reinitialized */ if (mt792x_dma_need_reinit(dev)) { /* disable interrutpts */ -- 2.45.2