From patchwork Fri Dec 29 02:00:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mingyen Hsieh X-Patchwork-Id: 13506269 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 48A3CC3DA6E for ; Fri, 29 Dec 2023 02:01:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:CC:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=IGGC5pOBDPEDthaV7kHlRmsE6IFZQlw9U1xCEMj9Inw=; b=hqZcRIbGroG9hJxRwbIZfa5M4W ex2mxh7hAcPvWEL4sAhQzdDmSfI5QH0spAl/avu588e05Ta3TjxWD315Y2UkupMxxXDWWT0XD2wT4 Cne6fZcFCLeYZOZyYAUdWbrcKTIgvFGiS+lcLPfU2CQmKRdGeNb7VHFx2s+BWcj6ipGcmTPJIHUSe GWc/zlPC+1FrX2jOBAERG8rakaNj+Cs3yZ/wjz1d18sXCug3ctqqhyAfDvQAs8fFFQ+Ls4Nj5FDk/ XDEH6a3rNqc9LPTOYQrWG0t0pg/w7FK652ErMTFxNLebeDCVw9N1OAu2WMPi8kPFBQYy8hWuq1qug CY8tE/eg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rJ2BM-0004Vi-04; Fri, 29 Dec 2023 02:01:04 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rJ2BJ-0004Ux-13 for linux-mediatek@lists.infradead.org; Fri, 29 Dec 2023 02:01:02 +0000 X-UUID: 16f6eb28a5ee11eeafd70d0b34820190-20231228 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=IGGC5pOBDPEDthaV7kHlRmsE6IFZQlw9U1xCEMj9Inw=; b=AXUROVfy+YrBjGr9LhjM8wS7MW+wNe1stFu2S+EqZ+Ejs7DA9M4aC3RyXnvuSKrZKDDBXzKJnAuuvrkzUm/zEUVzpnTc6XNuZ0IVAa7U5njWLdJ0oRKCweiAXSeFRLLGI8KU2W+fEsWRa6WjtTGj7jlMwyDPVVi1an0aV6Sda04=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.35,REQID:eb2660b2-7b03-4c29-b1a4-5765e4ddc568,IP:0,U RL:0,TC:0,Content:-32768,EDM:-32768,RT:0,SF:-32768,FILE:0,BULK:-32768,RULE :Release_Ham,ACTION:release,TS:0 X-CID-META: VersionHash:5d391d7,CLOUDID:3e39c87e-4f93-4875-95e7-8c66ea833d57,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:nil,TC:nil,Content:nil,EDM:nil,IP:ni l,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR: NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: 16f6eb28a5ee11eeafd70d0b34820190-20231228 Received: from mtkmbs14n1.mediatek.inc [(172.21.101.75)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 227578834; Thu, 28 Dec 2023 19:00:50 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by mtkmbs11n2.mediatek.inc (172.21.101.187) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 29 Dec 2023 10:00:16 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 29 Dec 2023 10:00:16 +0800 From: Mingyen Hsieh To: , CC: , , , , , , , , , , , , , , Quan Zhou , Ming Yen Hsieh Subject: [PATCH v1 08/10] wifi: mt76: mt7925: add flow to avoid chip bt function fail Date: Fri, 29 Dec 2023 10:00:07 +0800 Message-ID: <20231229020009.12385-9-mingyen.hsieh@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231229020009.12385-1-mingyen.hsieh@mediatek.com> References: <20231229020009.12385-1-mingyen.hsieh@mediatek.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231228_180101_393019_69C2CE68 X-CRM114-Status: UNSURE ( 9.18 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Quan Zhou A sub-process of Wifi L0.5 reset will make chip common partition enter low power, and have chance lead to Bluetooth host-to-chip command timeout, modify the software flow according to the chip's design to solve the problem. Fixes: c948b5da6bbe ("wifi: mt76: mt7925: add Mediatek Wi-Fi7 driver for mt7925 chips") Signed-off-by: Quan Zhou Signed-off-by: Ming Yen Hsieh --- drivers/net/wireless/mediatek/mt76/mt7925/pci.c | 2 ++ drivers/net/wireless/mediatek/mt76/mt792x_regs.h | 3 +++ 2 files changed, 5 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/pci.c b/drivers/net/wireless/mediatek/mt76/mt7925/pci.c index 734f31ee40d3..7661098a02b8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7925/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt7925/pci.c @@ -386,6 +386,8 @@ static int mt7925_pci_probe(struct pci_dev *pdev, dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev); + mt76_rmw_field(dev, MT_HW_EMI_CTL, MT_HW_EMI_CTL_SLPPROT_EN, 1); + ret = mt792x_wfsys_reset(dev); if (ret) goto err_free_dev; diff --git a/drivers/net/wireless/mediatek/mt76/mt792x_regs.h b/drivers/net/wireless/mediatek/mt76/mt792x_regs.h index a99af23e4b56..d7f9b24cd665 100644 --- a/drivers/net/wireless/mediatek/mt76/mt792x_regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt792x_regs.h @@ -389,6 +389,9 @@ #define MT_HW_CHIPID 0x70010200 #define MT_HW_REV 0x70010204 +#define MT_HW_EMI_CTL 0x18011100 +#define MT_HW_EMI_CTL_SLPPROT_EN BIT(1) + #define MT_PCIE_MAC_BASE 0x10000 #define MT_PCIE_MAC(ofs) (MT_PCIE_MAC_BASE + (ofs)) #define MT_PCIE_MAC_INT_ENABLE MT_PCIE_MAC(0x188)