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Sun, 05 Jul 2026 19:43:09 -0700 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 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260706_034330_538115_25D5A5FF X-CRM114-Status: GOOD ( 11.22 ) 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: 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