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From: Felix Fietkau <nbd@nbd.name>
To: linux-wireless@vger.kernel.org
Subject: [PATCH 1/6] mt76: set interrupt mask register to 0 before requesting irq
Date: Mon, 10 Aug 2020 10:58:27 +0200	[thread overview]
Message-ID: <20200810085832.65662-1-nbd@nbd.name> (raw)

Avoids spurious interrupts in case the hardware was running already

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 drivers/net/wireless/mediatek/mt76/mt7603/pci.c  | 2 ++
 drivers/net/wireless/mediatek/mt76/mt7603/soc.c  | 2 ++
 drivers/net/wireless/mediatek/mt76/mt7615/mmio.c | 2 ++
 drivers/net/wireless/mediatek/mt76/mt76x0/pci.c  | 2 ++
 drivers/net/wireless/mediatek/mt76/mt76x2/pci.c  | 2 ++
 drivers/net/wireless/mediatek/mt76/mt7915/pci.c  | 2 ++
 6 files changed, 12 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/pci.c b/drivers/net/wireless/mediatek/mt76/mt7603/pci.c
index 2f2f337e2201..a5845da3547a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/pci.c
@@ -44,6 +44,8 @@ mt76pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		    (mt76_rr(dev, MT_HW_REV) & 0xff);
 	dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
 
+	mt76_wr(dev, MT_INT_MASK_CSR, 0);
+
 	ret = devm_request_irq(mdev->dev, pdev->irq, mt7603_irq_handler,
 			       IRQF_SHARED, KBUILD_MODNAME, dev);
 	if (ret)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/soc.c b/drivers/net/wireless/mediatek/mt76/mt7603/soc.c
index de170765e938..ba927033bbe8 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/soc.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/soc.c
@@ -35,6 +35,8 @@ mt76_wmac_probe(struct platform_device *pdev)
 		    (mt76_rr(dev, MT_HW_REV) & 0xff);
 	dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
 
+	mt76_wr(dev, MT_INT_MASK_CSR, 0);
+
 	ret = devm_request_irq(mdev->dev, irq, mt7603_irq_handler,
 			       IRQF_SHARED, KBUILD_MODNAME, dev);
 	if (ret)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c
index 133f93a6ed1b..a0526f06262b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c
@@ -227,6 +227,8 @@ int mt7615_mmio_probe(struct device *pdev, void __iomem *mem_base,
 	bus_ops->rmw = mt7615_rmw;
 	dev->mt76.bus = bus_ops;
 
+	mt76_wr(dev, MT_INT_MASK_CSR, 0);
+
 	ret = devm_request_irq(mdev->dev, irq, mt7615_irq_handler,
 			       IRQF_SHARED, KBUILD_MODNAME, dev);
 	if (ret)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
index f7ec3400e368..5e567483b372 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
@@ -180,6 +180,8 @@ mt76x0e_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	mdev->rev = mt76_rr(dev, MT_ASIC_VERSION);
 	dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev);
 
+	mt76_wr(dev, MT_INT_MASK_CSR, 0);
+
 	ret = devm_request_irq(mdev->dev, pdev->irq, mt76x02_irq_handler,
 			       IRQF_SHARED, KBUILD_MODNAME, dev);
 	if (ret)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c
index 6dfb0df8ec8a..377cf9c02a6f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c
@@ -63,6 +63,8 @@ mt76x2e_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	mdev->rev = mt76_rr(dev, MT_ASIC_VERSION);
 	dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev);
 
+	mt76_wr(dev, MT_INT_MASK_CSR, 0);
+
 	ret = devm_request_irq(mdev->dev, pdev->irq, mt76x02_irq_handler,
 			       IRQF_SHARED, KBUILD_MODNAME, dev);
 	if (ret)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c
index 05dd19258f54..59034d480543 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c
@@ -124,6 +124,8 @@ static int mt7915_pci_probe(struct pci_dev *pdev,
 		    (mt7915_l1_rr(dev, MT_HW_REV) & 0xff);
 	dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
 
+	mt76_wr(dev, MT_INT_MASK_CSR, 0);
+
 	/* master switch of PCIe tnterrupt enable */
 	mt7915_l1_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
 
-- 
2.28.0


             reply	other threads:[~2020-08-10  8:58 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-10  8:58 Felix Fietkau [this message]
2020-08-10  8:58 ` [PATCH 2/6] mt76: mt7915: clean up and fix interrupt masking in the irq handler Felix Fietkau
2020-08-10  8:58 ` [PATCH 3/6] mt76: mt7615: only clear unmasked interrupts in irq tasklet Felix Fietkau
2020-08-10  8:58 ` [PATCH 4/6] mt76: mt76x02: clean up and fix interrupt masking in the irq handler Felix Fietkau
2020-08-10  8:58 ` [PATCH 5/6] mt76: mt7615: do not do any work in napi poll after calling napi_complete_done() Felix Fietkau
2020-08-10  8:58 ` [PATCH 6/6] mt76: mt7915: " Felix Fietkau

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