From 9df8c539bed7b676af2204af2988e2c9409c135e Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 7 Aug 2020 21:55:52 +0200 Subject: [PATCH] mt76: set interrupt mask register to 0 before requesting irq Avoids spurious interrupts in case the hardware was running already Signed-off-by: Felix Fietkau --- 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 2f2f337e22014..a5845da3547a9 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 de170765e938d..ba927033bbe8c 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 133f93a6ed1b8..a0526f06262bc 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 f7ec3400e368f..5e567483b3726 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 6dfb0df8ec8a6..377cf9c02a6f2 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 0ec4e184b8897..1908a0d99c90e 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c @@ -149,6 +149,8 @@ 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); -- 2.30.2