RDMA/nes: Stop spurious MAC interrupts
Mask off MAC interrupts on netdev_stop to prevent spurious MAC interrupts on unload/reload of iw_nes. Signed-off-by: Sweta Bhatt <sweta.bhatt@einfochips.com> Signed-off-by: Chien Tung <ctung@neteffect.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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@ -272,14 +272,18 @@ static int nes_netdev_stop(struct net_device *netdev)
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break;
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}
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if (first_nesvnic->netdev_open == 0)
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nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+(0x200*nesdev->mac_index), 0xffffffff);
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else if ((first_nesvnic != nesvnic) &&
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(PCI_FUNC(first_nesvnic->nesdev->pcidev->devfn) != PCI_FUNC(nesvnic->nesdev->pcidev->devfn))) {
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nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK + (0x200 * nesdev->mac_index), 0xffffffff);
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nes_write_indexed(first_nesvnic->nesdev, NES_IDX_MAC_INT_MASK + (0x200 * first_nesvnic->nesdev->mac_index),
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if ((first_nesvnic->netdev_open == 1) && (first_nesvnic != nesvnic) &&
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(PCI_FUNC(first_nesvnic->nesdev->pcidev->devfn) !=
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PCI_FUNC(nesvnic->nesdev->pcidev->devfn))) {
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nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+
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(0x200*nesdev->mac_index), 0xffffffff);
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nes_write_indexed(first_nesvnic->nesdev,
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NES_IDX_MAC_INT_MASK+
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(0x200*first_nesvnic->nesdev->mac_index),
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~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT |
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NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR));
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} else {
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nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+(0x200*nesdev->mac_index), 0xffffffff);
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}
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nic_active_mask = ~((u32)(1 << nesvnic->nic_index));
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