net: amd-xgbe: disable interrupts during pci removal

[ Upstream commit 68c2d6af1f1e469544d6cbe9a601d96fb9c00e7f ]

Hardware interrupts are enabled during the pci probe, however,
they are not disabled during pci removal.

Disable all hardware interrupts during pci removal to avoid any
issues.

Fixes: e75377404726 ("amd-xgbe: Update PCI support to use new IRQ functions")
Suggested-by: Selwin Sebastian <Selwin.Sebastian@amd.com>
Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
index 90cb55eb546658456f7ace869a079171d169d041..014513ce00a14b06149f5f82257359b11c2d34f5 100644 (file)
--- a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
@@ -418,6 +418,9 @@ static void xgbe_pci_remove(struct pci_dev *pdev)
 
        pci_free_irq_vectors(pdata->pcidev);
 
+       /* Disable all interrupts in the hardware */
+       XP_IOWRITE(pdata, XP_INT_EN, 0x0);
+
        xgbe_free_pdata(pdata);
 }