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Commit 8a4036ed authored by Bharat Kumar Gogada's avatar Bharat Kumar Gogada Committed by Bjorn Helgaas
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PCI: xilinx: Clear correct MSI set bit 



Kernel provides virtual IRQ number at teardown.  Get hwirq number from
virtual IRQ and clear correct MSI set bit.

Signed-off-by: default avatarBharat Kumar Gogada <bharatku@xilinx.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Acked-by: default avatarMichal Simek <michal.simek@xilinx.com>
parent 3cd049ab

drivers/pci/host/pcie-xilinx.c

+4 −2
Original line number Diff line number Diff line
@@ -221,13 +221,15 @@ static void xilinx_pcie_destroy_msi(unsigned int irq) 
{

	struct msi_desc *msi;

	struct xilinx_pcie_port *port;

	struct irq_data *d = irq_get_irq_data(irq);

	irq_hw_number_t hwirq = irqd_to_hwirq(d);



	if (!test_bit(irq, msi_irq_in_use)) {

	if (!test_bit(hwirq, msi_irq_in_use)) {

		msi = irq_get_msi_desc(irq);

		port = msi_desc_to_pci_sysdata(msi);

		dev_err(port->dev, "Trying to free unused MSI#%d\n", irq);

	} else {

		clear_bit(irq, msi_irq_in_use);

		clear_bit(hwirq, msi_irq_in_use);

	}

}