[PATCH 3/6] PCI: Xilinx: Clear correct msi set bit
Bharat Kumar Gogada
bharat.kumar.gogada at xilinx.com
Thu Sep 1 03:14:43 PDT 2016
Kernel provides virtual irq number at teardown.
Get hwirq number from virtual irq and clear correct
MSI set bit.
Signed-off-by: Bharat Kumar Gogada <bharatku at xilinx.com>
---
drivers/pci/host/pcie-xilinx.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
index de1c758..ec2844a 100644
--- a/drivers/pci/host/pcie-xilinx.c
+++ b/drivers/pci/host/pcie-xilinx.c
@@ -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);
}
}
--
2.1.1
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