[patch 07/26] pci: pcie-designware: Remove irq_desc abuse

[Thomas Gleixner]

There is no reason to care about irq_desc in that context, escpecially
as irq_data for that interrupt is retrieved as well.

Use the proper accessor for the msi descriptor

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Cc: Jingoo Han <jg1.han@xxxxxxxxxxx>
Cc: Mohit Kumar <mohit.kumar@xxxxxx>
Cc: pci <linux-pci@xxxxxxxxxxxxxxx>
---
 drivers/pci/host/pcie-designware.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Index: tip/drivers/pci/host/pcie-designware.c
===================================================================
--- tip.orig/drivers/pci/host/pcie-designware.c
+++ tip/drivers/pci/host/pcie-designware.c
@@ -294,14 +294,12 @@ no_valid_irq:
 static void clear_irq(unsigned int irq)
 {
 	unsigned int pos, nvec;
-	struct irq_desc *desc;
 	struct msi_desc *msi;
 	struct pcie_port *pp;
 	struct irq_data *data = irq_get_irq_data(irq);
 
 	/* get the port structure */
-	desc = irq_to_desc(irq);
-	msi = irq_desc_get_msi_desc(desc);
+	msi = irq_data_get_msi(data);
 	pp = sys_to_pcie(msi->dev->bus->sysdata);
 	if (!pp) {
 		BUG();


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