PCI/MSI: Kill redundant call of irq_set_msi_desc() for MSI-X interrupts

Jiang Liu · KAGA-KOKO · commit d71d6432e105 · 2014-11-23T13:01:45.000+01:00
It is the repsonsibility of arch_setup_msi_irq()/arch_setup_msi_irqs()
to call irq_set_msi_desc() to associate IRQ descriptors and MSI
descriptors. Kill the redundant call of irq_set_msi_desc() for MSI-X
interrupts in the PCI MSI core.

Signed-off-by: Jiang Liu &lt;jiang.liu@linux.intel.com&gt;
Cc: Bjorn Helgaas &lt;bhelgaas@google.com&gt;
Cc: Grant Likely &lt;grant.likely@linaro.org&gt;
Cc: Marc Zyngier &lt;marc.zyngier@arm.com&gt;
Cc: Yingjoe Chen &lt;yingjoe.chen@mediatek.com&gt;
Cc: Yijing Wang &lt;wangyijing@huawei.com&gt;
Signed-off-by: Thomas Gleixner &lt;tglx@linutronix.de&gt;
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
@@ -695,7 +695,6 @@ static void msix_program_entries(struct pci_dev *dev,
 						PCI_MSIX_ENTRY_VECTOR_CTRL;
 
 		entries[i].vector = entry->irq;
-		irq_set_msi_desc(entry->irq, entry);
 		entry->masked = readl(entry->mask_base + offset);
 		msix_mask_irq(entry, 1);
 		i++;
