PCI/MSI: Kill redundant call of irq_set_msi_desc() for MSI-X interrupts
authorJiang Liu <jiang.liu@linux.intel.com>
Thu, 6 Nov 2014 14:20:33 +0000 (22:20 +0800)
committerThomas Gleixner <tglx@linutronix.de>
Sun, 23 Nov 2014 12:01:45 +0000 (13:01 +0100)
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 <jiang.liu@linux.intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Yingjoe Chen <yingjoe.chen@mediatek.com>
Cc: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
drivers/pci/msi.c

index df0170b8da730fae89afec4fbb87cdf0d6d5732e..5cb471ec3e61f83d84683c92015383eb73cb378c 100644 (file)
@@ -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++;