Hi Dejin, > Use the new function pcim_alloc_irq_vectors() to allocate IRQ vectors, > the pcim_alloc_irq_vectors() function, an explicit device-managed version > of pci_alloc_irq_vectors(). If pcim_enable_device() has been called > before, then pci_alloc_irq_vectors() is actually a device-managed > function. It is used here as a device-managed function, So replace it > with pcim_alloc_irq_vectors(). A few suggestions about the commit message in the following reply: https://lore.kernel.org/linux-pci/YCwE2cf9X%2FGd6lWy@rocinante/ Krzysztof
