From: Yicong Yang Date: Sat, 9 May 2020 09:56:54 +0000 (+0800) Subject: PCI/DPC: Print IRQ number used by port X-Git-Tag: v5.8-rc1~115^2~22^2 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=9103aaf9b40c4c4e51c2a4631d221daeb7d12bad;p=linux.git PCI/DPC: Print IRQ number used by port Print IRQ number used by DPC port, like AER/PME does. It provides convenience to track DPC interrupts counts of certain port from /proc/interrupts. Link: https://lore.kernel.org/r/1589018214-52752-1-git-send-email-yangyicong@hisilicon.com Signed-off-by: Yicong Yang Signed-off-by: Bjorn Helgaas --- diff --git a/drivers/pci/pcie/dpc.c b/drivers/pci/pcie/dpc.c index 0993d51abf03..daa9a4153776 100644 --- a/drivers/pci/pcie/dpc.c +++ b/drivers/pci/pcie/dpc.c @@ -301,6 +301,7 @@ static int dpc_probe(struct pcie_device *dev) ctl = (ctl & 0xfff4) | PCI_EXP_DPC_CTL_EN_FATAL | PCI_EXP_DPC_CTL_INT_EN; pci_write_config_word(pdev, pdev->dpc_cap + PCI_EXP_DPC_CTL, ctl); + pci_info(pdev, "enabled with IRQ %d\n", dev->irq); pci_info(pdev, "error containment capabilities: Int Msg #%d, RPExt%c PoisonedTLP%c SwTrigger%c RP PIO Log %d, DL_ActiveErr%c\n", cap & PCI_EXP_DPC_IRQ, FLAG(cap, PCI_EXP_DPC_CAP_RP_EXT),