The interrupt message number is the first 5 bits, but the driver was masking only the first 4 bits. This patch fixes that by using the existing define. This patch is also fixing the define formatting, as it wasn't aligned. Signed-off-by: Keith Busch <keith.busch@xxxxxxxxx> --- drivers/pci/pcie/pcie-dpc.c | 2 +- include/uapi/linux/pci_regs.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/pcie/pcie-dpc.c b/drivers/pci/pcie/pcie-dpc.c index 85350b00f251..5dfdb4935bac 100644 --- a/drivers/pci/pcie/pcie-dpc.c +++ b/drivers/pci/pcie/pcie-dpc.c @@ -351,7 +351,7 @@ static int dpc_probe(struct pcie_device *dev) pci_write_config_word(pdev, dpc->cap_pos + PCI_EXP_DPC_CTL, ctl); dev_info(device, "DPC error containment capabilities: Int Msg #%d, RPExt%c PoisonedTLP%c SwTrigger%c RP PIO Log %d, DL_ActiveErr%c\n", - cap & 0xf, FLAG(cap, PCI_EXP_DPC_CAP_RP_EXT), + cap & PCI_EXP_DPC_IRQ, FLAG(cap, PCI_EXP_DPC_CAP_RP_EXT), FLAG(cap, PCI_EXP_DPC_CAP_POISONED_TLP), FLAG(cap, PCI_EXP_DPC_CAP_SW_TRIGGER), (cap >> 8) & 0xf, FLAG(cap, PCI_EXP_DPC_CAP_DL_ACTIVE)); diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index 70c2b2ade048..295a5ebdf9e4 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -966,7 +966,7 @@ /* Downstream Port Containment */ #define PCI_EXP_DPC_CAP 4 /* DPC Capability */ -#define PCI_EXP_DPC_IRQ 0x1f /* DPC Interrupt Message Number */ +#define PCI_EXP_DPC_IRQ 0x1f /* DPC Interrupt Message Number */ #define PCI_EXP_DPC_CAP_RP_EXT 0x20 /* Root Port Extensions for DPC */ #define PCI_EXP_DPC_CAP_POISONED_TLP 0x40 /* Poisoned TLP Egress Blocking Supported */ #define PCI_EXP_DPC_CAP_SW_TRIGGER 0x80 /* Software Triggering Supported */ -- 2.13.6
