* [PATCH] PCI/DPC: print IRQ number used by DPC port
@ 2020-05-09 9:56 Yicong Yang
2020-05-13 20:50 ` Bjorn Helgaas
0 siblings, 1 reply; 2+ messages in thread
From: Yicong Yang @ 2020-05-09 9:56 UTC (permalink / raw)
To: helgaas, linux-pci; +Cc: linuxarm, yangyicong
Add print of IRQ number used by DPC port, like AER/PME does. It
provides convenience to track DPC interrupts counts of certain
port from /proc/interrupts.
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
---
drivers/pci/pcie/dpc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/pci/pcie/dpc.c b/drivers/pci/pcie/dpc.c
index 7621704..ae6b553 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),
--
2.8.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] PCI/DPC: print IRQ number used by DPC port
2020-05-09 9:56 [PATCH] PCI/DPC: print IRQ number used by DPC port Yicong Yang
@ 2020-05-13 20:50 ` Bjorn Helgaas
0 siblings, 0 replies; 2+ messages in thread
From: Bjorn Helgaas @ 2020-05-13 20:50 UTC (permalink / raw)
To: Yicong Yang; +Cc: linux-pci, linuxarm
On Sat, May 09, 2020 at 05:56:54PM +0800, Yicong Yang wrote:
> Add print of IRQ number used by DPC port, like AER/PME does. It
> provides convenience to track DPC interrupts counts of certain
> port from /proc/interrupts.
>
> Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Applied to pci/error for v5.8, thanks!
> ---
> drivers/pci/pcie/dpc.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/pci/pcie/dpc.c b/drivers/pci/pcie/dpc.c
> index 7621704..ae6b553 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),
> --
> 2.8.1
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2020-05-13 20:50 ` Bjorn Helgaas
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