On Monday, November 21, 2016 03:45:26 PM Bjorn Helgaas wrote:
> We already log a "Signaling PME" whenever the PME service driver claims a
> Root Port. In fact, we also log the same message for every device in the
> hierarchy below the Root Port.
>
> Log the "Signaling PME" once (only for the Root Port, since we can
> trivially find out which devices are below the Root Port), and include the
> IRQ number in the message to help connect the dots with /proc/interrupts.
>
> Signed-off-by: Bjorn Helgaas <bhelg...@google.com>
> ---
> drivers/pci/pcie/pme.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c
> index 9e8aa9d..7175293 100644
> --- a/drivers/pci/pcie/pme.c
> +++ b/drivers/pci/pcie/pme.c
> @@ -300,8 +300,6 @@ static irqreturn_t pcie_pme_irq(int irq, void *context)
> */
> static int pcie_pme_set_native(struct pci_dev *dev, void *ign)
> {
> - dev_info(&dev->dev, "Signaling PME through PCIe PME interrupt\n");
> -
> device_set_run_wake(&dev->dev, true);
> dev->pme_interrupt = true;
> return 0;
> @@ -349,12 +347,14 @@ static int pcie_pme_probe(struct pcie_device *srv)
> ret = request_irq(srv->irq, pcie_pme_irq, IRQF_SHARED, "PCIe PME", srv);
> if (ret) {
> kfree(data);
> - } else {
> - pcie_pme_mark_devices(port);
> - pcie_pme_interrupt_enable(port, true);
> + return ret;
> }
>
> - return ret;
> + dev_info(&port->dev, "Signaling PME with IRQ %d\n", srv->irq);
> +
> + pcie_pme_mark_devices(port);
> + pcie_pme_interrupt_enable(port, true);
> + return 0;
> }
>
> static bool pcie_pme_check_wakeup(struct pci_bus *bus)
>
> --
Acked-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
