Re: [PATCH linux-next] thermal: int340x: processor_thermal: Ack all PCI interrupts
From: srinivas pandruvada
Date: Wed Sep 20 2023 - 15:30:08 EST
On Wed, 2023-09-20 at 21:21 +0200, Rafael J. Wysocki wrote:
> On Wed, Sep 20, 2023 at 8:52 PM Srinivas Pandruvada
> <srinivas.pandruvada@xxxxxxxxxxxxxxx> wrote:
> >
> > All interrupts from the processor thermal PCI device requires ACK.
> > This
> > is done by writing 0x01 at offset 0xDC in the config space. This is
> > already done for the thereshold interrupt. Extend this for the
> > workload
> > hint interrupt.
> >
> > Signed-off-by: Srinivas Pandruvada
> > <srinivas.pandruvada@xxxxxxxxxxxxxxx>
>
> Is this a fix for one of the commits in linux-next? If so, which
> one?
This is on top of workload hints patches. I marked linux-next as they
are not in mainline kernel.
This can alternatively merged to
e682b86211a1 thermal: int340x: Handle workload hint interrupts
But not sure how to mark the commit id as they will change.
Whatever you prefer.
Thanks,
Srinivas
>
> > ---
> > .../intel/int340x_thermal/processor_thermal_device_pci.c | 3
> > ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git
> > a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pc
> > i.c
> > b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pc
> > i.c
> > index 44b179ce9bc9..3c5ced79ead0 100644
> > ---
> > a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pc
> > i.c
> > +++
> > b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pc
> > i.c
> > @@ -154,10 +154,11 @@ static irqreturn_t
> > proc_thermal_irq_handler(int irq, void *devid)
> > if (status) {
> > /* Disable enable interrupt flag */
> > proc_thermal_mmio_write(pci_info,
> > PROC_THERMAL_MMIO_INT_ENABLE_0, 0);
> > - pci_write_config_byte(pci_info->pdev, 0xdc, 0x01);
> > pkg_thermal_schedule_work(&pci_info->work);
> > }
> >
> > + pci_write_config_byte(pci_info->pdev, 0xdc, 0x01);
> > +
> > return ret;
> > }
> >
> > --
> > 2.40.1
> >