Hi Bjorn,
Am Fr., 18. Feb. 2022 um 11:56 Uhr schrieb Kishon Vijay Abraham I
<kishon@xxxxxx>:
>
> Hi Bjorn,
>
> On 01/02/22 3:35 am, Bjorn Helgaas wrote:
> > Update subject line to match previous conventions ("git log --oneline
> > drivers/pci/controller/cadence/pcie-cadence-host.c" to see).
> >
> > On Mon, Jan 31, 2022 at 01:08:27PM +0100, Christian Gmeiner wrote:
> >> This enables the Controller [RP] to automatically respond
> >> with Response/ResponseD messages.
> >
> > Update to imperative mood, e.g., "Enable Controller to ...":
> >
> > https://chris.beams.io/posts/git-commit/
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/maintainer-tip.rst?id=v5.16#n134
> >
> >> Signed-off-by: Christian Gmeiner <christian.gmeiner@xxxxxxxxx>
> >> ---
> >> drivers/pci/controller/cadence/pcie-cadence-host.c | 10 ++++++++++
> >> drivers/pci/controller/cadence/pcie-cadence.h | 4 ++++
> >> 2 files changed, 14 insertions(+)
> >>
> >> diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c
> >> index fb96d37a135c..940c7dd701d6 100644
> >> --- a/drivers/pci/controller/cadence/pcie-cadence-host.c
> >> +++ b/drivers/pci/controller/cadence/pcie-cadence-host.c
> >> @@ -123,6 +123,14 @@ static int cdns_pcie_retrain(struct cdns_pcie *pcie)
> >> return ret;
> >> }
> >>
> >> +static void cdns_pcie_host_enable_ptm_response(struct cdns_pcie *pcie)
> >> +{
> >> + u32 val;
> >> +
> >> + val = cdns_pcie_readl(pcie, CDNS_PCIE_LM_PTM_CTRL);
> >> + cdns_pcie_writel(pcie, CDNS_PCIE_LM_PTM_CTRL, val | CDNS_PCIE_LM_TPM_CTRL_PTMRSEN);
> >
> > I assume this is some device-specific enable bit that is effectively
> > ANDed with PCI_PTM_CTRL_ENABLE in the Precision Time Measurement
> > Capability?
>
> That's correct. This bit enables Controller [RP] to respond to the received PTM
> Requests.
>
With that information is it okay for you that I send a V2 of this
patch with an improved commit message or do
you see any other problems that I need to take into account?
--
greets
--
Christian Gmeiner, MSc
https://christian-gmeiner.info/privacypolicy
