linux-kernel - Re: [PATCH v4 0/5] PCI: endpoint: Rework the EPC to EPF notification

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Message-ID: <20221108121440.GA29115@thinkpad>
Date:   Tue, 8 Nov 2022 17:44:40 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     kishon@...nel.org, lpieralisi@...nel.org, bhelgaas@...gle.com,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        kw@...ux.com, robh@...nel.org, vidyas@...dia.com, vigneshr@...com
Subject: Re: [PATCH v4 0/5] PCI: endpoint: Rework the EPC to EPF notification

On Mon, Nov 07, 2022 at 02:28:53PM -0600, Bjorn Helgaas wrote:
> On Tue, Oct 25, 2022 at 08:20:56PM +0530, Manivannan Sadhasivam wrote:
> > Hello,
> > 
> > During the review of the patch that fixes DBI access in PCI EP, Rob
> > suggested [1] using a fixed interface for passing the events from EPC to
> > EPF instead of the in-kernel notifiers.
> 
> > Manivannan Sadhasivam (5):
> >   PCI: dra7xx: Use threaded IRQ handler for "dra7xx-pcie-main" IRQ
> >   PCI: tegra194: Move dw_pcie_ep_linkup() to threaded IRQ handler
> >   PCI: endpoint: Use a separate lock for protecting epc->pci_epf list
> >   PCI: endpoint: Use callback mechanism for passing events from EPC to
> >     EPF
> >   PCI: endpoint: Use link_up() callback in place of LINK_UP notifier
> > 
> >  drivers/pci/controller/dwc/pci-dra7xx.c       |  2 +-
> >  drivers/pci/controller/dwc/pcie-tegra194.c    |  9 ++++-
> >  drivers/pci/endpoint/functions/pci-epf-test.c | 38 ++++++-------------
> >  drivers/pci/endpoint/pci-epc-core.c           | 32 ++++++++++++----
> >  include/linux/pci-epc.h                       | 10 +----
> >  include/linux/pci-epf.h                       | 19 ++++++----
> >  6 files changed, 59 insertions(+), 51 deletions(-)
> 
> Doesn't apply cleanly on v6.1-rc1.  Does it depend on something else?

Yes, this patch:
https://lore.kernel.org/linux-pci/20220825090101.20474-1-hayashi.kunihiko@socionext.com/

Since this patch is already merged by Lorenzo, I based this series on top of
that. If that's not required, I can send a new version without that patch.

Let me know.

Thanks,
Mani

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