From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: bjorn.andersson@linaro.org, bhelgaas@google.com,
svarbanov@mm-sol.com, robh@kernel.org, linux-pci@vger.kernel.org,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] PCI: qcom: Add support for handling MSIs from 8 endpoints
Date: Mon, 14 Mar 2022 10:52:16 +0530 [thread overview]
Message-ID: <20220314052216.GA10218@workstation> (raw)
In-Reply-To: <20220223100145.GA26873@lpieralisi>
On Wed, Feb 23, 2022 at 10:01:45AM +0000, Lorenzo Pieralisi wrote:
> On Tue, Dec 14, 2021 at 03:43:19PM +0530, Manivannan Sadhasivam wrote:
> > The DWC controller used in the Qcom Platforms are capable of addressing the
> > MSIs generated from 8 different endpoints each with 32 vectors (256 in
> > total). Currently the driver is using the default value of addressing the
> > MSIs from 1 endpoint only. Extend it by passing the MAX_MSI_IRQS to the
> > num_vectors field of pcie_port structure.
> >
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> > ---
> > drivers/pci/controller/dwc/pcie-qcom.c | 1 +
> > 1 file changed, 1 insertion(+)
>
> Need an ACK from qcom maintainers.
>
I think this one can be merged now.
Thanks,
Mani
> Thanks,
> Lorenzo
>
> > diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
> > index 1c3d1116bb60..8a4c08d815a5 100644
> > --- a/drivers/pci/controller/dwc/pcie-qcom.c
> > +++ b/drivers/pci/controller/dwc/pcie-qcom.c
> > @@ -1550,6 +1550,7 @@ static int qcom_pcie_probe(struct platform_device *pdev)
> > pci->dev = dev;
> > pci->ops = &dw_pcie_ops;
> > pp = &pci->pp;
> > + pp->num_vectors = MAX_MSI_IRQS;
> >
> > pcie->pci = pci;
> >
> > --
> > 2.25.1
> >
next prev parent reply other threads:[~2022-03-14 5:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-14 10:13 [PATCH] PCI: qcom: Add support for handling MSIs from 8 endpoints Manivannan Sadhasivam
2022-02-23 10:01 ` Lorenzo Pieralisi
2022-03-14 5:22 ` Manivannan Sadhasivam [this message]
2022-03-28 14:20 ` Manivannan Sadhasivam
2022-03-28 14:39 ` Lorenzo Pieralisi
2022-04-08 9:52 ` Lorenzo Pieralisi
2022-02-23 10:03 ` Dmitry Baryshkov
2022-02-23 10:30 ` Stanimir Varbanov
2022-04-08 10:03 ` Lorenzo Pieralisi
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