Re: [PATCH] PCI: qcom: Add support for handling MSIs from 8 endpoints

[Lorenzo Pieralisi]

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@xxxxxxxxxx>
> ---
>  drivers/pci/controller/dwc/pcie-qcom.c | 1 +
>  1 file changed, 1 insertion(+)

Need an ACK from qcom maintainers.

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
>