Re: [PATCHv2 3/4] PCI: layerscape: initialize the number of viewport

From: Lorenzo Pieralisi
Date: Thu Nov 22 2018 - 06:16:54 EST


On Wed, Nov 07, 2018 at 10:09:16AM +0000, Z.q. Hou wrote:
> From: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
>
> FSL implements 6 viewports on Layerscape series SoCs PCIe
> controllers.
>
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
> ---
> V2:
> - Reworded the subject and commit description.
>
> drivers/pci/controller/dwc/pci-layerscape.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/pci/controller/dwc/pci-layerscape.c b/drivers/pci/controller/dwc/pci-layerscape.c
> index 3724d3ef7008..69f3f1a5a782 100644
> --- a/drivers/pci/controller/dwc/pci-layerscape.c
> +++ b/drivers/pci/controller/dwc/pci-layerscape.c
> @@ -280,6 +280,9 @@ static int __init ls_add_pcie_port(struct ls_pcie *pcie)
>
> pp->ops = pcie->drvdata->ops;
>
> + /* FSL implements 6 windows */
> + pci->num_viewport = 6;

There is a DT property to configure this value, I am not sure it was the
right thing to do to add it but since it is there use it.

I will not consider this patch for merging.

Lorenzo

> ret = dw_pcie_host_init(pp);
> if (ret) {
> dev_err(dev, "failed to initialize host\n");
> --
> 2.17.1
>