Re: [PATCH V2] PCI: tegra194: Set EP alignment restriction for inbound ATU

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On Wed, May 08, 2024 at 10:22:07AM +0100, Jon Hunter wrote:
> Tegra194 and Tegra234 PCIe EP controllers have 64K alignment
> restriction for the inbound ATU. Set the endpoint inbound ATU alignment to
> 64kB in the Tegra194 PCIe driver.
> 
> Fixes: c57247f940e8 ("PCI: tegra: Add support for PCIe endpoint mode in Tegra194")
> Suggested-by: Manikanta Maddireddy <mmaddireddy@xxxxxxxxxx>
> Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
> ---
> Changes since V1: Updated commit message.
> 
>  drivers/pci/controller/dwc/pcie-tegra194.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c
> index 93f5433c5c55..4537313ef37a 100644
> --- a/drivers/pci/controller/dwc/pcie-tegra194.c
> +++ b/drivers/pci/controller/dwc/pcie-tegra194.c
> @@ -2015,6 +2015,7 @@ static const struct pci_epc_features tegra_pcie_epc_features = {
>  	.bar[BAR_3] = { .type = BAR_RESERVED, },
>  	.bar[BAR_4] = { .type = BAR_RESERVED, },
>  	.bar[BAR_5] = { .type = BAR_RESERVED, },
> +	.align = SZ_64K,
>  };
>  
>  static const struct pci_epc_features*
> -- 
> 2.34.1
> 

Reviewed-by: Niklas Cassel <cassel@xxxxxxxxxx>




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