diff mbox series

[v2,5/5] PCI: keystone: Set DMA mask and coherent DMA mask

Message ID 20211126083119.16570-6-kishon@ti.com (mailing list archive)
State New, archived
Delegated to: Lorenzo Pieralisi
Headers show
Series PCI: Keystone: Misc fixes for TI's AM65x PCIe | expand

Commit Message

Kishon Vijay Abraham I Nov. 26, 2021, 8:31 a.m. UTC
Set DMA mask and coherent DMA mask such to indicate the device
can address the entire address space (32-bit in the case of
K2G and 48-bit in the case of AM654).

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
 drivers/pci/controller/dwc/pci-keystone.c | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Christian Gmeiner Feb. 28, 2022, 11:38 a.m. UTC | #1
Hi all.

Am So., 28. Nov. 2021 um 18:12 Uhr schrieb Kishon Vijay Abraham I
<kishon@ti.com>:
>
> Set DMA mask and coherent DMA mask such to indicate the device
> can address the entire address space (32-bit in the case of
> K2G and 48-bit in the case of AM654).
>
> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
> ---
>  drivers/pci/controller/dwc/pci-keystone.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
> index 73e6626a0d8f..80dbab267f7b 100644
> --- a/drivers/pci/controller/dwc/pci-keystone.c
> +++ b/drivers/pci/controller/dwc/pci-keystone.c
> @@ -1224,6 +1224,11 @@ static int __init ks_pcie_probe(struct platform_device *pdev)
>                 return ret;
>         }
>
> +       if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(48))) {
> +               dev_err(dev, "Cannot set DMA mask\n");
> +               return -EINVAL;
> +       }
> +
>         ret = of_property_read_u32(np, "num-lanes", &num_lanes);
>         if (ret)
>                 num_lanes = 1;
> --
> 2.17.1
>

Can this single patch (from the whole series) be merged?
diff mbox series

Patch

diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
index 73e6626a0d8f..80dbab267f7b 100644
--- a/drivers/pci/controller/dwc/pci-keystone.c
+++ b/drivers/pci/controller/dwc/pci-keystone.c
@@ -1224,6 +1224,11 @@  static int __init ks_pcie_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(48))) {
+		dev_err(dev, "Cannot set DMA mask\n");
+		return -EINVAL;
+	}
+
 	ret = of_property_read_u32(np, "num-lanes", &num_lanes);
 	if (ret)
 		num_lanes = 1;