Re: [PATCH v5 1/8] misc: Add support for LAN966x PCI device

From: Bjorn Helgaas
Date: Thu Sep 12 2024 - 13:01:07 EST


On Thu, Aug 08, 2024 at 05:46:50PM +0200, Herve Codina wrote:
> Add a PCI driver that handles the LAN966x PCI device using a device-tree
> overlay. This overlay is applied to the PCI device DT node and allows to
> describe components that are present in the device.
>
> The memory from the device-tree is remapped to the BAR memory thanks to
> "ranges" properties computed at runtime by the PCI core during the PCI
> enumeration.
>
> The PCI device itself acts as an interrupt controller and is used as the
> parent of the internal LAN966x interrupt controller to route the
> interrupts to the assigned PCI INTx interrupt.
>
> Signed-off-by: Herve Codina <herve.codina@xxxxxxxxxxx>
> ---
> drivers/misc/Kconfig | 24 ++++
> drivers/misc/Makefile | 3 +
> drivers/misc/lan966x_pci.c | 215 ++++++++++++++++++++++++++++++++++
> drivers/misc/lan966x_pci.dtso | 167 ++++++++++++++++++++++++++
> drivers/pci/quirks.c | 1 +

Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> # drivers/pci/quirks.c

> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index a2ce4e08edf5..bae2dd99017c 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -6245,6 +6245,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0xa76e, dpc_log_size);
> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_XILINX, 0x5020, of_pci_make_dev_node);
> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_XILINX, 0x5021, of_pci_make_dev_node);
> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_REDHAT, 0x0005, of_pci_make_dev_node);
> +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_EFAR, 0x9660, of_pci_make_dev_node);
>
> /*
> * Devices known to require a longer delay before first config space access
> --
> 2.45.0
>