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Re: [PATCH v1 05/14] xen/arm: PCI host bridge discovery within XEN on ARM
- To: Rahul Singh <rahul.singh@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Oleksandr Andrushchenko <Oleksandr_Andrushchenko@xxxxxxxx>
- Date: Tue, 14 Sep 2021 07:53:32 +0000
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- Cc: Bertrand Marquis <bertrand.marquis@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Tue, 14 Sep 2021 07:53:49 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [PATCH v1 05/14] xen/arm: PCI host bridge discovery within XEN on ARM
Hi, Rahul!
On 19.08.21 15:02, Rahul Singh wrote:
> XEN during boot will read the PCI device tree node “reg” property
> and will map the PCI config space to the XEN memory.
[snip]
> +int pci_host_common_probe(struct dt_device_node *dev,
> + int ecam_reg_idx)
> +{
> + struct pci_host_bridge *bridge;
> + struct pci_config_window *cfg;
> + int err;
> +
Should we check if the bridge is to be passed through? E.g.
if ( dt_device_for_passthrough(dev) )
return 0;
Thanks,
Oleksandr
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