On Tue, May 8, 2018 at 10:06 PM, Kim Phillips <kim.phill...@arm.com> wrote:
> This patch is provided in the context of allowing the Coresight driver
> subsystem to be loaded as modules. Coresight uses amba_bus in its call
> to bus_find_device() in of_coresight_get_endpoint_device() when
> searching for a configurable endpoint device. This patch allows
> Coresight to reference amba_bustype when built as a module.
> --- a/drivers/amba/bus.c
> +++ b/drivers/amba/bus.c
> @@ -197,6 +197,7 @@ struct bus_type amba_bustype = {
> .pm = &amba_pm,
> .force_dma = true,
> };
> +EXPORT_SYMBOL_GPL(amba_bustype);
Oh,
What wrong with the approach let's say similar to PCI bus?
Whenever you have a struct device you may use two helpers:
dev_is_pci() -> is the device of PCI bus type?
to_pci_dev() -> get's container of struct device for PCI bus case
--
With Best Regards,
Andy Shevchenko
