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From
SubjectRe: PATCH: rename legacy bus to platform bus
Date
Followup to:  <3F97EF84.2060901@hp.com>
By author: Jamey Hicks <jamey.hicks@hp.com>
In newsgroup: linux.dev.kernel
>
> Many of us, especially in the embedded computing world, think that
> "legacy bus" is a misnomer. It's not going away. What do root PCI
> buses connect to? At the root of the device tree there is a bus. This
> patch changes the name from legacy bus to platform bus. I'm hoping this
> change can be made even this late in the development cycle. It is a
> pretty small patch but I think that naming is very important.
>

From a PCI terminology perspective, this is misleading.

The root PCI bus connects to a HOST bus.

The LEGACY bus connects to the subtractive decoding device.

In a PC system, LEGACY busses are basically ISA and LPC.

-hpa
--
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