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SubjectRe: [RFC] [PATCH] Device Tree on ARM platform
From: David Gibson <>
Date: Thu, 28 May 2009 12:52:58 +1000

> The of_platform bus model is conceptually completely broken, but in
> practice only slightly broken for all common cases.

The fact that every single SBUS and EBUS driver for sparc is now an
of_platform driver, and the fact that as a further result joint
SBUS/PCI drivers are now almost completely unified, speaks volumes to
the fact that it is not broken.

Yes, you'll have some non-shared probing code, one to fetch the
resources from PCI/platform_device/whatever and one for of_device.

But, I say big deal.

The rest remains entirely unified, even the DMA calls are all the
same in unified SBUS/EBUS/PCI device drivers. It just works.

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