REGRESSION in 6.0-rc7 caused by patch "ARM/dma-mapping: use dma-direct unconditionally"

Marek Behún kabel at kernel.org
Mon Oct 3 12:04:46 PDT 2022


On Mon, 3 Oct 2022 18:09:50 +0200
Pali Rohár <pali at kernel.org> wrote:

> On Monday 03 October 2022 17:25:33 Marek Behún wrote:
> > I seem to remember Pali talking about how the ranges defined in some
> > upstream mvebu-tree, using MBUS_ID() macros, are incorrect.
> > Pali, what do you remember about this?  
> 
> This is "incorrect" in respect to the standard DT translation of
> "ranges" property. And applies for PCIe. Anyway, it works correctly just
> because mvebu PCIe drivers (both u-boot and linux) have workarounds for
> those issues, and expects that DT are "incorrect". So lets say mvebu
> PCIe defined _new DT standard_ for PCIe incompatible with DT standard.

So this doesn't concert non-PCIe peripherals?



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