[PATCH v2 1/1] Revert "ARM: dts: Update pcie ranges for dra7"
Siddharth Vadapalli
s-vadapalli at ti.com
Thu May 22 22:32:38 PDT 2025
On Thu, May 22, 2025 at 03:29:34PM -0400, Frank Li wrote:
Hello Frank,
> On Fri, Apr 11, 2025 at 11:34:54AM -0400, Frank Li wrote:
> > This reverts commit c761028ef5e27f477fe14d2b134164c584fc21ee.
> >
> > The commit being reverted updated the "ranges" property for the sake of
> > readability. However, this change is no longer appropriate due to the
> > following reasons:
> >
> > - On many SoCs, the PCIe parent bus translates CPU addresses to different
> > values before passing them to the PCIe controller.
> > - The reverted commit introduced a fake address translation, which violates
> > the fundamental DTS principle: the device tree should reflect actual
> > hardware behavior.
> >
> > Reverting this change prepares for the cleanup of the driver's
> > cpu_addr_fixup() hook.
> >
> > Signed-off-by: Frank Li <Frank.Li at nxp.com>
> > ---
>
> s-vadapalli:
>
> Any update about this patch? it prepare to remove cpu_addr_fixes()!
This patch looks good to me, but I was hoping that Tony Lindgren, who is
the author of the commit being reverted, would provide feedback as well.
Regards,
Siddharth.
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