On Wed, Dec 31, 2014 at 04:34:46PM +0800, Hanjun Guo wrote:

On 2014?12?31? 04:13, ashwinc at codeaurora.org wrote:

quoted

Hi Hanjun,

Overall the document looks good to us. Some minor clarifications below.

quoted

---------- Forwarded message ----------
From: Graeme Gregory <redacted>

Add documentation for the guidelines of how to use ACPI
on ARM64.

Signed-off-by: Graeme Gregory <redacted>
Signed-off-by: Al Stone <redacted>
Signed-off-by: Hanjun Guo <redacted>
---
 Documentation/arm64/arm-acpi.txt |  323
++++++++++++++++++++++++++++++++++++++
 1 file changed, 323 insertions(+)
 create mode 100644 Documentation/arm64/arm-acpi.txt

[..]

quoted

+Relationship with Device Tree
+-----------------------------

[..]

quoted

+When booting using ACPI tables, the /chosen node in DT will still be
parsed
+to extract the kernel command line and initrd path.  No other section of
the
+DT will be used.

Is this still true?

No, we can booting the ACPI system in EFI stub without dtb. Catalin
also pointed out this issue, I will remove this paragraph.

The paragraph is still correct, the /chosen node is always present even
if nothing else is.

Graeme