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[Xen-devel] Re: Fix the bug that can't do S3 when use ACPI 1.0

  • To: "Chen, Huacai" <huacai.chen@xxxxxxxxx>
  • From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
  • Date: Tue, 10 Jun 2008 13:46:23 +0100
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 10 Jun 2008 05:47:12 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcjKmKhEp651t9tTReufFka+Y7Bm/gAX1S3C
  • Thread-topic: Fix the bug that can't do S3 when use ACPI 1.0

See c/s 17814. By upgrading our ACPI code to Linux 2.6.26 I hope this
problem is gone away. I pulled in the generic acpi_gbl_FADT setup code.

 -- Keir

On 10/6/08 02:23, "Chen, Huacai" <huacai.chen@xxxxxxxxx> wrote:

> Hi, Keir,
> The structure of FADT is different in ACPI 1.0 from ACPI 2.0+. If use
> ACPI 1.0, FADT has no fields with an "x" prefix, so acpi_gbl_FADT can't
> get the registers' information. This patch convert the non-x fields into
> ACPI 2.0+'s x fields.
> Signed-off-by: Huacai Chen <huacai.chen@xxxxxxxxx>

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