On Friday, June 1, 2018 9:09:43 PM CEST Erik Schmauss wrote:
> Reviewed-by: Changzhong Li <changzhong.li@xxxxxxxxx>
> Reviewed-by: Rui Zhang <rui.zhang@xxxxxxxxx>
> Signed-off-by: Erik Schmauss <erik.schmauss@xxxxxxxxx>
> ---
> Documentation/acpi/method-customizing.txt | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/Documentation/acpi/method-customizing.txt b/Documentation/acpi/method-customizing.txt
> index a3f598e141f2..7235da975f23 100644
> --- a/Documentation/acpi/method-customizing.txt
> +++ b/Documentation/acpi/method-customizing.txt
> @@ -16,7 +16,8 @@ control method rather than override the entire DSDT, because kernel
> rebuild/reboot is not needed and test result can be got in minutes.
>
> Note: Only ACPI METHOD can be overridden, any other object types like
> - "Device", "OperationRegion", are not recognized.
> + "Device", "OperationRegion", are not recognized. Methods
> + declared inside scope operators are also not supported.
> Note: The same ACPI control method can be overridden for many times,
> and it's always the latest one that used by Linux/kernel.
> Note: To get the ACPI debug object output (Store (AAAA, Debug)),
> @@ -32,8 +33,6 @@ Note: To get the ACPI debug object output (Store (AAAA, Debug)),
>
> DefinitionBlock ("", "SSDT", 1, "", "", 0x20080715)
> {
> - External (ACON)
> -
> Method (\_SB_.AC._PSR, 0, NotSerialized)
> {
> Store ("In AC _PSR", Debug)
> @@ -42,9 +41,10 @@ Note: To get the ACPI debug object output (Store (AAAA, Debug)),
> }
> Note that the full pathname of the method in ACPI namespace
> should be used.
> - And remember to use "External" to declare external objects.
> e) assemble the file to generate the AML code of the method.
> - e.g. "iasl psr.asl" (psr.aml is generated as a result)
> + e.g. "iasl -vw 6084 psr.asl" (psr.aml is generated as a result)
> + If parameter "-vw 6084" is not supported by your iASL compiler,
> + please try a newer version.
> f) mount debugfs by "mount -t debugfs none /sys/kernel/debug"
> g) override the old method via the debugfs by running
> "cat /tmp/psr.aml > /sys/kernel/debug/acpi/custom_method"
>
Applied, thanks!
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