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hw/i386: Fix _STA return value for ACPI0017 

Found whilst testing a series for the linux kernel that actually
bothers to check if enabled is set. 0xB is the option used
for vast majority of DSDT entries in QEMU.
It is a little odd for a device that doesn't really exist and
is simply a hook to tell the OS there is a CEDT table but 0xB
seems a reasonable choice and avoids need to special case
this device in the OS.

Means:
* Device present.
* Device enabled and decoding it's resources.
* Not shown in UI
* Functioning properly
* No battery (on this device!)

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Message-Id: <20240126120132.24248-12-Jonathan.Cameron@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
master
Jonathan Cameron 2024-01-26 12:01:31 +00:00 committed by Michael S. Tsirkin
parent 14ec4ff3e4
commit d9ae5802f6
1 changed files with 1 additions and 1 deletions
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2
hw/i386/acpi-build.c
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@ -1415,7 +1415,7 @@ static void build_acpi0017(Aml *table)
aml_append(dev, aml_name_decl("_HID", aml_string("ACPI0017")));
method = aml_method("_STA", 0, AML_NOTSERIALIZED);
aml_append(method, aml_return(aml_int(0x01)));
aml_append(method, aml_return(aml_int(0x0B)));
aml_append(dev, method);
build_cxl_dsm_method(dev);