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An 'ICH9-LPC.enable_tco' property has been exposed for a very long time, but attempts to set it have never been honoured. Originally, any user provided 'enable_tco' value was force replaced by a value passed from the machine type setup code that was determine by machine type compat properties. commitd6b304ba92Author: Eduardo Habkost <ehabkost@redhat.com> Date: Sat Jan 23 14:02:10 2016 -0200 machine: Remove no_tco field The field is always set to zero, so it is not necessary anymore. After legacy Q35 machine types were deleted in: commit86165b499eAuthor: Eduardo Habkost <ehabkost@redhat.com> Date: Sat Jan 23 14:02:09 2016 -0200 q35: Remove old machine versions the machine type code ended up just unconditionally passing 'true', all the time, so this was further simplified in commitd6b304ba92Author: Eduardo Habkost <ehabkost@redhat.com> Date: Sat Jan 23 14:02:10 2016 -0200 machine: Remove no_tco field The field is always set to zero, so it is not necessary anymore. commit18d6abae3eAuthor: Eduardo Habkost <ehabkost@redhat.com> Date: Sat Jan 23 14:02:11 2016 -0200 ich9: Remove enable_tco arguments from init functions The enable_tco arguments are always true, so they are not needed anymore. Leaving the ich9_pm_init to just force set 'enable_tco' to true. This still overrides any user specified property. The initialization of property defaults should be done when properties are first registered, rather than during object construction. Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20221216125749.596075-6-berrange@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>