On Fri, 2012-05-11 at 00:40 +0800, Jiang Liu wrote: > On 05/09/2012 04:12 AM, Toshi Kani wrote: > > Added CONFIG_ACPI_HOTPLUG_OPT option. When this config option is disabled, > > this patchset has no effect on the platform. This option is disabled by > > default. The dependency list assures consistent behavior among CPU, memory > > and container hotplug operations with regarding the _OST support. > Seems also need to enhance the acpiphp driver for PCI hotplug operations too. > acpiphp driver is also based on the ACPI device hotplug model. Good question. ACPI PCI hotplug is a legacy method, which is being replaced by PCI native hotplug. I expect PCI native hotplug will be used for any platforms supporting PCI-E. Since this _OST support is targeted for new platforms (as _OST is not supported on the current platforms), I thought that it would be prudent to avoid changing PCI hotplug code for this. Thanks, -Toshi > > > > Signed-off-by: Toshi Kani <toshi.kani@xxxxxx> > > --- > > drivers/acpi/Kconfig | 14 ++++++++++++++ > > 1 files changed, 14 insertions(+), 0 deletions(-) > > > > diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig > > index 47768ff..1e3a756 100644 > > --- a/drivers/acpi/Kconfig > > +++ b/drivers/acpi/Kconfig > > @@ -351,6 +351,20 @@ config ACPI_HOTPLUG_MEMORY > > To compile this driver as a module, choose M here: > > the module will be called acpi_memhotplug. > > > > +config ACPI_HOTPLUG_OST > > + bool "Hotplug Status Indication Support" > > + depends on ACPI_HOTPLUG_CPU > > + depends on ACPI_HOTPLUG_MEMORY > > + depends on ACPI_CONTAINER > > + default n > > + help > > + This option enables the use of the ACPI OSPM Status Indication > > + (_OST), if available, for the platform to determine the status > > + of various hotplug operations. Some platforms may require this > > + option be enabled to track the status of hotplug operations. > > + This option has no effect when the platform does not support > > + _OST. > > + > > config ACPI_SBS > > tristate "Smart Battery System" > > depends on X86 > -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
