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ACPICA: Comment update; no functional change

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Add a usage note to InstallAddressSpaceHandler.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bob Moore 2010-10-18 08:43:13 +08:00 • committed by Len Brown
parent 3af283e114
commit 3989170f8e
1 changed files with 6 additions and 0 deletions
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6
drivers/acpi/acpica/evxfregn.c
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@ -64,6 +64,12 @@ ACPI_MODULE_NAME("evxfregn")
* *
* DESCRIPTION: Install a handler for all op_regions of a given space_id. * DESCRIPTION: Install a handler for all op_regions of a given space_id.
* *
* NOTE: This function should only be called after acpi_enable_subsystem has
* been called. This is because any _REG methods associated with the Space ID
* are executed here, and these methods can only be safely executed after
* the default handlers have been installed and the hardware has been
* initialized (via acpi_enable_subsystem.)
*
******************************************************************************/ ******************************************************************************/
acpi_status acpi_status
acpi_install_address_space_handler(acpi_handle device, acpi_install_address_space_handler(acpi_handle device,