From: Bob Moore Date: Mon, 18 Oct 2010 00:43:13 +0000 (+0800) Subject: ACPICA: Comment update; no functional change X-Git-Tag: v2.6.37-rc1~100^2~12^2~6 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=3989170f8e3c1bd71d8f7ec6e3d52e46815ee096;p=linux.git ACPICA: Comment update; no functional change Add a usage note to InstallAddressSpaceHandler. Signed-off-by: Bob Moore Signed-off-by: Lin Ming Signed-off-by: Len Brown --- diff --git a/drivers/acpi/acpica/evxfregn.c b/drivers/acpi/acpica/evxfregn.c index 541cbc1544d5..ce9314f79451 100644 --- a/drivers/acpi/acpica/evxfregn.c +++ b/drivers/acpi/acpica/evxfregn.c @@ -64,6 +64,12 @@ ACPI_MODULE_NAME("evxfregn") * * 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_install_address_space_handler(acpi_handle device,