tree ec42456926e50a4b0adf916ac1c5f39f76e057f8
parent ae8d4ee7ff429136c8b482c3b38ed994c021d3fc
author Shaohua Li <shaohua.li@intel.com> 1193967158 +0800
committer Jeff Garzik <jeff@garzik.org> 1201083849 -0500

libata-acpi: add ACPI _PSx method

ACPI spec (ver 3.0a, p289) requires IDE power on/off executes ACPI _PSx
methods. As recently most PATA drivers use libata, this patch adds _PSx
method support in libata. ACPI spec doesn't mention if SATA requires the
same _PSx method.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>