libata-acpi: add ACPI _PSx method

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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>

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Shaohua Li 2007-11-02 09:32:38 +08:00 • committed by Jeff Garzik

parent ae8d4ee7ff

commit bd3adca52b

3 changed files with 36 additions and 0 deletions

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30

drivers/ata/libata-acpi.c

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3

drivers/ata/libata-eh.c

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3

drivers/ata/libata.h

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