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authorBjorn Helgaas <bjorn.helgaas@hp.com>2009-11-17 17:05:19 -0700
committerLen Brown <len.brown@intel.com>2009-12-15 17:35:26 -0500
commit9065ce4500085b9ca66b19d3c4d21a73cb410173 (patch)
treec487e3f9b3b56cc829ea2362a33b888a42d83f8f /drivers/char
parentc4da6940a7a41c72781ff2d62ebd4b99f3749f14 (diff)
PNP: add interface to retrieve ACPI device from a PNPACPI device
Add pnp_acpi_device(pnp_dev), which takes a PNP device and returns the associated ACPI device (or NULL, if the device is not a PNPACPI device). This allows us to write a PNP driver that can manage both traditional PNPBIOS and ACPI devices, treating ACPI-only functionality as an optional extension. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
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