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authorBjorn Helgaas <bjorn.helgaas@hp.com>2009-09-21 13:35:14 -0600
committerLen Brown <len.brown@intel.com>2009-09-25 14:26:02 -0400
commitb1fbfb2ae8f2f0e04219218da6f52f7313466899 (patch)
treef038ea487be82ccd96c21f143cdded80b0e52c12 /drivers/ata
parentea8d82fd316208bd0ffe6f64823d04bcb8c57158 (diff)
ACPI: make sure every acpi_device has an ID
This makes sure every acpi_device has at least one ID. If we build an acpi_device for a namespace node with no _HID or _CID, we sometimes synthesize an ID like "LNXCPU" or "LNXVIDEO". If we don't even have that, give it a default "device" ID. Note that this means things like: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/HWP0001:00/HWP0002:04/device:00 (a PCI slot SxFy device) will have "hid" and "modprobe" entries, where they didn't before. These aren't very useful (a HID of "device" doesn't tell you what *kind* of device it is, so it doesn't help find a driver), but I don't think they're harmful. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
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