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authorRafael J. Wysocki <rjw@sisk.pl>2010-11-25 00:10:44 +0100
committerLen Brown <len.brown@intel.com>2011-01-12 04:48:45 -0500
commitbf325f9538d8c89312be305b9779edbcb436af00 (patch)
treefee681d8bf0c0058450b34a325bb60c5f02994aa /fs/cifs/cifsfs.h
parent97d9a9e9f5ee68f20005ca5aa77c6b684e7cace8 (diff)
ACPI / PM: Register power resource devices as soon as they are needed
Depending on the organization of the ACPI namespace, power resource device objects may generally be scanned after the "regular" device objects that they are referred from through _PRn. This, in turn, may cause acpi_bus_get_power_flags() to attempt to access them through acpi_bus_init_power() before they are registered (and initialized by acpi_power_driver). [This is not a theoretical issue, it actually happens for one PnP device on my testbed HP nx6325.] To fix this problem, make acpi_bus_get_power_flags() attempt to register power resource devices as soon as they have been found in the _PRn output for any other devices. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'fs/cifs/cifsfs.h')
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