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authorRafael J. Wysocki <rjw@sisk.pl>2007-12-03 18:01:50 +0100
committerLen Brown <len.brown@intel.com>2007-12-04 01:35:32 -0500
commit561d9a969455cb009bb15b63e1d925dc527e7a9d (patch)
treec5465a27338ef4ca6cf0b554e86d0f2a880815d7 /fs/jffs2
parent09b56adc98e0f8a21644fcb4d20ad367c3fceb55 (diff)
downloadlinux-561d9a969455cb009bb15b63e1d925dc527e7a9d.tar.bz2
HWMON: coretemp, suspend fix
It's not permitted to unregister a device after devices have been suspended. It causes deadlocks to appear on systems with coretemp hwmon loaded.  To avoid this, we can make coretemp_cpu_callback() do nothing if the _FROZEN bit is set in action.   Also, in other cases it's generally too late to unregister the coretemp device if the CPU is already dead, so it should be unregistered on CPU_DOWN_PREPARE.   Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Mark M. Hoffman <mhoffman@lightlink.com> Cc: Jiri Slaby <jirislaby@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
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