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staging: brcm80211: bugfix for softmac crash on multi cpu configurations
Solved a locking issue that resulted in driver crashes with the 43224 and 43225 chips. The problem has been reported on several fora. Root cause was two fold: hardware was being manipulated by two unsynchronized threads, and a scan operation could interfere with an ongoing dynamic calibration process. Fix was to invoke a lock on wl_ops_config() operation and to set internal flags when a scan operation is started and stopped. Please add this to the staging-linus branch. Reviewed-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Roland Vossen <rvossen@broadcom.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Roland Vossen
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Greg Kroah-Hartman
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Feb 2, 2011
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