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    Subject[ 22/68] ath9k_hw: avoid possible infinite loop in ar9003_get_pll_sqsum_dvc
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    From: Greg KH <gregkh@linuxfoundation.org>

    3.0-stable review patch. If anyone has any objections, please let me know.

    ------------------

    From: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>

    commit f18e3c6b67f448ec47b3a5b242789bd3d5644879 upstream.

    "ath9k: Fix softlockup in AR9485" with commit id
    64bc1239c790e051ff677e023435d770d2ffa174 fixed the reported
    issue, yet its better to avoid the possible infinite loop
    in ar9003_get_pll_sqsum_dvc by having a timeout as suggested
    by ath9k maintainers.
    http://www.spinics.net/lists/linux-wireless/msg92126.html.
    Based on my testing PLL's locking measurement is done in
    ~200us (2 iterations).



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