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    avr32: favr-32: clk_round_rate() can return a zero upon error · 464b500e
    Paul Walmsley 提交于
    Treat both negative and zero return values from clk_round_rate() as
    errors.  This is needed since subsequent patches will convert
    clk_round_rate()'s return value to be an unsigned type, rather than a
    signed type, since some clock sources can generate rates higher than
    (2^31)-1 Hz.
    
    Eventually, when calling clk_round_rate(), only a return value of zero
    will be considered a error.  All other values will be considered valid
    rates.  The comparison against values less than 0 is kept to preserve
    the correct behavior in the meantime.
    Signed-off-by: NPaul Walmsley <paul@pwsan.com>
    Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
    Cc: Håvard Skinnemoen <hskinnemoen@gmail.com>
    Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
    Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
    Acked-by: NHans-Christian Egtvedt <egtvedt@samfundet.no>
    464b500e
setup.c 7.9 KB