Messages in this thread | | | Date | Thu, 24 Feb 2011 13:35:46 +0100 | Subject | Re: [PATCH 1/1]mmc: fix division by zero when calculate mmc erase time | From | Linus Walleij <> |
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2011/2/24 Chuanxiao Dong <chuanxiao.dong@intel.com>: > Since if clock gating feature is enabled, the clock frequency may be zero when > host clock is gated. In such scenario, mmc_set_mmc_erase_timeout() may have a > division by zero bug. > > So this patch used mmc_host_clk_rate() to fix this. > > Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Actually I think these divide-by zero bugs were there before since clock 0 is perfectly legal, we just didn't trigger them before.
Yours, Linus Walleij
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