Messages in this thread | | | Date | Wed, 02 Jul 2014 14:41:54 +0200 | From | Sylwester Nawrocki <> | Subject | Re: ABBA deadlock in Common Clock Framework |
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On 02/07/14 13:49, Peter De Schrijver wrote: > Or if you use notifiers which use i2c... See also > http://comments.gmane.org/gmane.linux.kernel/1553699. One workaround is to > always leave the clock of the i2c controller in a prepared state.
Keeping the clock always prepared might not be that bad, given prepare/unprepare ops are empty on Exynos and I'd say chances this ever changes are very low. Now we have just an overhead of calling to the clock core before and after each single I2C transfer.
-- Regards, Sylwester
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