Alex Elder 894cbc3136 greybus: update operation result atomically ... An operation result can be set both in and out of interrupt context. For example, a response message could be arriving at the same time a timeout of the operation is getting processed. We therefore need to ensure the result is accessed atomically. Protect updates to the errno field using the operations spinlock. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>		2014-11-25 15:05:35 -08:00
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staging/greybus	greybus: update operation result atomically	2014-11-25 15:05:35 -08:00