Alan Bennett wrote: > I've got a routine that needs to delay for X microseconds, this is a > must. The command after schedule_timeout must has to wait for the HW > to complete a task that takes X microseconds. > > I would think that one way to do this is with a simple > schedule_timeout. But in the example below, the time that passes from > run1() to dontrun() is far less than 3.2 msecs. Infact, sometimes its > ~ 800 micros according the a analyzer looking at points triggered in > run1() and donrun(). Could this be a configuration problem with the > timer/interrupt that generates the jiffies?
Are you sure the timebase frequency is set correctly in the device tree? -Scott _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
