> > > I am wondering if we should only set QUEUE_RUN bit here. > > > > I didn't check the manual, but I guess writing to MXS_I2C_QUEUECTRL_CLR > > just clears the QUEUE_RUN bit and nothing else?! > > I think the RUN bit will be cleared by the controller anyway, so this patch is > pointless. How do you get this idea? Given 27.3.2 and our experiences, I'd be very surprised. Try putting the system under heavy load without this patch and you'll see that FIFOs might be sent half filled when interrupted while filling. -- Pengutronix e.K. | Wolfram Sang | Industrial Linux Solutions | http://www.pengutronix.de/ |
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