On Fri, 2014-09-05 at 09:45AM +0200, Lars-Peter Clausen wrote: > The tx_empty() callback currently checks the TXEMPTY bit in the interrupt > status register to decided whether the FIFO should be reported as empty or > not. The bit in this register gets set when the FIFO state transitions from > non-empty to empty but is cleared again in the interrupt handler. This means > it is not suitable to be used to decided whether the FIFO is currently empty > or not. Instead use the TXEMPTY bit from the status register which will be > set as long as the FIFO is empty. > > Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx> Acked-by: Soren Brinkmann <soren.brinkmann@xxxxxxxxxx> Sören -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
