Dirk sent a very interesting bug report[1]. This series is what I found out by reviewing the driver. It is not tested yet because I couldn't trigger the code path yet. The console still works normally with these patches. Still, I am already curious in hearing your opinions, so here is what I have... [1] https://lore.kernel.org/r/ee6c9e16-9f29-450e-81da-4a8dceaa8fc7@xxxxxxxxxxxx Wolfram Sang (2): serial: sh-sci: start hrtimer after setting up DMA serial: sh-sci: always cancel hrtimer when DMA RX is invalidated drivers/tty/serial/sh-sci.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) -- 2.43.0
