On 18 March 2014 18:18, Rob Herring <robherri...@gmail.com> wrote: > From: Rob Herring <rob.herr...@linaro.org> > > Intermittent issues have been seen where no serial input occurs. It > appears the pl011 gets in a state where the rx interrupt never fires > because the rx interrupt only asserts when crossing the fifo trigger > level. The fifo state appears to get out of sync when the pl011 is > re-configured. This combined with the rx timeout interrupt not being > modeled results in no more rx interrupts. > > This problem is fixed by the 1st patch. The 2 other patches are problems > I noticed while debugging this issue. They are more for correctness of > the model than fixing any observed issues. > > Changes in v3: > - Fix logic for checking if FIFO enable bit has changed > - Add vmstate for UARTRSR register > - Dropped patch 4
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org> thanks -- PMM