Quoting Douglas Anderson (2020-10-13 14:25:30) > The functions geni_se_select_fifo_mode() and > geni_se_select_fifo_mode() are a little funny. They read/write a > bunch of memory mapped registers even if they don't change or aren't > relevant for the current protocol. Let's make them a little more > sane. We'll also add a comment explaining why we don't do some of the > operations for UART. > > NOTE: there is no evidence at all that this makes any performance > difference and it fixes no bugs. However, it seems (to me) like it > makes the functions a little easier to understand. Decreasing the > amount of times we read/write memory mapped registers is also nice, > even if we are using "relaxed" variants. > > Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx> > --- Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
