On Sun, Apr 16, 2023 at 7:37 PM William Breathitt Gray <william.gray@xxxxxxxxxx> wrote: > The 104-DIO-48E features an 8254 Counter/Timer chip providing three > counter/timers which can be used for frequency measurement, frequency > output, pulse width modulation, pulse width measurement, event count, > etc. The counter/timers use the same addresses as PPI 0 (addresses 0x0 > to 0x3), so a raw_spinlock_t is used to synchronize operations between > the two regmap mappings to prevent clobbering. > > Signed-off-by: William Breathitt Gray <william.gray@xxxxxxxxxx> Very interesting development here. Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij
