On Mon, Oct 01, 2018 at 04:19:48PM +0200, Michal Vokáč wrote: > Implement the get_state() function and set the initial state to reflect > real state of the hardware. This allows to keep the PWM running if it was > enabled in bootloader. It is very similar to the GPIO behavior. GPIO pin > set as output in bootloader keep the same setting in Linux unless it is > reconfigured. > > If we find the PWM block enabled we need to prepare and enable its source > clock otherwise the clock will be disabled late in the boot as unused. > That will leave the PWM in enabled state but with disabled clock. That has > a side effect that the PWM output is left at its current level at which > the clock was disabled. It is totally non-deterministic and it may be LOW > or HIGH. > > Signed-off-by: Michal Vokáč <michal.vo...@ysoft.com> > --- > drivers/pwm/pwm-imx.c | 53 > +++++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 53 insertions(+)
Applied, thanks. Thierry
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