Re: [RFC PATCH] rtc/nxp: add FTM alarm driver as the wakeup source

[Alexandre Belloni]

On 02/11/2016 at 08:23:32 +0000, Meng Yi wrote :
> > +
> > +static int ftm_alarm_irq_enable(struct device *dev, unsigned int
> > +enabled) {
> > +	if (enabled)
> > +		ftm_irq_enable(true);
> > +	else
> > +		ftm_irq_enable(false);
> > +
> > +	return 0;
> > +}
> > +
> > +static int nxp_ftm_rtc_read_time(struct device *dev, struct rtc_time
> > +*tm) {
> > +	struct timeval time;
> > +	unsigned long local_time;
> > +
> > +	do_gettimeofday(&time);
> > +	local_time = (u32)(time.tv_sec - (sys_tz.tz_minuteswest * 60));
> > +	rtc_time_to_tm(local_time, tm);
> > +
> > +	return 0;
> > +}
> > +
> 
> This is not really getting time from the RTC since FTM is not a RTC device,
> But we need to get the time to setup alarm, so we are using system time for now.
> Anybody have better idea?
> 

No, that seems fine to me. I'll review the rest of the driver.


-- 
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com