Re[2]: [PATCH 05/13] ARM: clps711x: Using COMMON_CLK

Alexander Shiyan shc_work at mail.ru
Mon Mar 11 07:26:59 EDT 2013


Hello.

> On 13:26 Mon 11 Mar     , Alexander Shiyan wrote:
> > This patch adds support for COMMON_CLK API for CLPS711X targets.
> > 
> > Signed-off-by: Alexander Shiyan <shc_work at mail.ru>
...
> > +	/* Turn timers in free running mode */
> >  	tmp = readl(SYSCON1);
> > -	tmp &= ~SYSCON1_TC2M;	/* Free running mode */
> > -	tmp |= SYSCON1_TC2S;	/* High frequency source */
> > +	tmp &= ~(SYSCON1_TC1M | SYSCON1_TC2M);
> >  	writel(tmp, SYSCON1);
> this is timer configuration not clocks

We need to read counter value for clocksource, so we need to ensure
that we have full range of values (0x0 - 0xffff). It mean that timer/counters
should not be in prescaler mode. All correct.
Thanks.

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