[PATCH 03/33] clk: at91: main: warn when the main crystal frequency is not set

Boris BREZILLON
2014-07-02T08:23:15Z

On Wed, 2 Jul 2014 10:18:11 +0200
Boris BREZILLON <boris.brezillon@free-electrons.com> wrote:

> On Tue, 1 Jul 2014 16:12:12 +0200
> Alexandre Belloni <alexandre.belloni@free-electrons.com> wrote:
>
> > When the main crystal frequency is not set, the main clock is
> > approximated using the MAINF value in the CKGR_MCFR register. Warn
> > the user in that case.
> >
> > Signed-off-by: Alexandre Belloni
> > <alexandre.belloni@free-electrons.com> ---
>
> Acked-by: Boris BREZILLON <boris.brezillon@overkiz.com>

Sorry, it seems I kinda regret my former employer :-).

This is of course:

Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com>

>
> Mike, do you want me to take this patch and send you a pull request,
> or should I let you take this one directly ?
>
> Best Regards,
>
> Boris
>
> > drivers/clk/at91/clk-main.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/clk/at91/clk-main.c
> > b/drivers/clk/at91/clk-main.c index 733306131b99..59fa3cc96c9e
> > 100644 --- a/drivers/clk/at91/clk-main.c
> > +++ b/drivers/clk/at91/clk-main.c
> > @@ -388,6 +388,7 @@ static unsigned long clk_main_recalc_rate(struct
> > at91_pmc *pmc, if (parent_rate)
> > return parent_rate;
> >
> > + pr_warn("Main crystal frequency not set, using approximate
> > value\n"); tmp = pmc_read(pmc, AT91_CKGR_MCFR);
> > if (!(tmp & AT91_PMC_MAINRDY))
> > return 0;
>
>
>

--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering