[PATCH v5 02/14] ARM: OMAP2+: gpmc: Adapt to HWMOD
Mohammed, Afzal
afzal at ti.com
Thu Jun 14 02:20:26 EDT 2012
Hi Jon,
On Thu, Jun 14, 2012 at 11:47:03, Mohammed, Afzal wrote:
> gpmc_cs_set_timings() does currently convert time to clock cycles required,
> and this gpmc driver have the capability to do it.
>
> What I was saying is a different issue, input to gpmc_cs_set_timings, which
> is time sometimes in turn is a function of time or to be exact depends on
> gpmc clock period also. So timings provided to gpmc_cs_set_timings for a
> particular frequency may not hold good for another frequency, unless we
> change the input time to gpmc_cs_set_timings based on gpmc clock.
>
> If you see gpmc-* files, many a times, they need to know value of gpmc fclk,
> to calculate the input time to be fed for gpmc_cs_set_timings
And the way value of gpmc period has to be handled differs depending
on the peripheral.
Regards
Afzal
More information about the linux-arm-kernel
mailing list