Hi Naveen,
On Wed, Jun 22, 2011 at 3:51 PM, Naveen Krishna Ch
<naveenkrishna.ch@xxxxxxxxx> wrote:
> Hi Every one,
>
> 1. Both S5P6440 and S5P6450 uses PLL90XX for EPLL.
> However, the same epll_ops is duplicated in the following files
> arch/arm/mach-s5p64x0/clock-s5p6440.c
> arch/arm/mach-s5p64x0/clock-s5p6450.c
>
> Please find attached patch which moves it to the common clock.c
> Attachment: "0001-ARM-S5P64X0-Move-duplicated-epll-code.patch"
>
> 2. Also, S5PV210, C110, C100, 6450/6440 and EXYNOS4 define their own
> epll_ops.
>
> The following attachment consolidates the same on the basis of PLL types
> "Eg: PLL90XX. PLL46XX, PLL45XX and PLL65XX"
>
> Kindly, review the approach and comment.
> Attachment: "0001-ARM-Samsung-organize-duplicated-EPLL-code.patch"
I think this is a good try to clean-up Samsung platform's PLL settings. :)
But one thing that I concern is 'epll_div' values are not a common
value, it depends on board because of these values come from outer xtl
which was selected by OM on board side. So, I wonder if you want to
make PLL as a common platform, you may solve these 'epll_div' values
to be correct. For example, you may calculate 'epll_div' values with
formula which is in user manual or set 'epll_div' values in board
specific file not platform file.
claude
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