[PATCH v7 00/11] Add generic set_rate clk_ops for PLL35xx and PLL36xx for samsung SoCs

Vikas Sajjan sajjan.linux at gmail.com
Fri Jun 21 00:48:01 EDT 2013


Hi Mr. Kim,

On Thu, Jun 20, 2013 at 3:37 PM, Yadwinder Singh Brar
<yadi.brar01 at gmail.com> wrote:
> Hi Tomasz,
>
> On Thu, Jun 20, 2013 at 3:30 PM, Tomasz Figa <t.figa at samsung.com> wrote:
>> Hi Yadwinder, Vikas,
>>
>> On Tuesday 11 of June 2013 15:01:05 Yadwinder Singh Brar wrote:
>>> This patch series does the following:
>>>
>>>  1) Unifies the clk strutures  and registration function used for PLL35xx
>>> & PLL36xx, to factor out possible common code.
>>>
>>>  2) Defines a common rate_table which will contain recommended p, m, s
>>> and k values for supported rates that needs to be changed for changing
>>> corresponding PLL's rate
>>>
>>>  3) Adds set_rate() and round_rate() clk_ops for PLL35xx and PLL36xx
>>>
>>> changes since v6:
>>>       - Splited the patch adding samsung_clk_register_pll() into definition
>>>       addition, SoC specific migration and cleanup patches.
>>>       - Addressed some NIT comments.
>>
>> This version looks good to me. Thanks for your work on improving this
>> series again!
>>
>> Reviewed-by: Tomasz Figa <t.figa at samsung.com>
>>


Can you apply this series..


>
> Thanks for helping to improve this series.
>
> Thanks,
> Yadwinder
>
>> Best regards,
>> Tomasz
>>
>>> changes since v5:
>>>       - Corrected to use rate table as specified in UM for exynos5250 epll.
>>>       - Took care of exynos5420 as well, as new exynos5420 clk driver came in
>>>       while rebasing on latest Kgene's for-next.
>>>
>>>       Since we spilted 1st patch into 2 different patches,
>>>       can we expect "reviewed-by" again for the same?
>>>
>>> changes since v4:
>>>       - Defined common samsung samsung_clk_register_pll() to register a list
>>>       of PLL and used a struct samsung_pll_clock for passing intialisation
>>>       data instead of passing as arguments. Now passing LOCK as well as CON0
>>>       offset as intialisation data.
>>>       - Calculated length of rate table while registering PLL instead of
>>>       getting it as intialisation data.
>>>
>>> changes since v3:
>>>       - Used __clk_lookup() instead of adding alias for mout_vpllsrc
>>>       - Added check for changing only M value in samsung_pll36xx_set_rate()
>>>       - Modified samsung_pll35xx_mp_change() & samsung_pll35xx_set_rate()
>>>       to improve readabilty.
>>>       - Made the input rate_table as __init_data which is to be provided
>> while
>>> registering PLL and made a copy of that table while registering, so that
>>> if multiple tables are their, they can be freed after getting the P, M,
>>> S, K setting values from required one.
>>>
>>> changes since v2:
>>>       - Added new patch to reorder the MUX registration for mout_vpllsrc MUX
>>>       before the PLL registrations. And to add the alias for the mout_vpllsrc
>>> MUX. - Added a check to confirm parent rate while registrating the PLL
>>> rate tables.
>>>
>>> changes since v1:
>>>       - removed sorting and bsearch
>>>       - modified the definition of struct "samsung_pll_rate_table"
>>>       - added generic round_rate()
>>>       - rectified the ops assignment for "rate table passed as NULL
>>>
>>> Is rebased on branch kgene's "for-next"
>>> https://git.kernel.org/cgit/linux/kernel/git/kgene/linux-samsung.git/log/
>>> ?h=for-next
>>>
>>> Vikas Sajjan (3):
>>>   clk: samsung: Add set_rate() clk_ops for PLL36xx
>>>   clk: samsung: Reorder MUX registration for mout_vpllsrc
>>>   clk: samsung: Add EPLL and VPLL freq table for exynos5250 SoC
>>>
>>> Yadwinder Singh Brar (8):
>>>   clk: samsung: Introduce a common samsung_clk_pll struct
>>>   clk: samsung: Define a common samsung_clk_register_pll()
>>>   clk: samsung: Migrate exynos5250 to use common
>>>     samsung_clk_register_pll()
>>>   clk: samsung: Migrate exynos4 to use common
>>>     samsung_clk_register_pll()
>>>   clk: samsung: Migrate exynos5420 to use common
>>>     samsung_clk_register_pll()
>>>   clk: samsung: Remove unused pll registeration code for pll35xx and
>>>     pll36xx
>>>   clk: samsung: Add support to register rate_table for samsung plls
>>>   clk: samsung: Add set_rate() clk_ops for PLL35xx
>>>
>>>  drivers/clk/samsung/clk-exynos4.c    |   40 +++--
>>>  drivers/clk/samsung/clk-exynos5250.c |  101 +++++++++--
>>>  drivers/clk/samsung/clk-exynos5420.c |   86 ++++++---
>>>  drivers/clk/samsung/clk-pll.c        |  339
>>> ++++++++++++++++++++++++++-------- drivers/clk/samsung/clk-pll.h
>>> |   38 ++++-
>>>  drivers/clk/samsung/clk.h            |   53 ++++++
>>>  6 files changed, 519 insertions(+), 138 deletions(-)
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