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

Tomasz Figa t.figa at samsung.com
Thu Jun 20 06:00:07 EDT 2013


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>

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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