[PATCH 5/6] ARM: tegra: Port tegra to generic clock framework

[pgaikwad@nvidia.com (Prashant G)]

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It can be viewed at https://lkml.org/lkml/2012/6/28/158

Thanks & Regards,
Prashant G

On Thursday 28 June 2012 04:07 PM, Prashant Gaikwad wrote:
> This patch converts tegra clock code to generic clock framework in following way:
>   - Implement clk_ops as required by generic clk framework. (tegraXX_clocks.c)
>   - Use platform specific struct clk_tegra in clk_ops implementation instead of struct clk.
>   - Initialize all clock data statically. (tegraXX_clocks_data.c)
>
> Legacy framework did not have recalc_rate and is_enabled functions. Implemented these functions.
> Removed init function. It's functionality is splitted into recalc_rate and is_enabled.
>
> Static initialization is used since slab is not up in .init_early and clock
> is needed to be initialized before clockevent/clocksource initialization.
> Macros redefined for clk_tegra.
>
> Also, single struct clk_tegra is used for all type of clocks (PLL, peripheral etc.). This
> is to move quickly to generic common clock framework so that other dependent features will
> not be blocked (such as DT binding).
>
> Enabling COMMON_CLOCK config moved to ARCH_TEGRA since it is enabled for both Tegra20
> and Tegra30.
>
> Signed-off-by: Prashant Gaikwad<pgaikwad@nvidia.com>
> ---
>   arch/arm/Kconfig                          |    1 +
>   arch/arm/mach-tegra/clock.h               |    1 +
>   arch/arm/mach-tegra/tegra20_clocks.c      |  986 +++++++++--------
>   arch/arm/mach-tegra/tegra20_clocks.h      |    4 +
>   arch/arm/mach-tegra/tegra20_clocks_data.c | 1318 +++++++++++++----------
>   arch/arm/mach-tegra/tegra30_clocks.c      | 1331 +++++++++++++----------
>   arch/arm/mach-tegra/tegra30_clocks.h      |   14 +-
>   arch/arm/mach-tegra/tegra30_clocks_data.c | 1688 ++++++++++++++++-------------
>   8 files changed, 3029 insertions(+), 2314 deletions(-)
>
>