linux-kernel - Re: [PATCH 5/6] ARM: tegra: Port tegra to generic clock framework

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Message-ID: <4FEC948D.9080606@nvidia.com>
Date:	Thu, 28 Jun 2012 22:59:49 +0530
From:	Prashant G <pgaikwad@...dia.com>
To:	"swarren@...dotorg.org" <swarren@...dotorg.org>,
	"mturquette@...com" <mturquette@...com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
CC:	Prashant Gaikwad <pgaikwad@...dia.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"ccross@...roid.com" <ccross@...roid.com>,
	"olof@...om.net" <olof@...om.net>,
	Peter De Schrijver <pdeschrijver@...dia.com>
Subject: Re: [PATCH 5/6] ARM: tegra: Port tegra to generic clock framework

This patch is not delivered to all mailing lists reason being the 
message body too big.
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@...dia.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(-)
>
>

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