linux-kernel - Re: [PATCH 00/10] clk: mvebu: restructure SoC clock drivers

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Message-ID: <20130519201312.GJ11137@titan.lakedaemon.net>
Date:	Sun, 19 May 2013 16:13:12 -0400
From:	Jason Cooper <jason@...edaemon.net>
To:	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Cc:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Andrew Lunn <andrew@...n.ch>,
	Russell King <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org,
	Gregory Clement <gregory.clement@...e-electrons.com>,
	Mike Turquette <mturquette@...aro.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 00/10] clk: mvebu: restructure SoC clock drivers

Sebastian,

On Sat, May 11, 2013 at 03:08:00AM +0200, Sebastian Hesselbarth wrote:
> Marvell EBU SoCs share some common clock functions that register core
> clocks or clock gates from SoC specific data. These clock drivers are
> organized by function and over time the drivers filled up with #ifdefs
> to separate different SoC specific code.
> 
> This patch set first adds a new element to clock gate descriptors to
> allow to pass clk flags per clock gate. (Patch 1)
> 
> Then it restructures MVEBU clock drivers into common clock setup and
> SoC specific files and Kconfig options. The driver's init functions
> are also registered to get called with of_clk_init. (Patches 2, 3-6)
> 
> It then switches Dove, Kirkwood, and Armada 370/XP to make use of
> of_clk_init instead of mvebu_clocks_init. (Patches 7-9)
> 
> Finally, all obsolete files and Kconfig options are removed. (Patch 10)
> 
> It has been tested on CuBox (Dove) and Dockstar (Kirkwood) by me.
> Armada 370 and XP are compile tested only and should get their Tested-by
> from Thomas and Gregory, respectively.
> 
> @Mike: As this only touches MVEBU related code, I suggest to take it
> all through the corresponding ARM branch.
> 
> Sebastian Hesselbarth (10):
>   clk: mvebu: introduce per-clock-gate flags
>   clk: mvebu: add common clock functions for core clk and clk gating
>   clk: mvebu: add Dove SoC-centric clock init
>   clk: mvebu: add Kirkwood SoC-centric clock init
>   clk: mvebu: add Armada 370 SoC-centric clock init
>   clk: mvebu: add Armada XP SoC-centric clock init
>   ARM: dove: move DT boards to SoC-centric clock init
>   ARM: kirkwood: move DT boards to SoC-centric clock init
>   ARM: mvebu: move DT boards to SoC-centric clock init
>   clk: mvebu: desintegrate obsolete file
> 
>  arch/arm/mach-dove/Kconfig          |    3 +-
>  arch/arm/mach-dove/board-dt.c       |    3 +-
>  arch/arm/mach-dove/common.c         |    1 -
>  arch/arm/mach-kirkwood/Kconfig      |    3 +-
>  arch/arm/mach-kirkwood/board-dt.c   |    3 +-
>  arch/arm/mach-mvebu/Kconfig         |    5 +-
>  arch/arm/mach-mvebu/armada-370-xp.c |    4 +-
>  drivers/clk/mvebu/Kconfig           |   25 +-
>  drivers/clk/mvebu/Makefile          |    8 +-
>  drivers/clk/mvebu/armada-370.c      |  176 +++++++++
>  drivers/clk/mvebu/armada-xp.c       |  204 +++++++++++
>  drivers/clk/mvebu/clk-core.c        |  675 -----------------------------------
>  drivers/clk/mvebu/clk-core.h        |   18 -
>  drivers/clk/mvebu/clk-gating-ctrl.c |  250 -------------
>  drivers/clk/mvebu/clk-gating-ctrl.h |   22 --
>  drivers/clk/mvebu/clk.c             |   23 --
>  drivers/clk/mvebu/common.c          |  163 +++++++++
>  drivers/clk/mvebu/common.h          |   48 +++
>  drivers/clk/mvebu/dove.c            |  194 ++++++++++
>  drivers/clk/mvebu/kirkwood.c        |  247 +++++++++++++
>  include/linux/clk/mvebu.h           |   22 --
>  21 files changed, 1066 insertions(+), 1031 deletions(-)
>  create mode 100644 drivers/clk/mvebu/armada-370.c
>  create mode 100644 drivers/clk/mvebu/armada-xp.c
>  delete mode 100644 drivers/clk/mvebu/clk-core.c
>  delete mode 100644 drivers/clk/mvebu/clk-core.h
>  delete mode 100644 drivers/clk/mvebu/clk-gating-ctrl.c
>  delete mode 100644 drivers/clk/mvebu/clk-gating-ctrl.h
>  delete mode 100644 drivers/clk/mvebu/clk.c
>  create mode 100644 drivers/clk/mvebu/common.c
>  create mode 100644 drivers/clk/mvebu/common.h
>  create mode 100644 drivers/clk/mvebu/dove.c
>  create mode 100644 drivers/clk/mvebu/kirkwood.c
>  delete mode 100644 include/linux/clk/mvebu.h
> ---

I've tentatively applied the whole series to mvebu/seb_clk and merged it
into for-next.  This will get it a few rounds of testing in linux-next
until Mike has a chance to review it.

thx,

Jason.
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