Re: [GIT PULL v2 1/2] ARM: tegra: Core code changes for v4.1-rc1

[Michael Turquette <mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>]

Quoting Thierry Reding (2015-04-10 07:22:13)
> Hi ARM SoC maintainers,
> 
> The following changes since commit c517d838eb7d07bbe9507871fab3931deccff539:
> 
>   Linux 4.0-rc1 (2015-02-22 18:21:14 -0800)
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux.git tags/tegra-for-4.1-soc-20150410
> 
> for you to fetch changes up to 50ce434c2399586a71a868795401b59e04486824:
> 
>   memory: tegra: Explicitly mark defines unsigned (2015-04-03 00:01:09 +0200)
> 
> This is essentially the same as the earlier pull requests, except that
> it contains fixes for the linux-next build errors reported by Mark
> Brown.
> 
> Thanks,
> Thierry
> 
> ----------------------------------------------------------------
> ARM: tegra: Core code changes for v4.1-rc1
> 
> The biggest chunk of these changes is Mikko and Tomeu's external memory
> controller driver. It allows the frequency of the external memory to be
> changed and also puts the initial pieces into place to enable automatic
> scaling of the EMC frequency.
> 
> There are also a couple of improvements such as the move to a restart
> handler to make it easier for boards to override restart behaviour in a
> board-specific way. There are also some preparatory patches to enable
> Tegra to run in big-endian mode.
> 
> Finally there's a fix for a regression that was introduced in v3.17,
> causing suspend/resume to break.
> 
> ----------------------------------------------------------------
> Bob Mottram (1):
>       gpio: tegra: Maintain endianness
> 
> David Riley (1):
>       soc/tegra: pmc: move to using a restart handler
> 
> Dmitry Osipenko (1):
>       ARM: tegra20: Store CPU "resettable" status in IRAM
> 
> Mikko Perttunen (7):
>       soc/tegra: fuse: Add RAM code reader helper
>       of: Add Tegra124 EMC bindings
>       memory: tegra: Add API needed by the EMC driver
>       memory: tegra: Add EMC (external memory controller) driver
>       memory: tegra: Add debugfs entry for getting and setting the EMC rate
>       clk: tegra124: Remove old emc clock
>       clk: tegra: Add EMC clock driver

I have posted a question about the above patch in its original thread
regarding ...

> 
> Nicholas Mc Guire (1):
>       soc/tegra: Watch wait_for_completion_timeout() return type
> 
> Thierry Reding (3):
>       memory: tegra: Add SWGROUP names
>       clk: tegra: EMC clock driver depends on EMC driver
>       memory: tegra: Explicitly mark defines unsigned
> 
> Tomeu Vizoso (8):
>       of: Document long-ram-code property in nvidia,tegra20-apbmisc
>       of: Document timings subnode of nvidia,tegra-mc
>       memory: tegra: Disable ARBITRATION_EMEM interrupt
>       of: document new emc-timings subnode in nvidia,tegra124-car
>       of: document external-memory-controller property in tegra124-car
>       clk: Expose clk_hw_reparent() to providers

... this patch! I'd prefer to not do this. Let's see if
.set_rate_and_parent solve the problem for you.

>       clk: tegra: Set the EMC clock as the parent of the MC clock
>       clk: tegra: Have EMC clock implement determine_rate()

FYI I just acked the above patch in its thread.

Regards,
Mike

> 
>  .../bindings/clock/nvidia,tegra124-car.txt         |   44 +-
>  .../memory-controllers/nvidia,tegra-mc.txt         |   84 +-
>  .../bindings/memory-controllers/tegra-emc.txt      |  374 +++++++
>  .../bindings/misc/nvidia,tegra20-apbmisc.txt       |    2 +
>  arch/arm/mach-tegra/cpuidle-tegra20.c              |    5 +-
>  arch/arm/mach-tegra/reset-handler.S                |   10 +-
>  arch/arm/mach-tegra/reset.h                        |    4 +
>  arch/arm/mach-tegra/sleep-tegra20.S                |   37 +-
>  arch/arm/mach-tegra/sleep.h                        |    4 +
>  arch/arm/mach-tegra/tegra.c                        |    1 -
>  drivers/clk/Kconfig                                |    1 +
>  drivers/clk/clk.c                                  |    8 +
>  drivers/clk/tegra/Kconfig                          |    3 +
>  drivers/clk/tegra/Makefile                         |    1 +
>  drivers/clk/tegra/clk-emc.c                        |  539 ++++++++++
>  drivers/clk/tegra/clk-tegra124.c                   |   18 +-
>  drivers/clk/tegra/clk.h                            |   12 +
>  drivers/gpio/gpio-tegra.c                          |    4 +-
>  drivers/memory/tegra/Kconfig                       |   10 +
>  drivers/memory/tegra/Makefile                      |    2 +
>  drivers/memory/tegra/mc.c                          |  140 ++-
>  drivers/memory/tegra/tegra114.c                    |   32 +-
>  drivers/memory/tegra/tegra124-emc.c                | 1137 ++++++++++++++++++++
>  drivers/memory/tegra/tegra124.c                    |   90 +-
>  drivers/memory/tegra/tegra30.c                     |   32 +-
>  drivers/soc/tegra/fuse/fuse-tegra20.c              |    6 +-
>  drivers/soc/tegra/fuse/tegra-apbmisc.c             |   21 +
>  drivers/soc/tegra/pmc.c                            |   23 +-
>  include/linux/clk-provider.h                       |    1 +
>  include/soc/tegra/emc.h                            |   19 +
>  include/soc/tegra/fuse.h                           |    1 +
>  include/soc/tegra/mc.h                             |   15 +-
>  include/soc/tegra/pmc.h                            |    2 -
>  33 files changed, 2572 insertions(+), 110 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/memory-controllers/tegra-emc.txt
>  create mode 100644 drivers/clk/tegra/Kconfig
>  create mode 100644 drivers/clk/tegra/clk-emc.c
>  create mode 100644 drivers/memory/tegra/tegra124-emc.c
>  create mode 100644 include/soc/tegra/emc.h
> 
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