Re: [PATCH v4 0/4] MBIST work around (WAR) for Tegra210

[Thierry Reding <thierry.reding@gmail.com>]

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On Thu, Jan 25, 2018 at 04:00:09PM +0200, Peter De Schrijver wrote:
> This patch series introduces the Memory Built-In Self Test (MBIST)
> work around (WAR) needed when power ungating certain domains. More
> details can be found in 'clk: tegra: MBIST WAR for Tegra210'. I choose to
> implement the WAR in the Tegra210 clock driver, because most accesses are
> to CAR registers and for the VENC domain, we need to make sure the CSI
> clock source is not changed during the WAR execution.
> 
> Changes in v4:
> * moved locking and clock control to tegra210_clk_handle_mbist_war()
> * propagate errors during WAR execution to user
> * rework error handling tegra210_mbist_clk_init() slightly
> 
> Changes in v3:
> * fix compile problem on non-Tegra210 platforms
> * fix clock handling bug in tegra210_generic_mbist_war()
> * addressed minor comments
> 
> Changes in v2:
> * Use readl for fence_delay() rather than readl_relaxed
> * clarify MBIST and WAR acronyms
> 
> Peter De Schrijver (4):
>   clk: tegra: Add la clock for Tegra210
>   clk: tegra: add fence_delay for clock registers
>   clk: tegra: MBIST work around for Tegra210
>   soc/tegra: pmc: MBIST work around for Tegra210
> 
>  drivers/clk/tegra/clk-tegra210.c         | 357 ++++++++++++++++++++++++++++++-
>  drivers/clk/tegra/clk.h                  |   7 +
>  drivers/soc/tegra/pmc.c                  |   7 +
>  include/dt-bindings/clock/tegra210-car.h |   2 +-
>  include/linux/clk/tegra.h                |   6 +
>  5 files changed, 376 insertions(+), 3 deletions(-)

Applied, thanks.

Thierry

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