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ARM: tegra: enforce PM requirement

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Currently runtime PM is enabled for Tegra HDA driver. One of the concern
raised was about handling !PM case in HDA driver. In this case, there is
a need to manage clocks and power explicitly in the driver and reviewers
were not really convinced about this. The consensus at the end was to
enforce PM requirement to keep things simple, rather driver mentioning a
dependency on PM. This is how it is done for ARM 64-bit Tegra platforms
and the same can be done for 32-bit Tegra platforms too.

Finally the objective is to remove dependency on PM availability for all
Tegra drivers. The detailed discussion can be found in following patch,
https://patchwork.ozlabs.org/patch/1031007/

Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Sameer Pujar 2019-02-27 13:50:28 +05:30 committed by Thierry Reding
parent 9e98c678c2
commit 40b2bb1b13
1 changed files with 1 additions and 0 deletions
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arch/arm/mach-tegra/Kconfig
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@ -10,6 +10,7 @@ menuconfig ARCH_TEGRA
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if SMP
select PINCTRL
select PM
select PM_OPP
select ARCH_HAS_RESET_CONTROLLER
select RESET_CONTROLLER