spi: tegra: option to disable runtime pm
authorKrishna Yarlagadda <kyarlagadda@nvidia.com>
Wed, 11 May 2016 09:38:10 +0000 (14:38 +0530)
committermobile promotions <svcmobile_promotions@nvidia.com>
Tue, 24 May 2016 19:41:04 +0000 (12:41 -0700)
commite955e237ed5c069cb4e3840cbb1bd394098bba0d
tree4d1db5bbf681729f5de58001133ced0f7dd9c871
parentd76a2e99219475218d3c2616c1d09eb026485a9f
spi: tegra: option to disable runtime pm

Runtime pm calls can be a overhead for smaller SPI transfers
where each microsecond counts. SPI takes very less power and
can ignore runtime power management.
Provided a dt option to disable runtime power management and
run with clocks always on.

Bug 1731138

Change-Id: Ia4b8c092e43208388cb09a82f603bbba6a6b7f9d
Signed-off-by: Krishna Yarlagadda <kyarlagadda@nvidia.com>
Reviewed-on: http://git-master/r/1145630
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Documentation/devicetree/bindings/spi/nvidia,spi-tegra114.txt
drivers/spi/spi-tegra114.c
include/linux/spi/spi-tegra.h