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iwlwifi: make RTPM depend on EXPERT 

Enabling the RTPM Kconfig option can be fairly risky.
Runtime PM must be validated against a specific platform
before it can be safely enabled. Hence, it makes no sense
for distros and other big OS vendors to enable it since
they ship code to various systems and unknown platform.

Make sure that this is hinted properly by making the
IWLWIFI_PCIE_RTPM Kconfig option depend on EXPERT.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=172411
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Emmanuel Grumbach 2017-01-07 23:03:40 +02:00 committed by Luca Coelho
parent 04fa3e680b
commit 6eac0e817a
1 changed files with 5 additions and 2 deletions
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7
drivers/net/wireless/intel/iwlwifi/Kconfig
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@ -90,13 +90,16 @@ config IWLWIFI_BCAST_FILTERING
config IWLWIFI_PCIE_RTPM
bool "Enable runtime power management mode for PCIe devices"
depends on IWLMVM && PM
depends on IWLMVM && PM && EXPERT
default false
help
Say Y here to enable runtime power management for PCIe
devices. If enabled, the device will go into low power mode
when idle for a short period of time, allowing for improved
power saving during runtime.
power saving during runtime. Note that this feature requires
a tight integration with the platform. It is not recommended
to enable this feature without proper validation with the
specific target platform.
If unsure, say N.