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ARM: keystone: Enable CPU hotplug

santosh shilimkar linux-arm-kernel linux-devicetree 1 version New

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  1. v1 Latest0 of 2 patches 0 repliesNew

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Cover letter [PATCH 0/2] ARM: keystone: Enable CPU hotplug
Quoted 8 lines · Russell King - ARM Linux
Quoted 3 lines · Russell King - ARM Linux

Now... if we could get the damn CPU fan under control, I might be able to stand leaving the board powered on for longer, instead of reaching for the power plug at the earliest possibility!

This evening, I've received a complaint about the noise of the fan, which can be heard throughout the house.

:-) Fan is noisy.

Quoted 6 lines

PLEASE can we sort something out about this damned fan? I know that there's a PWM control of it, so let's get it more under control. If no one is interested in writing a driver for it, then please supply me with the information so that I can sort this out, and stop it being so annoying.

Am not sure if this fan is wired to PWM controller though.

Quoted 4 lines

Like I've said above, right now the board doesn't stay on for very long, and it's actually a very big _demotivator_ to powering the board on.

Quoted 8 lines

This board is also *never* going anywhere near my boot farm because it's just too damned noisy to be powered up during the night, even if we do get the fan more under control once the kernel is running.

If that's not enough to get some help with this, I'll instead snip the fan wire and solder a resistor in series with the fan to slow the damned thing down to reduce the noise level.

You should do that. I have less hope of other options.

Regards,
Santosh