Re: [PATCH v2 2/3] ata: ahci_platform: allow disabling of hotplug to save power

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(cc'ing Hans.  Can you please take a look at the patchset?)

On Fri, Apr 20, 2018 at 10:18:33AM +0000, 0v3rdr0n3@xxxxxxxxx wrote:
> From: Samuel Morris <samorris@xxxxxxxxxxx>
> 
> A number of resources remain powered to support hotplug. On platforms
> I've worked with, allowing the ahci_platform to suspend saves about
> 150mW. This patch allows the device to be auto suspended if the
> config parameter is set.

The idea looks good to me but I really wish it were something which
can be turned on/off runtime rather than baked into a CONFIG option
(we can add a CONFIG option to select the default behavior).

Thanks.

-- 
tejun
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