linux-kernel - RE: [PATCH v2 1/3] ata: ahci: Rename board_ahci

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Message-ID: <BL1PR12MB5157D29423AE95EE32F00303E23E9@BL1PR12MB5157.namprd12.prod.outlook.com>
Date:   Fri, 25 Feb 2022 16:04:33 +0000
From:   "Limonciello, Mario" <Mario.Limonciello@....com>
To:     Christoph Hellwig <hch@...radead.org>,
        "hdegoede@...hat.com" <hdegoede@...hat.com>
CC:     Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        "open list:LIBATA SUBSYSTEM (Serial and Parallel ATA drivers)" 
        <linux-ide@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        "pmenzel@...gen.mpg.de" <pmenzel@...gen.mpg.de>
Subject: RE: [PATCH v2 1/3] ata: ahci: Rename board_ahci_mobile

[Public]

> On Fri, Feb 25, 2022 at 12:11:11AM -0600, Mario Limonciello wrote:
> > This board definition was originally created for mobile devices to
> > designate default link power managmeent policy to influence runtime
> > power consumption.
> >
> > As this is interesting for more than just mobile designs, rename the
> > board to `board_ahci_low_power` to make it clear it is about default
> > policy.
> 
> Is there any good reason to not just apply the policy to all devices
> by default?

That sure would make this all cleaner.

I think Hans knows more of the history here than anyone else.  I had
presumed there was some data loss scenarios with some of the older
chipsets.

Hans?