linux-kernel - Re: [PATCH] ata: ahci: Add Tiger Lake UP{3,4} AHCI controller

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Message-ID: <f67adf9f-2fa1-efed-afa8-04c5149a23ca@opensource.wdc.com>
Date:   Tue, 14 Feb 2023 12:27:09 +0900
From:   Damien Le Moal <damien.lemoal@...nsource.wdc.com>
To:     Simon Gaiser <simon@...isiblethingslab.com>
Cc:     linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH] ata: ahci: Add Tiger Lake UP{3,4} AHCI controller

On 2/13/23 19:24, Simon Gaiser wrote:
> Mark the Tiger Lake UP{3,4} AHCI controller as "low_power". This enables
> S0ix to work out of the box. Otherwise this isn't working unless the
> user manually sets /sys/class/scsi_host/*/link_power_management_policy.
> 
> Intel lists a total of 4 SATA controller IDs in [1] for those mobile
> PCHs. This commit just adds the "AHCI" variant since I only tested
> those.
> 
> [1]: https://cdrdv2.intel.com/v1/dl/getContent/631119
> 
> Signed-off-by: Simon Gaiser <simon@...isiblethingslab.com>
> CC: stable@...r.kernel.org

Applied to for-6.2-fixes. Thanks !

-- 
Damien Le Moal
Western Digital Research