[PATCH v5 1/2] acpi: PM: Move check for _DSD StorageD3Enable property to acpi

[Raul Rangel]

On Fri, Jun 4, 2021 at 10:54 AM Mario Limonciello
<mario.limonciello at amd.com> wrote:
>
> Although first implemented for NVME, this check may be usable by
> other drivers as well. Microsoft's specification explicitly mentions
> that is may be usable by SATA and AHCI devices.  Google also indicates
> that they have used this with SDHCI in a downstream kernel tree that
> a user can plug a storage device into.
>
> Link: https://docs.microsoft.com/en-us/windows-hardware/design/component-guidelines/power-management-for-storage-hardware-devices-intro
> Suggested-by: Keith Busch <kbusch at kernel.org>
> CC: Shyam-sundar S-k <Shyam-sundar.S-k at amd.com>
> CC: Alexander Deucher <Alexander.Deucher at amd.com>
> CC: Rafael J. Wysocki <rjw at rjwysocki.net>
> CC: Prike Liang <prike.liang at amd.com>
> Signed-off-by: Mario Limonciello <mario.limonciello at amd.com>
> ---
>  drivers/acpi/device_pm.c | 25 +++++++++++++++++++++++++
>  drivers/nvme/host/pci.c  | 28 +---------------------------
>  include/linux/acpi.h     |  5 +++++
>  3 files changed, 31 insertions(+), 27 deletions(-)
>
> Changes from v4->v5:
>  * Correct extra "Link:" word in commit message
>

Acked-by: Raul E Rangel <rrangel at chromium.org>