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From:   "Quan, Evan" <Evan.Quan@amd.com>
To:     "Limonciello, Mario" <Mario.Limonciello@amd.com>,
        "heikki.krogerus@linux.intel.com" <heikki.krogerus@linux.intel.com>,
        "rafael@kernel.org" <rafael@kernel.org>,
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CC:     "linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>,
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        "Lazar, Lijo" <Lijo.Lazar@amd.com>,
        "Goswami, Sanket" <Sanket.Goswami@amd.com>
Subject: RE: [PATCH 0/2] Adjust logic for power_supply_is_system_supplied()
Thread-Topic: [PATCH 0/2] Adjust logic for power_supply_is_system_supplied()
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Date:   Wed, 17 May 2023 01:22:25 +0000
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[AMD Official Use Only - General]

Series is Reviewed-and-tested-by: Evan Quan <evan.quan@amd.com>

> -----Original Message-----
> From: Limonciello, Mario <Mario.Limonciello@amd.com>
> Sent: Wednesday, May 17, 2023 2:26 AM
> To: heikki.krogerus@linux.intel.com; rafael@kernel.org; ajayg@nvidia.com;
> andriy.shevchenko@linux.intel.com
> Cc: linux-i2c@vger.kernel.org; linux-pm@vger.kernel.org; linux-
> kernel@vger.kernel.org; linux-usb@vger.kernel.org; Quan, Evan
> <Evan.Quan@amd.com>; Lazar, Lijo <Lijo.Lazar@amd.com>; Goswami, Sanket
> <Sanket.Goswami@amd.com>; Limonciello, Mario
> <Mario.Limonciello@amd.com>
> Subject: [PATCH 0/2] Adjust logic for power_supply_is_system_supplied()
>
> Some systems don't provide any ACPI power supplies, but drivers use the
> function power_supply_is_system_supplied() to make policy decisions.
>
> This logic works fine until a new device is added to the system that prov=
ides a
> UCSI power supply. This power supply doesn't power the system but the log=
ic
> assumes it does.
>
> This series adjusts the logic so that these power supplies are not consid=
ered
> when making these policy decisions.
>
> Mario Limonciello (2):
>   power: supply: Use the scope of power supplies to tell if power is
>     system supplied
>   usb: typec: ucsi: Don't create power supplies for dGPUs
>
>  drivers/i2c/busses/i2c-designware-pcidrv.c | 13 ++++++++++++-
>  drivers/i2c/busses/i2c-nvidia-gpu.c        |  3 +++
>  drivers/power/supply/power_supply_core.c   |  8 ++++++--
>  drivers/usb/typec/ucsi/psy.c               | 14 ++++++++++++++
>  4 files changed, 35 insertions(+), 3 deletions(-)
>
> --
> 2.34.1