linux-kernel - Re: [PATCH v2 1/3] ACPI: fix: Update Tiger Lake ACPI device IDs

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Date:   Mon, 30 Mar 2020 18:43:35 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Gayatri Kammela <gayatri.kammela@...el.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "Zhang, Rui" <rui.zhang@...el.com>
Cc:     Linux PM <linux-pm@...r.kernel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Len Brown <lenb@...nel.org>,
        Darren Hart <dvhart@...radead.org>,
        Alex Hung <alex.hung@...onical.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amit.kucheria@...durent.com>,
        Mika Westerberg <mika.westerberg@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        "Prestopine, Charles D" <charles.d.prestopine@...el.com>,
        "5 . 6+" <stable@...r.kernel.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...el.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH v2 1/3] ACPI: fix: Update Tiger Lake ACPI device IDs

On Fri, Mar 27, 2020 at 10:34 PM Gayatri Kammela
<gayatri.kammela@...el.com> wrote:
>
> Tiger Lake's new unique ACPI device IDs for DPTF and fan drivers are not
> valid as the IDs are missing 'C'. Fix the IDs by updating them.
>
> After the update, the new IDs should now look like
> INT1047 --> INTC1047
> INT1040 --> INTC1040
> INT1043 --> INTC1043
> INT1044 --> INTC1044
>
> Fixes: 55cfe6a5c582 ("ACPI: DPTF: Add Tiger Lake ACPI device IDs")
> Fixes: c248dfe7e0ca ("ACPI: fan: Add Tiger Lake ACPI device ID")
> Cc: 5.6+ <stable@...r.kernel.org> # 5.6+
> Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Cc: Srinivas Pandruvada <srinivas.pandruvada@...el.com>
> Cc: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> Suggested-by: Srinivas Pandruvada <srinivas.pandruvada@...el.com>
> Signed-off-by: Gayatri Kammela <gayatri.kammela@...el.com>
> ---
>  drivers/acpi/device_pm.c            | 2 +-
>  drivers/acpi/dptf/dptf_power.c      | 2 +-
>  drivers/acpi/dptf/int340x_thermal.c | 8 ++++----
>  3 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
> index b64c62bfcea5..80dae3b3c36a 100644
> --- a/drivers/acpi/device_pm.c
> +++ b/drivers/acpi/device_pm.c
> @@ -1321,7 +1321,7 @@ int acpi_dev_pm_attach(struct device *dev, bool power_on)
>          */
>         static const struct acpi_device_id special_pm_ids[] = {
>                 {"PNP0C0B", }, /* Generic ACPI fan */
> -               {"INT1044", }, /* Fan for Tiger Lake generation */
> +               {"INTC1044", }, /* Fan for Tiger Lake generation */
>                 {"INT3404", }, /* Fan */
>                 {}
>         };
> diff --git a/drivers/acpi/dptf/dptf_power.c b/drivers/acpi/dptf/dptf_power.c
> index 387f27ef3368..e5fb34bfa52c 100644
> --- a/drivers/acpi/dptf/dptf_power.c
> +++ b/drivers/acpi/dptf/dptf_power.c
> @@ -97,7 +97,7 @@ static int dptf_power_remove(struct platform_device *pdev)
>  }
>
>  static const struct acpi_device_id int3407_device_ids[] = {
> -       {"INT1047", 0},
> +       {"INTC1047", 0},
>         {"INT3407", 0},
>         {"", 0},
>  };
> diff --git a/drivers/acpi/dptf/int340x_thermal.c b/drivers/acpi/dptf/int340x_thermal.c
> index 1ec7b6900662..29b5c77256dd 100644
> --- a/drivers/acpi/dptf/int340x_thermal.c
> +++ b/drivers/acpi/dptf/int340x_thermal.c
> @@ -13,10 +13,10 @@
>
>  #define INT3401_DEVICE 0X01
>  static const struct acpi_device_id int340x_thermal_device_ids[] = {
> -       {"INT1040"},
> -       {"INT1043"},
> -       {"INT1044"},
> -       {"INT1047"},
> +       {"INTC1040"},
> +       {"INTC1043"},
> +       {"INTC1044"},
> +       {"INTC1047"},
>         {"INT3400"},
>         {"INT3401", INT3401_DEVICE},
>         {"INT3402"},
> --

I can take this along with the other two patches in the series if that
is fine by Andy and Rui.

Thanks!