linux-kernel - Re: [PATCH] serial: 8250_dw: Add device HID for new AMD UART controller

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Message-ID: <CAHp75VczB-+Qs9-7Ye3qXZBag8_Ho4E3oTywGu2eNY67s3K00w@mail.gmail.com>
Date:   Thu, 13 May 2021 10:08:33 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Maximilian Luz <luzmaximilian@...il.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-serial@...r.kernel.org, stable@...r.kernel.org,
        Sachi King <nakato@...ato.io>
Subject: Re: [PATCH] serial: 8250_dw: Add device HID for new AMD UART controller

On Thu, May 13, 2021 at 1:20 AM Maximilian Luz <luzmaximilian@...il.com> wrote:
>
> Add device HID AMDI0022 to the AMD UART controller driver match table
> and create a platform device for it. This controller can be found on
> Microsoft Surface Laptop 4 devices and seems similar enough that we can
> just copy the existing AMDI0020 entries.

Acked-by: Andy Shevchenko <andy.shevchenko@...il.com> # for 8250_dw part

> Cc: <stable@...r.kernel.org> # 5.10+
> Tested-by: Sachi King <nakato@...ato.io>
> Signed-off-by: Maximilian Luz <luzmaximilian@...il.com>
> ---
>  drivers/acpi/acpi_apd.c           | 1 +
>  drivers/tty/serial/8250/8250_dw.c | 1 +
>  2 files changed, 2 insertions(+)
>
> diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c
> index 0ec5b3f69112..6e02448d15d9 100644
> --- a/drivers/acpi/acpi_apd.c
> +++ b/drivers/acpi/acpi_apd.c
> @@ -226,6 +226,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = {
>         { "AMDI0010", APD_ADDR(wt_i2c_desc) },
>         { "AMD0020", APD_ADDR(cz_uart_desc) },
>         { "AMDI0020", APD_ADDR(cz_uart_desc) },
> +       { "AMDI0022", APD_ADDR(cz_uart_desc) },
>         { "AMD0030", },
>         { "AMD0040", APD_ADDR(fch_misc_desc)},
>         { "HYGO0010", APD_ADDR(wt_i2c_desc) },
> diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
> index 9e204f9b799a..a3a0154da567 100644
> --- a/drivers/tty/serial/8250/8250_dw.c
> +++ b/drivers/tty/serial/8250/8250_dw.c
> @@ -714,6 +714,7 @@ static const struct acpi_device_id dw8250_acpi_match[] = {
>         { "APMC0D08", 0},
>         { "AMD0020", 0 },
>         { "AMDI0020", 0 },
> +       { "AMDI0022", 0 },
>         { "BRCM2032", 0 },
>         { "HISI0031", 0 },
>         { },
> --
> 2.31.1
>


-- 
With Best Regards,
Andy Shevchenko