Re: [v2, 7/7] tty: serial: msm_geni_serial: Add serial driver support for GENI based QUP

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Hi,

On Fri, Jan 12, 2018 at 5:05 PM, Karthikeyan Ramasubramanian
<kramasub@xxxxxxxxxxxxxx> wrote:
> This driver supports GENI based UART Controller in the Qualcomm SOCs. The
> Qualcomm Generic Interface (GENI) is a programmable module supporting a
> wide range of serial interfaces including UART. This driver support console
> operations using FIFO mode of transfer.
>
> Signed-off-by: Girish Mahadevan <girishm@xxxxxxxxxxxxxx>
> Signed-off-by: Karthikeyan Ramasubramanian <kramasub@xxxxxxxxxxxxxx>
> Signed-off-by: Sagar Dharia <sdharia@xxxxxxxxxxxxxx>
> ---
>  drivers/tty/serial/Kconfig            |   10 +
>  drivers/tty/serial/Makefile           |    1 +
>  drivers/tty/serial/qcom_geni_serial.c | 1414 +++++++++++++++++++++++++++++++++
>  3 files changed, 1425 insertions(+)
>  create mode 100644 drivers/tty/serial/qcom_geni_serial.c
>
> diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
> index b788fee..1be30e5 100644
> --- a/drivers/tty/serial/Kconfig
> +++ b/drivers/tty/serial/Kconfig
> @@ -1098,6 +1098,16 @@ config SERIAL_MSM_CONSOLE
>         select SERIAL_CORE_CONSOLE
>         select SERIAL_EARLYCON
>
> +config SERIAL_QCOM_GENI
> +       tristate "QCOM on-chip GENI based serial port support"

Should this be bool instead of tristate?  Guenter noticed that we'll
get link errors if we try building this as a module.  Specifically, he
noted that the "qcom_geni_serial.c" file refers to
"uart_console_device" and "uart_console_device" is not exported (and
shouldn't be since a console has to be available before modules are
loaded).


-Doug
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