[PATCH v6] tty: serial: add Freescale lpuart driver support

[Fabio Estevam]

On Tue, Jun 4, 2013 at 1:55 AM, Lu Jingchang-B35083
<B35083 at freescale.com> wrote:

>   From your patch of " serial: imx: Allow module build", I think the code between #ifdef CONFIG_SERIAL_IMX_CONSOLE ... #else in imx.c won't be built because the configuration is CONFIG_SERIAL_IMX_CONSOLE_MODULE now. So it is the same as if disable CONFIG_SERIAL_IMX_CONSOLE when built the driver as a module, isn't it?
>  On other hand, if enable CONFIG_SERIAL_X_CONSOLE option when the driver is configured as module, the build will fail with message like ERROR: "uart_console_device" [drivers/tty/serial/**.ko] undefined! Stephen Rothwel gives the solution once at url:
> http://www.linuxhorizon.com/9-linux/42b33a65f64d95a2.htm
>   I have checked drivers/tty/serial/Kconfig to make sure that other serial drivers indeed did this way.

Maybe we need to use "#if IS_ENABLED(CONFIG_SERIAL_IMX_CONSOLE)"

I will resend the series tomorrow.

Thanks,

Fabio Estevam