Question about AT commands and how they are issued through the kernel

[Jeff Bickford]

Are all serial devices controlled by the driver s3c2410.c?  I am trying to
understand where a command goes when it is sent from user space to kernel
space and then to the hardware itself.  Thank you.

On Fri, Dec 12, 2008 at 2:58 AM, Andy Green <andy at openmoko.com> wrote:

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> Somebody in the thread at some point said:
> | Hi Jeff,
> |
> | The GSM modem in the OM phone is connected through a serial interface
> | and looks just like any other tty device. You communicate with it by
> | opening up /dev/s3c2410_serial0 (on the Freerunner).
>
> Right, that serial device is also known as /dev/ttySAC0.
>
> - -Andy
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