Question about AT commands and how they are issued through the kernel
andy at openmoko.com
Thu Dec 18 10:33:20 CET 2008
-----BEGIN PGP SIGNED MESSAGE-----
Somebody in the thread at some point said:
| 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.
Yes there's several miles of twisty intestines in the kernel to do with
it being a tty interface, but that's where it ends up getting fed into
the registers of the CPU UART and interrupts getting handled and so on.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (GNU/Linux)
Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org
-----END PGP SIGNATURE-----
More information about the openmoko-kernel