On 13/04/06 15:11 +0200, Freddy Spierenburg wrote:
> I have a problem and yet am not sure where to look. It's a
> problem in the serial driver for the internal UART's of the
> AU1100. It appeared ever since 2.6.15. 2.6.14 is working like a
> charm, but 2.6.15 gives me the trouble.
> When I open a tty with the open(2) system call (see attached open.c)
> I see that the UART sends a 0x36 byte on the line.
We had the same problem on Au1200, applying
(or maybe a different version of this patch) fixed it.
> But that's not the only trouble. I also do not receive any
> bytes received by the UART. All the received bytes stay
> in the input buffer of the UART only to be send up to userland
> as soon as the UART is asked to send a byte on the line itself.
> Then in one take all the bytes are received by the application
I may be way off, but maybe it's just flow control that needs
to be turned off.