On 13/04/06 15:11 +0200, Freddy Spierenburg wrote: > Hi, > > 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 http://www.linux-mips.org/archives/linux-mips/2006-03/msg00259.html (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 > listening. I may be way off, but maybe it's just flow control that needs to be turned off. Domen
