On Tue, 14 Aug 2012 16:26:28 +0200 Christophe Leroy <christophe.le...@c-s.fr> wrote:
> Hello, > > I'm not sure who to address this Patch to either > > It fixes a delay issue with CPM UART driver on Powerpc MPC8xx. > The problem is that with the actual code, the driver waits 32 IDLE patterns > before returning the received data to the upper level. It means for instance > about 1 second at 300 bauds. > This fix limits to one byte the waiting period. Take a look how the 8250 does it - I think you want to set the value based upon the data rate. Your patch will break it for everyone doing high seed I/O. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/