On Thu, Jul 17, 2008 at 11:02:15AM +0200, Oliver Rutsch wrote:
> Hi,
>
> We're using the latest 2.4.25-Kernel from DENX on a custom mpc5200b board.
> We have a RS485 device which sends continuously its data at a rate of
> 1.25 MBit/s. The problem here is that it takes nearly 90% of system time
Hi,
We're using the latest 2.4.25-Kernel from DENX on a custom mpc5200b board.
We have a RS485 device which sends continuously its data at a rate of
1.25 MBit/s. The problem here is that it takes nearly 90% of system time
just to read these data. I had a look into the driver
(arch/ppc/5xxx_io/
