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Problem about using Spi to communicate with uart

Hi all:

We develop on dm8168 using dvrrdk 4.0, kernel 2.6...,

We connect SPI with Uart Rs232 with MAX3100,

And when i configure kernel enable User mode spi device driver support,

in  /sys/bus/spi/drivers i see spi

in cat /proc/devices i see spi,

but  I don't see anything in /dev so I typed: mknod -m 666 /dev/spidev1.1  c 153 0

now I see /dev/spidev1.1. 

and i run the ./spidev in Document/spi/ folder , error happens

open device spi: No such device or address?

Any ideas?

Have i rewrite the spi driver ?

Another question is that in my application uart 115200 rs232 8bit data ,1 bit start ,1bit end ,no parity

How to configure spi then

best regards

xavier