hi folks,
please forgive a beginner ...
I am working now for a few days with rtl2.2 ( with linux 2.2.14 ). I have
tried to compile and load the examples under /drivers/rt_com to read data
from the serial port, but it did not work ( before I load the rt_com.o
module into the kernel, I disabled the linux serial driver by typing:
setserial /dev/ttyS1 uart none).
I got the following messages in my xconsole:
...
cannot request all port regions
giving up
unable to get RTL major 4
I perceived, that in the init_module proc, there is the following
if-statement:
...
if( -EBUSY == check_region( p->port, 8))
...
unfortunetalety, this statement is true and the init_module aborts its
execution...
Has anybody an idea what can I do to read data from the serial port ?
Thanks to everybody in advance,
Ralf
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