Q: port serial driver from 2.2 to 2.4

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Hi, all,

I am porting serial console driver from kenel
2.2.12 to kernel 2.4.3. I can use printk and
prom_printf to print messages on serial terminal.
But when the kernel call autoconfig() function,
the output on serial terminal is stop. I check
the autoconfig() function, it stop at 
serial_outp(info, UART_LCR, 0xBF); /* set up for
StarTech test */
Why? If someone knows, please help me.
Thanks!

Barry

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