> -----Original Message-----
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] 
> On Behalf Of 旭 罗
> Sent: Thursday, April 17, 2008 3:32 PM
> To: Linu PPC Mail list
> Cc: Wood Scott
> Subject: A question about the 8250/16550 Driver
> 
> Hello:
>     I have founded that the serial can't be initialized as 
> the bootting process. My platform is MPC8313 and my kernel 
> version is linux-2.6.23.9. I look though the source code and 
> find that the MPC8313 driver is compatible with 8250/16550. 
> The driver is in the \drivers\serial\8250.c
> 
> In the function serial8250_isa_init_ports we should use the 
> structer old_serial_port  but i can't find the definition for 
> this struct. I can only find the following senrense in the 
> head of this file 

If you look into the function carefully enough, you can find that 
old_serial_port is optional and can be empty.  It seems to be some leftover to 
provide backward compatibility when the port structure changed.

- Leo
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