Re: [PATCH] RS485 serial communication on ColdFire

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On Mon, Jan 14, 2013 at 09:21:52AM +1000, Kevin Nguyen wrote:
> Hi
> 
> I've attached the patch that adds support RS485 communication in
> ColdFire serial driver.
> 
> As defined in Documentation/serial/serial-rs485.txt, switching between
> read or write mode can be done by toggling RTS signal that is
> supported by ColdFire chips.
> 
> I actually wrote it more than a year ago (on Linux 3.2) but haven't
> seen any similar patch for ColdFire microcontrollers so that I think
> it would be useful for someone using this serial driver for RS485
> communication. It is tested on my MCF5271 board.
> 
> Your comments are appreciated.

Is there any way to do this so that the option can be enabled at
runtime, instead of build time?  Also, getting rid of a lot of the
#ifdefs in the .c file would be great to accomplish.

thanks,

greg k-h
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