Re: 3 Serial issues up for discussion (was: Re: Serial core problems on embedded PPC)

From: Remco Treffkorn (remco@rvt.com)
Date: Mon Jul 29 2002 - 14:46:42 EST

On Monday 29 July 2002 12:09, Dan Malek wrote:
...
> or a mix of both. The problems to solve are drivers fighting over minor
> device numbers and assumptions about the system console.
>

Drivers need not fight about minor numbers. That can be simply handled:

int get_new_serial_minor()
{
    static int minor;

    return minor++;
}

Any serial driver can call this when it initializes a new uart.
Hot pluggable drivers have to hang on to their minors, and
re-use. 

-- 
Remco Treffkorn (RT445)
HAM DC2XT
remco@rvt.com   (831) 685-1201
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