Re: Merge BUG in 2.4.15-pre4 serial.c

Russell King (rmk@arm.linux.org.uk)
Tue, 13 Nov 2001 16:21:11 +0000


On Tue, Nov 13, 2001 at 05:49:24PM +0100, Martin Dalecki wrote:
> I have found the following code in serial.c aorund line 5565
>
> #ifdef __i386__
> if (i == NR_PORTS) {
> for (i = 4; i < NR_PORTS; i++)
> if ((rs_table[i].type == PORT_UNKNOWN) &&
> (rs_table[i].count == 0))
> break;
> }
> #endif
> if (i == NR_PORTS) {
> for (i = 0; i < NR_PORTS; i++)
> if ((rs_table[i].type == PORT_UNKNOWN) &&
> (rs_table[i].count == 0))
> break;
> }
>
> This is supposedly the result of applying some patch twice.
> Let me guess the first 8 lines of this can be deleted.

Look at it closer, in particular the for() loops.

It's basically there so that on x86, we don't normally use ttyS0-3
for pcmcia and other similar ports, unless we run out of other ports
to use.

--
Russell King (rmk@arm.linux.org.uk)                The developer of ARM Linux
             http://www.arm.linux.org.uk/personal/aboutme.html

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