From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <3BE13C48.2020500@elsoft.ch>
Date: Thu, 01 Nov 2001 13:12:56 +0100
From: "David =?ISO-8859-1?Q?M=FCller?= (ELSOFT AG)" <d.mueller@elsoft.ch>
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To: Ralph Blach <rcblach@raleigh.ibm.com>
Cc: linuxppc-dev@lists.linuxppc.org
Subject: Re: Serial Port 0 IRQ0 Walnut question
References: <15326.8355.242681.874353@cargo.ozlabs.ibm.com> <3BE13832.C2209860@raleigh.ibm.com>
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Ralph Blach wrote:

> Has anybody noticed that the serial port 0 is not being interrupt
> driven.
> On my Journeyman kernel here, IRQ 0 lists as bad and the UIC enable bit
> for IRQ 0 is not
> turned on.
>
> Any reason for this
>
> Thanks
>
> Chip
>

The serial.c driver from linux-2.4.2-405pg (original MVista 405GP
kernel) was patched to allow IRQ 0 as a valid IRQ. For some reason, this
patch didn't make it into the linuxppc_2_4_dev tree.


Dave


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