linux-kernel - Re: i386: pata_cs5520 does not work

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Date:	Wed, 18 Jul 2007 14:42:12 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	TAKADA Yoshihito <takada@....nifty.com>
Cc:	linux-kernel@...r.kernel.org, teheo@...ell.com
Subject: Re: i386: pata_cs5520 does not work

> > I'll take a look at this next week. Can you send me a dmesg of the
> > working case and an lspci -vvxxx
> 
> Thanks. attached 2 dmesgs(2.6.21 with pata_cs5520, 2.6.22 with IDE) and output of lspci.

Nothing obviously wrong. What happens if you find the line

if (!iomap[0] || !iomap[1] || !iomap[2] || !iomap[3] || !iomap[4])
		return -ENOMEM;

in pata_cs5520.c and change the end from return -ENOMEM to 

if (!iomap[0] || !iomap[1] || !iomap[2] || !iomap[3] || !iomap[4])
		panic("IO MAP");

This should help identify where the problem occurs
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