linux-kernel - Re: [PATCH 2/3] ide: fix drive_is_ready() for non-PCI hosts and CONFIG_IDEPCI_SHARE

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Date:	Fri, 26 Oct 2007 02:30:52 +0200
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] ide: fix drive_is_ready() for non-PCI hosts and CONFIG_IDEPCI_SHARE_IRQ=y

On Friday 26 October 2007, Alan Cox wrote:
> On Fri, 26 Oct 2007 01:36:37 +0200
> Bartlomiej Zolnierkiewicz <bzolnier@...il.com> wrote:
> 
> > 
> > Need to check if the host is a PCI one before reading IDE_ALTSTATUS_REG.
> > 
> > Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
> 
> Umm why ? The altstatus register goes back to ST-506 and the original IBM
> XT hard disk controller card ?

Thought that there have to be some (non-obvious) reason behing the fact that
IDE_ALTSTATUS_REG reading was covered by #ifdef CONFIG_IDEPCI_SHARE_IRQ.

However if this is the case patch #2/3 can be dumped and we can go straight
to patch #3/3.

Thanks,
Bart
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