linux-kernel - Re: Rescan IDE interface when no IDE devices are present

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Date:	Wed, 26 Jul 2006 02:28:24 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Daniel De Graaf <danieldegraaf@...il.com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linux-kernel@...r.kernel.org
Subject: Re: Rescan IDE interface when no IDE devices are present

On Sul, 2006-07-16 at 15:03 -0500, Daniel De Graaf wrote:
> On 7/16/06, Benjamin Herrenschmidt <benh@...nel.crashing.org> wrote:
> > If you have ide1, you have both hdc and hdd (slave of hdc) unles sit's
> > not really IDE ...
> >
> > Ben.
> 
> Yes, I have /dev/hdd, but no device is ever present there. I also have
> /dev/sda for the SATA hard disk, but do not think it is useful for
> HDIO_SCAN_HWIF or HWIO_UNREGISTER_HWIF ioctls.

There isn't. Feel free to write a module to do it (see how the ioctl
handles it and follow the same logic). Its at best a hack. libata is
trying to add proper hotplug for ATA/SATA.

Alan
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