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Subject: Re: IDE-flash device and hard disk on same controller
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Jeff Garzik <jgarzik@mandrakesoft.com>,
       "Eric W. Biederman" <ebiederm@xmission.com>,
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On Fri, 2002-08-23 at 12:41, Benjamin Herrenschmidt wrote:
> Also, another issue we didn't deal with properly yet is PM. With non-APM
> power management (like pmac, but probably also ACPI and some embedded
> devices), the devices will be basically powered off during suspend, and
> no firmware is here to put them back into life on wakeup. So you have to
> redo the bringup, which, in some cases (like hotswap IDE bays on some
> PowerBooks) probably involves re-running the probe procedure at least,

ACPI deals with this itself. The problem however can occur in other
cases (hot plug ATA disks for one).

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