Messages in this thread | | | Subject | Re: [PATCH 2/3] Add disk hotswap support to libata RESEND #5 | From | Alan Cox <> | Date | Thu, 29 Sep 2005 00:20:51 +0100 |
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For PATA the requirements I'm aware of are
- Interface for user to say "am about to swap" - Interface for user to say "have swapped" - Must quiesce both master and slave before swap (or one per cable) - Must reset to PIO_SLOW and then recompute modes for both devices becuse it is possible that changing one changes the other timings - The above is true for *unplug* too. A straight unplug may speed up the other drive! - Post hotswap need to reconfigure both drives as if from scratch
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