Messages in this thread | | | Subject | Re: compact flash IDE hot-swap summary please | From | Alan Cox <> | Date | 23 Jul 2003 21:13:51 +0100 |
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On Mer, 2003-07-23 at 20:49, Russell King wrote: > > Drive level hotswap is supported only in the "I unmounted it all > > properly first" case and providing your system has the required bus > > isolation. Typically its also only allowed in IDE if you have a > > single disk on the channel. With dual device you tend to have nasty > > accidents pulling something out while the other device is "live" > > Any ideas if this is going to be fixed for 2.6? I think this is a show > stopper, certainly for embedded devices - a fair number of people do use > CF cards in their embedded solutions, and some of us hotplug CF cards to > grab images off our digital cameras.
Everyone I know is using the PCMCIA interface stuff for that. Now that can support the unplugging but the ide-cs code is still not doing the right things in this case (and the core could be a little more careful). The ide_unregister can fail - you are supposed to call it again later if it does - ide_cs doesnt
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