Reattach/redetect allways connected umass device - is it
possible ?
Poul-Henning Kamp
phk at phk.freebsd.dk
Tue Mar 29 00:23:42 PST 2005
In message <20050329.011633.33548829.imp at bsdimp.com>, "M. Warner Losh" writes:
>: >: Only partial.
>: >
>: >You should be getting a change notification on the first access after
>: >the change happens...
>:
>: Right, that's what I mean by "partial". Full support would be an interrupt
>: when a media is removed or inserted.
>
>And what hardware, apart from PC Card, actually supports this?
>From my point of view that is not really a relevant question in
this discussion. The driver write will have to work with whatever
his hardware can do, and compensate for less than ideal support with
polling if necessary.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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