Messages in this thread | | | Subject | Re: [PATCH v14 00/11] mux controller abstraction and iio/i2c muxes | From | Philipp Zabel <> | Date | Mon, 24 Apr 2017 16:59:29 +0200 |
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On Mon, 2017-04-24 at 16:36 +0200, Peter Rosin wrote: [...] > > How about an atomic use_count on the mux_control, a bool shared that is > > only set by the first consumer, and controls whether selecting locks? > > That has the drawback that it is hard to restore the mux-control in a safe > way so that exclusive consumers are allowed after the last shared consumer > puts the mux away.
True.
> Agreed, it's a corner case, but I had this very similar > patch going through the compiler when I got this mail. Does it work as well > as what you suggested?
Yes, this patch works just as well.
regards Philipp
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