Messages in this thread | | | Date | Fri, 11 Apr 2008 15:46:52 +0100 | From | Alan Cox <> | Subject | Re: [PATCH 5/7] PPS: serial clients support. |
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> I thought it just required that the uart driver call > uart_handle_dcd_change when the state of the CD changes, and all the PPS > stuff happened in that function.
uart_ is only used by some drivers. We have a whole army of drivers using the tty layer directly and another army of drivers using the USB layer.
You also need a sensible way to talk to the devices, identify support and avoid clashing uses of carrier pins.
Alan
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