linux-kernel - Re: [PATCH 1/1] LinuxPPS: Pulse per Second support for Linux

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Date:	Fri, 16 Feb 2007 22:03:28 +0100
From:	Rodolfo Giometti <giometti@...eenne.com>
To:	Russell King <rmk+lkml@....linux.org.uk>
Cc:	linux-kernel@...r.kernel.org, linuxpps@...enneenne.com
Subject: Re: [PATCH 1/1] LinuxPPS: Pulse per Second support for Linux

On Fri, Feb 16, 2007 at 08:51:35PM +0000, Russell King wrote:
> 
> You can't because it doesn't go through the interfaces you're hooking
> into.  Existing interfaces are "changed" to point at the UARTs using
> setserial, which does its work via an ioctl.

I see.

> Not specifically only userland - if it happens to be set when the port
> is registered then enable PPS support then as well.
> 
> So:
> 
> 1. uart_configure_port - if UPF_HARDPPS_CD is set, register the port
>    for PPS support.
> 2. uart_remove_one_port - if UPF_HARDPPS_CD is set, unregister the port
>    for PPS support.
> 3. uart_set_info - if changing UPF_HARDPPS_CD, appropriately register or
>    unregister the port for PPS support.

Ok. I'm going to study how to modify the code.

> PS, linuxpps@...enneenne.com dropped from the cc: since it rejects my
> postings.

I just fixed my spam filter (at least I hope so :).

Thanks,

Rodolfo

-- 

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