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Message-ID: <20070216210328.GE4641@enneenne.com> 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 -- GNU/Linux Solutions e-mail: giometti@...eenne.com Linux Device Driver giometti@...dd.com Embedded Systems giometti@...ux.it UNIX programming phone: +39 349 2432127 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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