Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758614AbYC1NB1 (ORCPT ); Fri, 28 Mar 2008 09:01:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758534AbYC1Mzr (ORCPT ); Fri, 28 Mar 2008 08:55:47 -0400 Received: from SpacedOut.fries.net ([67.64.210.234]:34541 "EHLO SpacedOut.fries.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758552AbYC1Mzo (ORCPT ); Fri, 28 Mar 2008 08:55:44 -0400 Date: Fri, 28 Mar 2008 07:25:48 -0500 From: David Fries To: linux-kernel@vger.kernel.org Cc: Evgeniy Polyakov Subject: [PATCH 13/35] W1: Document add, remove, and search_count. Message-ID: <20080328122548.GN3613@spacedout.fries.net> References: <200803272343.m2RNhDac017650@SpacedOut.fries.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="1HuzLmPZrG5RH6bG" Content-Disposition: inline In-Reply-To: <200803272343.m2RNhDac017650@SpacedOut.fries.net> User-Agent: Mutt/1.5.4i X-Greylist: Sender is SPF-compliant, not delayed by milter-greylist-3.0 (SpacedOut.fries.net [127.0.0.1]); Fri, 28 Mar 2008 07:25:48 -0500 (CDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2638 Lines: 70 --1HuzLmPZrG5RH6bG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Documentation/w1/w1.generic 1.2 Document w1_master_add, w1_master_remove, and search_count. Signed-off-by: David Fries --- Documentation/w1/w1.generic | 10 +++++++++- 1 files changed, 9 insertions(+), 1 deletions(-) diff --git a/Documentation/w1/w1.generic b/Documentation/w1/w1.generic index 4c6509d..98111a3 100644 --- a/Documentation/w1/w1.generic +++ b/Documentation/w1/w1.generic @@ -79,10 +79,12 @@ w1 master sysfs interface - a directory for a found device. The format is family-= serial bus - (standard) symlink to the w1 bus driver - (standard) symlink to the w1 driver +w1_master_add - Manually register a slave device w1_master_attempts - the number of times a search was attempted w1_master_max_slave_count - the maximum slaves that may be attached to a master w1_master_name - the name of the device (w1_bus_masterX) +w1_master_remove - Manually remove a slave device w1_master_search - the number of searches left to do, -1=3Dcontinual (de= fault) w1_master_slave_count - the number of slaves found @@ -90,7 +92,13 @@ w1_master_slaves - the names of the slaves, one per li= ne w1_master_timeout - the delay in seconds between searches =20 If you have a w1 bus that never changes (you don't add or remove devices), -you can set w1_master_search to a positive value to disable searches. +you can set the module parameter search_count to a small positive number +for an initially small number of bus searches. Alternatively it could be +set to zero, then manually add the slave device serial numbers by +w1_master_add device file. The w1_master_add and w1_master_remove files +generally only make sense when searching is disabled, as a search will +redetect manually removed devices that are present and timeout manually +added devices that aren't on the bus. =20 =20 w1 slave sysfs interface --=20 1.4.4.4 --1HuzLmPZrG5RH6bG Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFH7OPMAI852cse6PARAuYmAJ40MzMVV14BQ3RfMb0ZdGHj1SEkTQCfWEFd DmeXAaNqy/GbdAOd11bfY6A= =9zmb -----END PGP SIGNATURE----- --1HuzLmPZrG5RH6bG-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/