Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756848AbYG2CUY (ORCPT ); Mon, 28 Jul 2008 22:20:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752880AbYG2CUJ (ORCPT ); Mon, 28 Jul 2008 22:20:09 -0400 Received: from SpacedOut.fries.net ([67.64.210.234]:48742 "EHLO SpacedOut.fries.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752743AbYG2CUI (ORCPT ); Mon, 28 Jul 2008 22:20:08 -0400 Date: Mon, 28 Jul 2008 21:20:01 -0500 From: David Fries To: Andrew Morton Cc: linux-kernel@vger.kernel.org, Evgeniy Polyakov Subject: [PATCH 10/30] W1: Document add, remove, search_count, and pullup. Message-ID: <20080729022001.GJ24452@spacedout.fries.net> References: <20080729020433.GA24424@spacedout.fries.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="07FIeBX8hApXX6Bi" Content-Disposition: inline In-Reply-To: <20080729020433.GA24424@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]); Mon, 28 Jul 2008 21:20:02 -0500 (CDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2731 Lines: 71 --07FIeBX8hApXX6Bi Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Document w1_master_add, w1_master_remove, search_count, and pullup. Signed-off-by: David Fries Signed-off-by: Evgeniy Polyakov --- Documentation/w1/w1.generic | 11 ++++++++++- 1 files changed, 10 insertions(+), 1 deletions(-) diff --git a/Documentation/w1/w1.generic b/Documentation/w1/w1.generic index 4c6509d..e3333ee 100644 --- a/Documentation/w1/w1.generic +++ b/Documentation/w1/w1.generic @@ -79,10 +79,13 @@ 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_pullup - 5V strong pullup 0 enabled, 1 disabled +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 +93,13 @@ 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 --07FIeBX8hApXX6Bi Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFIjn5RAI852cse6PARArvRAJ9eTjQyRYPcuTVAyerUuUCMB+zXIwCgldAD zZoyzg4VjnazJByXKqboSfA= =WPD8 -----END PGP SIGNATURE----- --07FIeBX8hApXX6Bi-- -- 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/