Date: Sun, 22 Aug 2010 21:32:48 +0000 (UTC) From: Pyun YongHyeon <yongari@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r211650 - head/share/man/man4 Message-ID: <201008222132.o7MLWmGT016845@svn.freebsd.org>
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Author: yongari Date: Sun Aug 22 21:32:48 2010 New Revision: 211650 URL: http://svn.freebsd.org/changeset/base/211650 Log: Document tunable dev.rl.%unit.prefer_iomap Modified: head/share/man/man4/rl.4 Modified: head/share/man/man4/rl.4 ============================================================================== --- head/share/man/man4/rl.4 Sun Aug 22 21:27:15 2010 (r211649) +++ head/share/man/man4/rl.4 Sun Aug 22 21:32:48 2010 (r211650) @@ -30,7 +30,7 @@ .\" .\" $FreeBSD$ .\" -.Dd November 1, 2008 +.Dd August 22, 2010 .Dt RL 4 .Os .Sh NAME @@ -203,6 +203,13 @@ SOHO (PRAGMATIC) UE-1211C .El .Sh LOADER TUNABLES .Bl -tag -width indent +.It Va dev.rl.%unit.prefer_iomap +This tunable controls which register mapping should be used on the +specified device. +Non-zero value enables I/O space register mapping. +For controllers that have no I/O space register mapping this tunable +should be set to 0 to use I/O space register mapping. +The default value is 1 to use I/O space register mapping. .It Va dev.rl.%unit.twister_enable Non-zero value enables the long cable tuning on the specified device. Disabled by default.
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