Date: Thu, 28 Mar 2013 14:25:09 +0000 (UTC) From: Matt Jacob <mjacob@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r248831 - stable/9/sys/dev/sym Message-ID: <201303281425.r2SEP956070832@svn.freebsd.org>
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Author: mjacob Date: Thu Mar 28 14:25:09 2013 New Revision: 248831 URL: http://svnweb.freebsd.org/changeset/base/248831 Log: MFC 247266 Don't try and negotiate sync mode if either period or offset are zero. Modified: stable/9/sys/dev/sym/sym_hipd.c Directory Properties: stable/9/sys/ (props changed) stable/9/sys/dev/ (props changed) Modified: stable/9/sys/dev/sym/sym_hipd.c ============================================================================== --- stable/9/sys/dev/sym/sym_hipd.c Thu Mar 28 14:14:28 2013 (r248830) +++ stable/9/sys/dev/sym/sym_hipd.c Thu Mar 28 14:25:09 2013 (r248831) @@ -8245,8 +8245,13 @@ static void sym_update_trans(hcb_p np, t * Scale against driver configuration limits. */ if (tip->width > SYM_SETUP_MAX_WIDE) tip->width = SYM_SETUP_MAX_WIDE; - if (tip->offset > SYM_SETUP_MAX_OFFS) tip->offset = SYM_SETUP_MAX_OFFS; - if (tip->period < SYM_SETUP_MIN_SYNC) tip->period = SYM_SETUP_MIN_SYNC; + if (tip->period && tip->offset) { + if (tip->offset > SYM_SETUP_MAX_OFFS) tip->offset = SYM_SETUP_MAX_OFFS; + if (tip->period < SYM_SETUP_MIN_SYNC) tip->period = SYM_SETUP_MIN_SYNC; + } else { + tip->offset = 0; + tip->period = 0; + } /* * Scale against actual controller BUS width. @@ -8265,21 +8270,23 @@ static void sym_update_trans(hcb_p np, t /* * Scale period factor and offset against controller limits. */ - if (tip->options & PPR_OPT_DT) { - if (tip->period < np->minsync_dt) - tip->period = np->minsync_dt; - if (tip->period > np->maxsync_dt) - tip->period = np->maxsync_dt; - if (tip->offset > np->maxoffs_dt) - tip->offset = np->maxoffs_dt; - } - else { - if (tip->period < np->minsync) - tip->period = np->minsync; - if (tip->period > np->maxsync) - tip->period = np->maxsync; - if (tip->offset > np->maxoffs) - tip->offset = np->maxoffs; + if (tip->offset && tip->period) { + if (tip->options & PPR_OPT_DT) { + if (tip->period < np->minsync_dt) + tip->period = np->minsync_dt; + if (tip->period > np->maxsync_dt) + tip->period = np->maxsync_dt; + if (tip->offset > np->maxoffs_dt) + tip->offset = np->maxoffs_dt; + } + else { + if (tip->period < np->minsync) + tip->period = np->minsync; + if (tip->period > np->maxsync) + tip->period = np->maxsync; + if (tip->offset > np->maxoffs) + tip->offset = np->maxoffs; + } } }
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