Date: Fri, 8 Nov 2019 07:35:32 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r354529 - stable/12/sys/dev/ow Message-ID: <201911080735.xA87ZW8G057289@repo.freebsd.org>
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Author: avg Date: Fri Nov 8 07:35:32 2019 New Revision: 354529 URL: https://svnweb.freebsd.org/changeset/base/354529 Log: MFC r354069: owc_gpiobus_read_data: disable preemption earlier Modified: stable/12/sys/dev/ow/owc_gpiobus.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/dev/ow/owc_gpiobus.c ============================================================================== --- stable/12/sys/dev/ow/owc_gpiobus.c Fri Nov 8 06:40:17 2019 (r354528) +++ stable/12/sys/dev/ow/owc_gpiobus.c Fri Nov 8 07:35:32 2019 (r354529) @@ -279,6 +279,8 @@ owc_gpiobus_read_data(device_t dev, struct ow_timing * if (error != 0) return (error); + critical_enter(); + /* Force low for t_lowr microseconds */ then = sbinuptime(); OUTPIN(sc); @@ -291,7 +293,6 @@ owc_gpiobus_read_data(device_t dev, struct ow_timing * * master's pushing the line low. */ INPIN(sc); - critical_enter(); do { now = sbinuptime(); GETPIN(sc, &sample);
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