svn commit: r354529 - stable/12/sys/dev/ow
Andriy Gapon
avg at FreeBSD.org
Fri Nov 8 07:35:33 UTC 2019
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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