Module Name: src
Committed By: jdc
Date: Mon Jan 11 18:24:56 UTC 2016
Modified Files:
src/sys/dev/ic: pcf8584.c
Log Message:
Always take the bus lock (avoids collisions when drivers set I2C_F_POLL).
To generate a diff of this commit:
cvs rdiff -u -r1.14 -r1.15 src/sys/dev/ic/pcf8584.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/ic/pcf8584.c
diff -u src/sys/dev/ic/pcf8584.c:1.14 src/sys/dev/ic/pcf8584.c:1.15
--- src/sys/dev/ic/pcf8584.c:1.14 Mon Jan 4 10:00:33 2016
+++ src/sys/dev/ic/pcf8584.c Mon Jan 11 18:24:56 2016
@@ -1,4 +1,4 @@
-/* $NetBSD: pcf8584.c,v 1.14 2016/01/04 10:00:33 jdc Exp $ */
+/* $NetBSD: pcf8584.c,v 1.15 2016/01/11 18:24:56 jdc Exp $ */
/* $OpenBSD: pcf8584.c,v 1.9 2007/10/20 18:46:21 kettenis Exp $ */
/*
@@ -116,9 +116,6 @@ pcfiic_i2c_acquire_bus(void *arg, int fl
{
struct pcfiic_softc *sc = arg;
- if (cold || sc->sc_poll || (flags & I2C_F_POLL))
- return (0);
-
rw_enter(&sc->sc_lock, RW_WRITER);
return 0;
}
@@ -128,9 +125,6 @@ pcfiic_i2c_release_bus(void *arg, int fl
{
struct pcfiic_softc *sc = arg;
- if (cold || sc->sc_poll || (flags & I2C_F_POLL))
- return;
-
rw_exit(&sc->sc_lock);
}