svn commit: r323691 - in head/sys: dev/iicbus modules/i2c modules/i2c/icee

[Ian Lepore]

Author: ian
Date: Sun Sep 17 22:58:13 2017
New Revision: 323691
URL: https://svnweb.freebsd.org/changeset/base/323691

Log:
  Give icee(4) a detach() method so it can be used as a module.  Add a
  module makefile for it.

Added:
  head/sys/modules/i2c/icee/
  head/sys/modules/i2c/icee/Makefile   (contents, props changed)
Modified:
  head/sys/dev/iicbus/icee.c
  head/sys/modules/i2c/Makefile

Modified: head/sys/dev/iicbus/icee.c
==============================================================================
--- head/sys/dev/iicbus/icee.c  Sun Sep 17 22:58:13 2017        (r323690)
+++ head/sys/dev/iicbus/icee.c  Sun Sep 17 22:58:13 2017        (r323691)
@@ -206,17 +206,34 @@ icee_attach(device_t dev)
        return (0);
 }
 
+static int
+icee_detach(device_t dev)
+{
+       struct icee_softc *sc = device_get_softc(dev);
+
+       destroy_dev(sc->cdev);
+       return (0);
+}
+
 static int 
 icee_open(struct cdev *dev, int oflags, int devtype, struct thread *td)
 {
+       struct icee_softc *sc;
 
+       sc = CDEV2SOFTC(dev);
+       if (device_get_state(sc->dev) < DS_BUSY)
+               device_busy(sc->dev);
+
        return (0);
 }
 
 static int
 icee_close(struct cdev *dev, int fflag, int devtype, struct thread *td)
 {
+       struct icee_softc *sc;
 
+       sc = CDEV2SOFTC(dev);
+       device_unbusy(sc->dev);
        return (0);
 }
 
@@ -345,6 +362,7 @@ icee_write(struct cdev *dev, struct uio *uio, int iofl
 static device_method_t icee_methods[] = {
        DEVMETHOD(device_probe,         icee_probe),
        DEVMETHOD(device_attach,        icee_attach),
+       DEVMETHOD(device_detach,        icee_detach),
 
        DEVMETHOD_END
 };

Modified: head/sys/modules/i2c/Makefile
==============================================================================
--- head/sys/modules/i2c/Makefile       Sun Sep 17 22:58:13 2017        
(r323690)
+++ head/sys/modules/i2c/Makefile       Sun Sep 17 22:58:13 2017        
(r323691)
@@ -6,6 +6,7 @@ SUBDIR = \
        ds1307 \
        ds13rtc \
        ds3231 \
+       icee \
        if_ic \
        iic \
        iicbb \

Added: head/sys/modules/i2c/icee/Makefile
==============================================================================
--- /dev/null   00:00:00 1970   (empty, because file is newly added)
+++ head/sys/modules/i2c/icee/Makefile  Sun Sep 17 22:58:13 2017        
(r323691)
@@ -0,0 +1,14 @@
+# $FreeBSD$
+
+.PATH: ${SRCTOP}/sys/dev/iicbus
+KMOD=  icee
+SRCS=  icee.c
+
+SRCS+= \
+       bus_if.h \
+       device_if.h \
+       iicbus_if.h \
+       ofw_bus_if.h \
+       opt_platform.h \
+
+.include <bsd.kmod.mk>
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