Author: ian
Date: Sat Apr 7 18:25:07 2018
New Revision: 332195
URL: https://svnweb.freebsd.org/changeset/base/332195
Log:
A couple minor improvements to spibus.c...
- Change the description string to "SPI bus" (was "spibus bus").
- This is the default driver for a SPI bus, not a generic implementation,
so return the probe value that indicates such.
- Use device_delete_children() at detach time, instead of a local loop
to enumerate the children and detach each one individually.
Modified:
head/sys/dev/spibus/spibus.c
Modified: head/sys/dev/spibus/spibus.c
==============================================================================
--- head/sys/dev/spibus/spibus.c Sat Apr 7 18:09:31 2018
(r332194)
+++ head/sys/dev/spibus/spibus.c Sat Apr 7 18:25:07 2018
(r332195)
@@ -49,8 +49,9 @@ __FBSDID("$FreeBSD$");
static int
spibus_probe(device_t dev)
{
- device_set_desc(dev, "spibus bus");
- return (BUS_PROBE_GENERIC);
+
+ device_set_desc(dev, "SPI bus");
+ return (BUS_PROBE_DEFAULT);
}
static int
@@ -70,16 +71,11 @@ spibus_attach(device_t dev)
static int
spibus_detach(device_t dev)
{
- int err, ndevs, i;
- device_t *devlist;
+ int err;
if ((err = bus_generic_detach(dev)) != 0)
return (err);
- if ((err = device_get_children(dev, &devlist, &ndevs)) != 0)
- return (err);
- for (i = 0; i < ndevs; i++)
- device_delete_child(dev, devlist[i]);
- free(devlist, M_TEMP);
+ device_delete_children(dev);
return (0);
}
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