aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/base
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/bus.c2
-rw-r--r--drivers/base/component.c12
-rw-r--r--drivers/base/faux.c15
-rw-r--r--drivers/base/physical_location.c5
4 files changed, 24 insertions, 10 deletions
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 6b9e65a42cd2..5ea3b03af9ba 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -1291,7 +1291,7 @@ EXPORT_SYMBOL_GPL(subsys_system_register);
* @groups: default attributes for the root device
*
* All 'virtual' subsystems have a /sys/devices/system/<name> root device
- * with the name of the subystem. The root device can carry subsystem-wide
+ * with the name of the subsystem. The root device can carry subsystem-wide
* attributes. All registered devices are below this single root device.
* There's no restriction on device naming. This is for kernel software
* constructs which need sysfs interface.
diff --git a/drivers/base/component.c b/drivers/base/component.c
index a482708566bc..abe60eb45c55 100644
--- a/drivers/base/component.c
+++ b/drivers/base/component.c
@@ -87,17 +87,17 @@ static int component_devices_show(struct seq_file *s, void *data)
size_t i;
mutex_lock(&component_mutex);
- seq_printf(s, "%-40s %20s\n", "aggregate_device name", "status");
- seq_puts(s, "-------------------------------------------------------------\n");
- seq_printf(s, "%-40s %20s\n\n",
+ seq_printf(s, "%-50s %20s\n", "aggregate_device name", "status");
+ seq_puts(s, "-----------------------------------------------------------------------\n");
+ seq_printf(s, "%-50s %20s\n\n",
dev_name(m->parent), m->bound ? "bound" : "not bound");
- seq_printf(s, "%-40s %20s\n", "device name", "status");
- seq_puts(s, "-------------------------------------------------------------\n");
+ seq_printf(s, "%-50s %20s\n", "device name", "status");
+ seq_puts(s, "-----------------------------------------------------------------------\n");
for (i = 0; i < match->num; i++) {
struct component *component = match->compare[i].component;
- seq_printf(s, "%-40s %20s\n",
+ seq_printf(s, "%-50s %20s\n",
component ? dev_name(component->dev) : "(unknown)",
component ? (component->bound ? "bound" : "not bound") : "not registered");
}
diff --git a/drivers/base/faux.c b/drivers/base/faux.c
index 531e9d789ee0..407c1d1aad50 100644
--- a/drivers/base/faux.c
+++ b/drivers/base/faux.c
@@ -102,7 +102,9 @@ static void faux_device_release(struct device *dev)
*
* Note, when this function is called, the functions specified in struct
* faux_ops can be called before the function returns, so be prepared for
- * everything to be properly initialized before that point in time.
+ * everything to be properly initialized before that point in time. If the
+ * probe callback (if one is present) does NOT succeed, the creation of the
+ * device will fail and NULL will be returned.
*
* Return:
* * NULL if an error happened with creating the device
@@ -147,6 +149,17 @@ struct faux_device *faux_device_create_with_groups(const char *name,
return NULL;
}
+ /*
+ * Verify that we did bind the driver to the device (i.e. probe worked),
+ * if not, let's fail the creation as trying to guess if probe was
+ * successful is almost impossible to determine by the caller.
+ */
+ if (!dev->driver) {
+ dev_err(dev, "probe did not succeed, tearing down the device\n");
+ faux_device_destroy(faux_dev);
+ faux_dev = NULL;
+ }
+
return faux_dev;
}
EXPORT_SYMBOL_GPL(faux_device_create_with_groups);
diff --git a/drivers/base/physical_location.c b/drivers/base/physical_location.c
index 5db06e825c94..a5539e294d4d 100644
--- a/drivers/base/physical_location.c
+++ b/drivers/base/physical_location.c
@@ -7,6 +7,7 @@
#include <linux/acpi.h>
#include <linux/sysfs.h>
+#include <linux/string_choices.h>
#include "physical_location.h"
@@ -116,7 +117,7 @@ static ssize_t dock_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
return sysfs_emit(buf, "%s\n",
- dev->physical_location->dock ? "yes" : "no");
+ str_yes_no(dev->physical_location->dock));
}
static DEVICE_ATTR_RO(dock);
@@ -124,7 +125,7 @@ static ssize_t lid_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
return sysfs_emit(buf, "%s\n",
- dev->physical_location->lid ? "yes" : "no");
+ str_yes_no(dev->physical_location->lid));
}
static DEVICE_ATTR_RO(lid);