[PATCH 1/2] device: fix dev_name
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Mon Aug 30 00:05:05 EDT 2010
dev_name is supposed to return the name of the device plus the id
currently we use %s%d format where in the kernel the use %s.%d
we may think to switch to this format for the device name and keeping the %s%d
for the devfs
this will be usefull to not modify the clock device name as example
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
include/driver.h | 12 +++++++-----
lib/driver.c | 16 +++++++---------
2 files changed, 14 insertions(+), 14 deletions(-)
diff --git a/include/driver.h b/include/driver.h
index ee0749d..ab1f850 100644
--- a/include/driver.h
+++ b/include/driver.h
@@ -25,7 +25,8 @@
#include <linux/list.h>
-#define MAX_DRIVER_NAME 32
+#define MAX_DRIVER_NAME 32
+#define FORMAT_DRIVER_MANE_ID "%s%d"
#include <param.h>
@@ -176,9 +177,11 @@ int get_free_deviceid(const char *name_template);
char *deviceid_from_spec_str(const char *str, char **endp);
+extern const char *dev_id(const struct device_d *dev);
+
static inline const char *dev_name(const struct device_d *dev)
{
- return dev->name;
+ return dev_id(dev);
}
/* linear list over all available devices
@@ -239,11 +242,10 @@ static inline int dev_close_default(struct device_d *dev, struct filep *f)
}
/* debugging and troubleshooting/diagnostic helpers. */
-extern const char *dev_id(const struct device_d *dev);
#define dev_printf(dev, format, arg...) \
- printf("%s@%s: " format , dev_name(dev) , \
- dev_id(dev) , ## arg)
+ printf("%s@%s: " format , dev->name , \
+ dev_name(dev) , ## arg)
#define dev_emerg(dev, format, arg...) \
dev_printf((dev) , format , ## arg)
diff --git a/lib/driver.c b/lib/driver.c
index b600745..03a2817 100644
--- a/lib/driver.c
+++ b/lib/driver.c
@@ -45,11 +45,9 @@ static LIST_HEAD(active);
struct device_d *get_device_by_name(const char *name)
{
struct device_d *dev;
- char devname[MAX_DRIVER_NAME + 3];
for_each_device(dev) {
- sprintf(devname, "%s%d", dev->name, dev->id);
- if(!strcmp(name, devname))
+ if(!strcmp(dev_name(dev), name))
return dev;
}
@@ -62,7 +60,7 @@ int get_free_deviceid(const char *name_template)
char name[MAX_DRIVER_NAME + 3];
while (1) {
- sprintf(name, "%s%d", name_template, i);
+ sprintf(name, FORMAT_DRIVER_MANE_ID, name_template, i);
if (!get_device_by_name(name))
return i;
i++;
@@ -97,7 +95,7 @@ int register_device(struct device_d *new_device)
new_device->id = get_free_deviceid(new_device->name);
- debug ("register_device: %s\n",new_device->name);
+ debug ("register_device: %s\n", dev_name(new_device));
if (!new_device->bus) {
// dev_err(new_device, "no bus type associated. Needs fixup\n");
@@ -120,7 +118,7 @@ EXPORT_SYMBOL(register_device);
int unregister_device(struct device_d *old_dev)
{
- debug("unregister_device: %s:%s\n",old_dev->name, old_dev->id);
+ debug("unregister_device: %s\n", dev_name(old_dev->name));
if (!list_empty(&old_dev->children)) {
errno = -EBUSY;
@@ -164,7 +162,7 @@ struct driver_d *get_driver_by_name(const char *name)
static void noinfo(struct device_d *dev)
{
- printf("no info available for %s\n", dev->name);
+ printf("no info available for %s\n", dev_name(dev));
}
static void noshortinfo(struct device_d *dev)
@@ -237,7 +235,7 @@ static int do_devinfo_subtree(struct device_d *dev, int depth, char edge)
for (i = 0; i < depth; i++)
printf("| ");
- printf("%c----%s%d", edge, dev->name, dev->id);
+ printf("%c----%s", edge, dev_name(dev));
if (!list_empty(&dev->cdevs)) {
printf(" (");
list_for_each_entry(cdev, &dev->cdevs, devices_list) {
@@ -264,7 +262,7 @@ const char *dev_id(const struct device_d *dev)
{
static char buf[sizeof(unsigned long) * 2];
- sprintf(buf, "%s%d", dev->name, dev->id);
+ sprintf(buf, FORMAT_DRIVER_MANE_ID, dev->name, dev->id);
return buf;
}
--
1.7.1
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