[PATCH 04/12] fs: add bus device
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Sun Oct 14 17:01:10 EDT 2012
automatically add it as parent of any fs device
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
fs/fs.c | 23 +++++++++++++++--------
1 file changed, 15 insertions(+), 8 deletions(-)
diff --git a/fs/fs.c b/fs/fs.c
index b9a1f17..b63a005 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -1131,7 +1131,12 @@ static void fs_remove(struct device_d *dev)
free(fsdev);
}
-struct bus_type fs_bus = {
+struct device_d fs_bus = {
+ .name = "fs",
+ .id = DEVICE_ID_SINGLE,
+};
+
+struct bus_type fs_bus_type = {
.name = "fs",
.match = fs_match,
.probe = fs_probe,
@@ -1140,13 +1145,14 @@ struct bus_type fs_bus = {
static int fs_bus_init(void)
{
- return bus_register(&fs_bus);
+ register_device(&fs_bus);
+ return bus_register(&fs_bus_type);
}
pure_initcall(fs_bus_init);
int register_fs_driver(struct fs_driver_d *fsdrv)
{
- fsdrv->drv.bus = &fs_bus;
+ fsdrv->drv.bus = &fs_bus_type;
register_driver(&fsdrv->drv);
return 0;
@@ -1162,10 +1168,7 @@ static const char *detect_fs(const char *filename)
if (type == filetype_unknown)
return NULL;
- for_each_driver(drv) {
- if (drv->bus != &fs_bus)
- continue;
-
+ bus_for_each_driver(&fs_bus_type, drv) {
fdrv = drv_to_fs_driver(drv);
if (type == fdrv->type)
@@ -1217,11 +1220,15 @@ int mount(const char *device, const char *fsname, const char *_path)
safe_strncpy(fsdev->dev.name, fsname, MAX_DRIVER_NAME);
fsdev->dev.id = get_free_deviceid(fsdev->dev.name);
fsdev->path = xstrdup(path);
- fsdev->dev.bus = &fs_bus;
+ fsdev->dev.bus = &fs_bus_type;
if (!strncmp(device, "/dev/", 5))
fsdev->cdev = cdev_by_name(device + 5);
+ if (!fsdev->dev.parent) {
+ fsdev->dev.parent = &fs_bus;
+ dev_add_child(fsdev->dev.parent, &fsdev->dev);
+ }
ret = register_device(&fsdev->dev);
if (ret)
goto err_register;
--
1.7.10.4
More information about the barebox
mailing list