[PATCH 18/50] staging: most: core: track aim modules with linked list
Christian Gromm
christian.gromm at microchip.com
Tue Nov 21 14:04:52 UTC 2017
The core needs to know what modules are registered. This patch makes the
core keep track of the registered modules.
Signed-off-by: Christian Gromm <christian.gromm at microchip.com>
---
drivers/staging/most/core.c | 6 ++++--
drivers/staging/most/core.h | 1 +
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/most/core.c b/drivers/staging/most/core.c
index 9a313cc..b9b9739 100644
--- a/drivers/staging/most/core.c
+++ b/drivers/staging/most/core.c
@@ -1300,8 +1300,8 @@ int most_register_aim(struct most_aim *aim)
pr_err("registering device %s failed\n", aim->name);
return ret;
}
- pr_info("registered new application interfacing module %s\n",
- aim->name);
+ list_add_tail(&aim->list, &mc.mod_list);
+ pr_info("registered new application interfacing module %s\n", aim->name);
return 0;
}
EXPORT_SYMBOL_GPL(most_register_aim);
@@ -1332,6 +1332,7 @@ int most_deregister_aim(struct most_aim *aim)
}
}
device_unregister(&aim->dev);
+ list_del(&aim->list);
pr_info("deregistering application interfacing module %s\n", aim->name);
return 0;
}
@@ -1551,6 +1552,7 @@ static int __init most_init(void)
pr_info("init()\n");
INIT_LIST_HEAD(&instance_list);
+ INIT_LIST_HEAD(&mc.mod_list);
ida_init(&mdev_id);
mc.bus.name = "most",
diff --git a/drivers/staging/most/core.h b/drivers/staging/most/core.h
index b392ba5..0199be0 100644
--- a/drivers/staging/most/core.h
+++ b/drivers/staging/most/core.h
@@ -269,6 +269,7 @@ struct most_interface {
*/
struct most_aim {
struct device dev;
+ struct list_head list;
const char *name;
int (*probe_channel)(struct most_interface *iface, int channel_idx,
struct most_channel_config *cfg, char *name);
--
2.7.4
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