Changeset 498ced1 in mainline for uspace/lib/drv/generic

Timestamp:

2018-08-11T02:43:32Z (7 years ago)

Author:

Jiří Zárevúcky <jiri.zarevucky@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

05882233

Parents:

b13d80b

git-author:

Jiří Zárevúcky <jiri.zarevucky@…> (2018-08-11 02:29:02)

git-committer:

Jiří Zárevúcky <jiri.zarevucky@…> (2018-08-11 02:43:32)

Message:

Unify reference counting and remove some unnecessary instances of <atomic.h>

Location:

uspace/lib/drv/generic

Files:

• driver.c (modified) (4 diffs)
• private/driver.h (modified) (3 diffs)

uspace/lib/drv/generic/driver.c

@@ -578 +578 @@
 static void dev_add_ref(ddf_dev_t *dev)
 {
-        atomic_inc(&dev->refcnt);
+        refcount_up(&dev->refcnt);
 }
 
@@ -587 +587 @@
 static void dev_del_ref(ddf_dev_t *dev)
 {
-        if (atomic_predec(&dev->refcnt) == 0)
+        if (refcount_down(&dev->refcnt))
                 delete_device(dev);
 }
@@ -600 +600 @@
 {
         dev_add_ref(fun->dev);
-        atomic_inc(&fun->refcnt);
+        refcount_up(&fun->refcnt);
 }
 
@@ -611 +611 @@
         ddf_dev_t *dev = fun->dev;
 
-        if (atomic_predec(&fun->refcnt) == 0)
+        if (refcount_down(&fun->refcnt))
                 delete_function(fun);
 

uspace/lib/drv/generic/private/driver.h

@@ -38 +38 @@
 
 #include <async.h>
+#include <refcount.h>
 #include <ipc/devman.h>
 #include <ipc/dev_iface.h>
@@ -51 +52 @@
 
         /** Reference count */
-        atomic_t refcnt;
+        atomic_refcount_t refcnt;
 
         /** Session with the parent device driver */
@@ -75 +76 @@
 
         /** Reference count */
-        atomic_t refcnt;
+        atomic_refcount_t refcnt;
 
         /** Device which this function belogs to */