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Diffstat (limited to 'net/caif/cfsrvl.c')
-rw-r--r--net/caif/cfsrvl.c40
1 files changed, 29 insertions, 11 deletions
diff --git a/net/caif/cfsrvl.c b/net/caif/cfsrvl.c
index ab5e542526bf..535a1e72b366 100644
--- a/net/caif/cfsrvl.c
+++ b/net/caif/cfsrvl.c
@@ -10,6 +10,7 @@
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/slab.h>
+#include <linux/module.h>
#include <net/caif/caif_layer.h>
#include <net/caif/cfsrvl.h>
#include <net/caif/cfpkt.h>
@@ -27,8 +28,8 @@ static void cfservl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
{
struct cfsrvl *service = container_obj(layr);
- caif_assert(layr->up != NULL);
- caif_assert(layr->up->ctrlcmd != NULL);
+ if (layr->up == NULL || layr->up->ctrlcmd == NULL)
+ return;
switch (ctrl) {
case CAIF_CTRLCMD_INIT_RSP:
@@ -151,14 +152,9 @@ static int cfservl_modemcmd(struct cflayer *layr, enum caif_modemcmd ctrl)
return -EINVAL;
}
-void cfservl_destroy(struct cflayer *layer)
+static void cfsrvl_release(struct cflayer *layer)
{
- kfree(layer);
-}
-
-void cfsrvl_release(struct kref *kref)
-{
- struct cfsrvl *service = container_of(kref, struct cfsrvl, ref);
+ struct cfsrvl *service = container_of(layer, struct cfsrvl, layer);
kfree(service);
}
@@ -178,10 +174,8 @@ void cfsrvl_init(struct cfsrvl *service,
service->dev_info = *dev_info;
service->supports_flowctrl = supports_flowctrl;
service->release = cfsrvl_release;
- kref_init(&service->ref);
}
-
bool cfsrvl_ready(struct cfsrvl *service, int *err)
{
if (service->open && service->modem_flow_on && service->phy_flow_on)
@@ -194,6 +188,7 @@ bool cfsrvl_ready(struct cfsrvl *service, int *err)
*err = -EAGAIN;
return false;
}
+
u8 cfsrvl_getphyid(struct cflayer *layer)
{
struct cfsrvl *servl = container_obj(layer);
@@ -205,3 +200,26 @@ bool cfsrvl_phyid_match(struct cflayer *layer, int phyid)
struct cfsrvl *servl = container_obj(layer);
return servl->dev_info.id == phyid;
}
+
+void caif_free_client(struct cflayer *adap_layer)
+{
+ struct cfsrvl *servl;
+ if (adap_layer == NULL || adap_layer->dn == NULL)
+ return;
+ servl = container_obj(adap_layer->dn);
+ servl->release(&servl->layer);
+}
+EXPORT_SYMBOL(caif_free_client);
+
+void caif_client_register_refcnt(struct cflayer *adapt_layer,
+ void (*hold)(struct cflayer *lyr),
+ void (*put)(struct cflayer *lyr))
+{
+ struct cfsrvl *service;
+ service = container_of(adapt_layer->dn, struct cfsrvl, layer);
+
+ WARN_ON(adapt_layer == NULL || adapt_layer->dn == NULL);
+ service->hold = hold;
+ service->put = put;
+}
+EXPORT_SYMBOL(caif_client_register_refcnt);