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authorSjur Braendeland <sjur.brandeland@stericsson.com>2010-06-17 08:55:38 +0200
committerDavid S. Miller <davem@davemloft.net>2010-06-21 04:46:05 +0200
commitb1c74247b9e29ae3bfdf133862328c309bc9cf14 (patch)
treea20cd55d47036a22e3857d382ed505436a366efe /net/caif/cfsrvl.c
parente1000e: update driver version number (diff)
downloadlinux-b1c74247b9e29ae3bfdf133862328c309bc9cf14.tar.xz
linux-b1c74247b9e29ae3bfdf133862328c309bc9cf14.zip
caif: Bugfix not all services uses flow-ctrl.
Flow control is not used by all CAIF services. The usage of flow control is now part of the gerneal initialization function for CAIF Services. Signed-off-by: Sjur Braendeland@stericsson.com Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/caif/cfsrvl.c')
-rw-r--r--net/caif/cfsrvl.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/net/caif/cfsrvl.c b/net/caif/cfsrvl.c
index 6e5b7079a684..7aa1f03a0151 100644
--- a/net/caif/cfsrvl.c
+++ b/net/caif/cfsrvl.c
@@ -24,8 +24,10 @@ static void cfservl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
int phyid)
{
struct cfsrvl *service = container_obj(layr);
+
caif_assert(layr->up != NULL);
caif_assert(layr->up->ctrlcmd != NULL);
+
switch (ctrl) {
case CAIF_CTRLCMD_INIT_RSP:
service->open = true;
@@ -89,9 +91,14 @@ static void cfservl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
static int cfservl_modemcmd(struct cflayer *layr, enum caif_modemcmd ctrl)
{
struct cfsrvl *service = container_obj(layr);
+
caif_assert(layr != NULL);
caif_assert(layr->dn != NULL);
caif_assert(layr->dn->transmit != NULL);
+
+ if (!service->supports_flowctrl)
+ return 0;
+
switch (ctrl) {
case CAIF_MODEMCMD_FLOW_ON_REQ:
{
@@ -153,8 +160,10 @@ void cfservl_destroy(struct cflayer *layer)
}
void cfsrvl_init(struct cfsrvl *service,
- u8 channel_id,
- struct dev_info *dev_info)
+ u8 channel_id,
+ struct dev_info *dev_info,
+ bool supports_flowctrl
+ )
{
caif_assert(offsetof(struct cfsrvl, layer) == 0);
service->open = false;
@@ -164,6 +173,7 @@ void cfsrvl_init(struct cfsrvl *service,
service->layer.ctrlcmd = cfservl_ctrlcmd;
service->layer.modemcmd = cfservl_modemcmd;
service->dev_info = *dev_info;
+ service->supports_flowctrl = supports_flowctrl;
kref_init(&service->ref);
}