1 files changed, 7 insertions, 7 deletions

diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c
index 3a2ff1cc24b7..d800df1212c5 100644
--- a/drivers/media/dvb/bt8xx/dst.c
+++ b/drivers/media/dvb/bt8xx/dst.c
@@ -910,7 +910,7 @@ static int dst_get_device_id(struct dst_state *state)
 
 static int dst_probe(struct dst_state *state)
 {
-        sema_init(&state->dst_mutex, 1);
+        mutex_init(&state->dst_mutex);
         if ((rdc_8820_reset(state)) < 0) {
                 dprintk(verbose, DST_ERROR, 1, "RDC 8820 RESET Failed.");
                 return -1;
@@ -962,7 +962,7 @@ int dst_command(struct dst_state *state, u8 *data, u8 len)
 {
         u8 reply;
 
-        down(&state->dst_mutex);
+        mutex_lock(&state->dst_mutex);
         if ((dst_comm_init(state)) < 0) {
                 dprintk(verbose, DST_NOTICE, 1, "DST Communication Initialization Failed.");
                 goto error;
@@ -1013,11 +1013,11 @@ int dst_command(struct dst_state *state, u8 *data, u8 len)
                 dprintk(verbose, DST_INFO, 1, "checksum failure");
                 goto error;
         }
-        up(&state->dst_mutex);
+        mutex_unlock(&state->dst_mutex);
         return 0;
 
 error:
-        up(&state->dst_mutex);
+        mutex_unlock(&state->dst_mutex);
         return -EIO;
 
 }
@@ -1128,7 +1128,7 @@ static int dst_write_tuna(struct dvb_frontend *fe)
                         dst_set_voltage(fe, SEC_VOLTAGE_13);
         }
         state->diseq_flags &= ~(HAS_LOCK | ATTEMPT_TUNE);
-        down(&state->dst_mutex);
+        mutex_lock(&state->dst_mutex);
         if ((dst_comm_init(state)) < 0) {
                 dprintk(verbose, DST_DEBUG, 1, "DST Communication initialization failed.");
                 goto error;
@@ -1160,11 +1160,11 @@ static int dst_write_tuna(struct dvb_frontend *fe)
         state->diseq_flags |= ATTEMPT_TUNE;
         retval = dst_get_tuna(state);
 werr:
-        up(&state->dst_mutex);
+        mutex_unlock(&state->dst_mutex);
         return retval;
 
 error:
-        up(&state->dst_mutex);
+        mutex_unlock(&state->dst_mutex);
         return -EIO;
 }