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path: root/drivers/media/dvb/bt8xx/dst.c
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Diffstat (limited to 'drivers/media/dvb/bt8xx/dst.c')
-rw-r--r--drivers/media/dvb/bt8xx/dst.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c
index 0310e3dd07e6..1cfa5e5035d8 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;
}