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path: root/drivers/media/dvb/frontends/bcm3510.c
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Diffstat (limited to 'drivers/media/dvb/frontends/bcm3510.c')
-rw-r--r--drivers/media/dvb/frontends/bcm3510.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/media/dvb/frontends/bcm3510.c b/drivers/media/dvb/frontends/bcm3510.c
index caaee893ca76..1708a1d4893e 100644
--- a/drivers/media/dvb/frontends/bcm3510.c
+++ b/drivers/media/dvb/frontends/bcm3510.c
@@ -39,6 +39,7 @@
39#include <linux/jiffies.h> 39#include <linux/jiffies.h>
40#include <linux/string.h> 40#include <linux/string.h>
41#include <linux/slab.h> 41#include <linux/slab.h>
42#include <linux/mutex.h>
42 43
43#include "dvb_frontend.h" 44#include "dvb_frontend.h"
44#include "bcm3510.h" 45#include "bcm3510.h"
@@ -52,7 +53,7 @@ struct bcm3510_state {
52 struct dvb_frontend frontend; 53 struct dvb_frontend frontend;
53 54
54 /* demodulator private data */ 55 /* demodulator private data */
55 struct semaphore hab_sem; 56 struct mutex hab_mutex;
56 u8 firmware_loaded:1; 57 u8 firmware_loaded:1;
57 58
58 unsigned long next_status_check; 59 unsigned long next_status_check;
@@ -213,7 +214,7 @@ static int bcm3510_do_hab_cmd(struct bcm3510_state *st, u8 cmd, u8 msgid, u8 *ob
213 dbufout(ob,olen+2,deb_hab); 214 dbufout(ob,olen+2,deb_hab);
214 deb_hab("\n"); 215 deb_hab("\n");
215 216
216 if (down_interruptible(&st->hab_sem) < 0) 217 if (mutex_lock_interruptible(&st->hab_mutex) < 0)
217 return -EAGAIN; 218 return -EAGAIN;
218 219
219 if ((ret = bcm3510_hab_send_request(st, ob, olen+2)) < 0 || 220 if ((ret = bcm3510_hab_send_request(st, ob, olen+2)) < 0 ||
@@ -226,7 +227,7 @@ static int bcm3510_do_hab_cmd(struct bcm3510_state *st, u8 cmd, u8 msgid, u8 *ob
226 227
227 memcpy(ibuf,&ib[2],ilen); 228 memcpy(ibuf,&ib[2],ilen);
228error: 229error:
229 up(&st->hab_sem); 230 mutex_unlock(&st->hab_mutex);
230 return ret; 231 return ret;
231} 232}
232 233
@@ -796,7 +797,7 @@ struct dvb_frontend* bcm3510_attach(const struct bcm3510_config *config,
796 state->frontend.ops = &state->ops; 797 state->frontend.ops = &state->ops;
797 state->frontend.demodulator_priv = state; 798 state->frontend.demodulator_priv = state;
798 799
799 sema_init(&state->hab_sem, 1); 800 mutex_init(&state->hab_mutex);
800 801
801 if ((ret = bcm3510_readB(state,0xe0,&v)) < 0) 802 if ((ret = bcm3510_readB(state,0xe0,&v)) < 0)
802 goto error; 803 goto error;