As each DVBv3 call may generate an stats overhead, prevent doing
it too fast. This is specially useful if a burst of get stats
DVBv3 call is sent.
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
---
drivers/media/common/siano/smsdvb-main.c | 5 +++++
drivers/media/common/siano/smsdvb.h | 2 ++
2 files changed, 7 insertions(+)
diff --git a/drivers/media/common/siano/smsdvb-main.c b/drivers/media/common/siano/smsdvb-main.c
index c14f10d..4242005 100644
--- a/drivers/media/common/siano/smsdvb-main.c
+++ b/drivers/media/common/siano/smsdvb-main.c
@@ -663,6 +663,11 @@ static int smsdvb_send_statistics_request(struct smsdvb_client_t *client)
int rc;
struct SmsMsgHdr_ST Msg;
+ /* Don't request stats too fast */
+ if (client->get_stats_jiffies &&
+ (!time_after(jiffies, client->get_stats_jiffies)))
+ return 0;
+ client->get_stats_jiffies = jiffies + msecs_to_jiffies(100);
Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID;
Msg.msgDstId = HIF_TASK;
diff --git a/drivers/media/common/siano/smsdvb.h b/drivers/media/common/siano/smsdvb.h
index 09982bc..3422069 100644
--- a/drivers/media/common/siano/smsdvb.h
+++ b/drivers/media/common/siano/smsdvb.h
@@ -52,6 +52,8 @@ struct smsdvb_client_t {
int event_fe_state;
int event_unc_state;
+ unsigned long get_stats_jiffies;
+
/* Stats debugfs data */
struct dentry *debugfs;
--
1.8.1.4
--
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