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 <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
