diff options
| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-10 17:51:25 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-21 14:49:04 +0400 |
| commit | a9b9fbdf0a6a65359cd97254a282526822de5257 (patch) | |
| tree | e65d8cf85fd26a49b75d8ef8c3d29ac849ae00c1 | |
| parent | 4cce1f4eb29765def538e7c975dac73346a0d306 (diff) | |
| download | linux-a9b9fbdf0a6a65359cd97254a282526822de5257.tar.xz | |
[media] siano: don't request statistics too fast
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@redhat.com>
| -rw-r--r-- | drivers/media/common/siano/smsdvb-main.c | 5 | ||||
| -rw-r--r-- | drivers/media/common/siano/smsdvb.h | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/common/siano/smsdvb-main.c b/drivers/media/common/siano/smsdvb-main.c index c14f10d5d6c0..4242005082ed 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 09982bcf2535..34220696d87d 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; |