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author | Hans Verkuil <hans.verkuil@cisco.com> | 2017-07-11 03:30:35 -0300 |
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committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-07-18 12:47:02 -0300 |
commit | 0861ad14c6cfc9dc8bcde44bc23a7a355167eb9f (patch) | |
tree | 268a284828236215bd52a68abd9743c296d0305c /drivers/media/cec | |
parent | bb789e03f2a140a80ddc7d18b7ef4d626c2a71d8 (diff) | |
download | linux-stable-0861ad14c6cfc9dc8bcde44bc23a7a355167eb9f.tar.gz linux-stable-0861ad14c6cfc9dc8bcde44bc23a7a355167eb9f.tar.bz2 linux-stable-0861ad14c6cfc9dc8bcde44bc23a7a355167eb9f.zip |
media: cec: add *_ts variants for transmit_done/received_msg
Currently the transmit_(attempt_)done and received_msg functions set
the timestamp themselves. For the upcoming low-level pin API we need
to pass this as an argument instead. So make _ts variants that allow
the caller to specify the timestamp.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/cec')
-rw-r--r-- | drivers/media/cec/cec-adap.c | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c index 7bd4d7d8713c..82c1633f5b92 100644 --- a/drivers/media/cec/cec-adap.c +++ b/drivers/media/cec/cec-adap.c @@ -471,12 +471,12 @@ unlock: /* * Called by the CEC adapter if a transmit finished. */ -void cec_transmit_done(struct cec_adapter *adap, u8 status, u8 arb_lost_cnt, - u8 nack_cnt, u8 low_drive_cnt, u8 error_cnt) +void cec_transmit_done_ts(struct cec_adapter *adap, u8 status, + u8 arb_lost_cnt, u8 nack_cnt, u8 low_drive_cnt, + u8 error_cnt, ktime_t ts) { struct cec_data *data; struct cec_msg *msg; - u64 ts = ktime_get_ns(); dprintk(2, "%s: status %02x\n", __func__, status); mutex_lock(&adap->lock); @@ -496,7 +496,7 @@ void cec_transmit_done(struct cec_adapter *adap, u8 status, u8 arb_lost_cnt, /* Drivers must fill in the status! */ WARN_ON(status == 0); - msg->tx_ts = ts; + msg->tx_ts = ktime_to_ns(ts); msg->tx_status |= status; msg->tx_arb_lost_cnt += arb_lost_cnt; msg->tx_nack_cnt += nack_cnt; @@ -559,25 +559,26 @@ wake_thread: unlock: mutex_unlock(&adap->lock); } -EXPORT_SYMBOL_GPL(cec_transmit_done); +EXPORT_SYMBOL_GPL(cec_transmit_done_ts); -void cec_transmit_attempt_done(struct cec_adapter *adap, u8 status) +void cec_transmit_attempt_done_ts(struct cec_adapter *adap, + u8 status, ktime_t ts) { switch (status) { case CEC_TX_STATUS_OK: - cec_transmit_done(adap, status, 0, 0, 0, 0); + cec_transmit_done_ts(adap, status, 0, 0, 0, 0, ts); return; case CEC_TX_STATUS_ARB_LOST: - cec_transmit_done(adap, status, 1, 0, 0, 0); + cec_transmit_done_ts(adap, status, 1, 0, 0, 0, ts); return; case CEC_TX_STATUS_NACK: - cec_transmit_done(adap, status, 0, 1, 0, 0); + cec_transmit_done_ts(adap, status, 0, 1, 0, 0, ts); return; case CEC_TX_STATUS_LOW_DRIVE: - cec_transmit_done(adap, status, 0, 0, 1, 0); + cec_transmit_done_ts(adap, status, 0, 0, 1, 0, ts); return; case CEC_TX_STATUS_ERROR: - cec_transmit_done(adap, status, 0, 0, 0, 1); + cec_transmit_done_ts(adap, status, 0, 0, 0, 1, ts); return; default: /* Should never happen */ @@ -585,7 +586,7 @@ void cec_transmit_attempt_done(struct cec_adapter *adap, u8 status) return; } } -EXPORT_SYMBOL_GPL(cec_transmit_attempt_done); +EXPORT_SYMBOL_GPL(cec_transmit_attempt_done_ts); /* * Called when waiting for a reply times out. @@ -721,7 +722,8 @@ int cec_transmit_msg_fh(struct cec_adapter *adap, struct cec_msg *msg, if (msg->timeout) dprintk(2, "%s: %*ph (wait for 0x%02x%s)\n", - __func__, msg->len, msg->msg, msg->reply, !block ? ", nb" : ""); + __func__, msg->len, msg->msg, msg->reply, + !block ? ", nb" : ""); else dprintk(2, "%s: %*ph%s\n", __func__, msg->len, msg->msg, !block ? " (nb)" : ""); @@ -918,7 +920,8 @@ static const u8 cec_msg_size[256] = { }; /* Called by the CEC adapter if a message is received */ -void cec_received_msg(struct cec_adapter *adap, struct cec_msg *msg) +void cec_received_msg_ts(struct cec_adapter *adap, + struct cec_msg *msg, ktime_t ts) { struct cec_data *data; u8 msg_init = cec_msg_initiator(msg); @@ -946,7 +949,7 @@ void cec_received_msg(struct cec_adapter *adap, struct cec_msg *msg) cec_has_log_addr(adap, msg_init)) return; - msg->rx_ts = ktime_get_ns(); + msg->rx_ts = ktime_to_ns(ts); msg->rx_status = CEC_RX_STATUS_OK; msg->sequence = msg->reply = msg->timeout = 0; msg->tx_status = 0; @@ -1111,7 +1114,7 @@ void cec_received_msg(struct cec_adapter *adap, struct cec_msg *msg) */ cec_receive_notify(adap, msg, is_reply); } -EXPORT_SYMBOL_GPL(cec_received_msg); +EXPORT_SYMBOL_GPL(cec_received_msg_ts); /* Logical Address Handling */ |