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[PATCH 3.12 40/72] stmmac: Correctly report PTP capabilities.

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  [PATCH 3.12 40/72] stmmac: Correctly report PTP capabilities. Jiri Slaby <jslaby@suse.cz> - 2015-11-23 14:20 +0100

#1275319 — [PATCH 3.12 40/72] stmmac: Correctly report PTP capabilities.

From: Phil Reid <preid@electromag.com.au>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

[ Upstream commit e6dbe1eb2db0d7a14991c06278dd3030c45fb825 ]

priv->hwts_*_en indicate if timestamping is enabled/disabled at run
time. But  priv->dma_cap.time_stamp  and priv->dma_cap.atime_stamp
indicates HW is support for PTPv1/PTPv2.

Signed-off-by: Phil Reid <preid@electromag.com.au>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index c5f9cb85c8ef..ff08be535a4d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -731,10 +731,13 @@ static int stmmac_get_ts_info(struct net_device *dev,
 {
 	struct stmmac_priv *priv = netdev_priv(dev);
 
-	if ((priv->hwts_tx_en) && (priv->hwts_rx_en)) {
+	if ((priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) {
 
-		info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
+		info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
+					SOF_TIMESTAMPING_TX_HARDWARE |
+					SOF_TIMESTAMPING_RX_SOFTWARE |
 					SOF_TIMESTAMPING_RX_HARDWARE |
+					SOF_TIMESTAMPING_SOFTWARE |
 					SOF_TIMESTAMPING_RAW_HARDWARE;
 
 		if (priv->ptp_clock)
-- 
2.6.3

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