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From: Kory Maincent <kory.maincent@bootlin.com>
Date: Mon, 22 Apr 2024 14:50:18 +0200
Subject: [PATCH net-next v11 03/13] net: Make dev_get_hwtstamp_phylib
 accessible
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Message-Id: <20240422-feature_ptp_netnext-v11-3-f14441f2a1d8@bootlin.com>
References: <20240422-feature_ptp_netnext-v11-0-f14441f2a1d8@bootlin.com>
In-Reply-To: <20240422-feature_ptp_netnext-v11-0-f14441f2a1d8@bootlin.com>
To: Florian Fainelli <florian.fainelli@broadcom.com>, 
 Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>, 
 Andrew Lunn <andrew@lunn.ch>, Heiner Kallweit <hkallweit1@gmail.com>, 
 Russell King <linux@armlinux.org.uk>, 
 "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, 
 Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, 
 Richard Cochran <richardcochran@gmail.com>, 
 Radu Pirea <radu-nicolae.pirea@oss.nxp.com>, 
 Jay Vosburgh <j.vosburgh@gmail.com>, Andy Gospodarek <andy@greyhouse.net>, 
 Nicolas Ferre <nicolas.ferre@microchip.com>, 
 Claudiu Beznea <claudiu.beznea@tuxon.dev>, 
 Willem de Bruijn <willemdebruijn.kernel@gmail.com>, 
 Jonathan Corbet <corbet@lwn.net>, 
 Horatiu Vultur <horatiu.vultur@microchip.com>, UNGLinuxDriver@microchip.com, 
 Simon Horman <horms@kernel.org>, Vladimir Oltean <vladimir.oltean@nxp.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>, netdev@vger.kernel.org, 
 linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, 
 Maxime Chevallier <maxime.chevallier@bootlin.com>, 
 Rahul Rameshbabu <rrameshbabu@nvidia.com>, 
 Kory Maincent <kory.maincent@bootlin.com>

Make the dev_get_hwtstamp_phylib function accessible in prevision to use
it from ethtool to read the hwtstamp current configuration.

Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
---

Change in v8:
- New patch

Change in v10:
- Remove export symbol as ethtool can't be built as a module.
- Move the declaration to net/core/dev.h instead of netdevice.h
---
 net/core/dev.h       | 2 ++
 net/core/dev_ioctl.c | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/core/dev.h b/net/core/dev.h
index 39819fffece7..2236b14b798f 100644
--- a/net/core/dev.h
+++ b/net/core/dev.h
@@ -170,5 +170,7 @@ static inline void dev_xmit_recursion_dec(void)
 int dev_set_hwtstamp_phylib(struct net_device *dev,
 			    struct kernel_hwtstamp_config *cfg,
 			    struct netlink_ext_ack *extack);
+int dev_get_hwtstamp_phylib(struct net_device *dev,
+			    struct kernel_hwtstamp_config *cfg);
 
 #endif
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index b9719ed3c3fd..b8cf8c55fa2d 100644
--- a/net/core/dev_ioctl.c
+++ b/net/core/dev_ioctl.c
@@ -268,8 +268,8 @@ static int dev_eth_ioctl(struct net_device *dev,
  * -EOPNOTSUPP for phylib for now, which is still more accurate than letting
  * the netdev handle the GET request.
  */
-static int dev_get_hwtstamp_phylib(struct net_device *dev,
-				   struct kernel_hwtstamp_config *cfg)
+int dev_get_hwtstamp_phylib(struct net_device *dev,
+			    struct kernel_hwtstamp_config *cfg)
 {
 	if (phy_has_hwtstamp(dev->phydev))
 		return phy_hwtstamp_get(dev->phydev, cfg);

-- 
2.34.1