diff options
| author | Vadim Fedorenko <vadim.fedorenko@linux.dev> | 2025-11-24 18:11:46 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-11-26 16:56:33 -0800 |
| commit | f467777efbfb8034d813b601b961b25f777b3d37 (patch) | |
| tree | a68919a6796401cd11db2b12beb43f54255c2c59 /net/core/dev_ioctl.c | |
| parent | 6aac2aa2dfae38b60f22c3dfe4103ceefbe2d761 (diff) | |
phy: add hwtstamp_get callback to phy drivers
PHY devices had lack of hwtstamp_get callback even though most of them
are tracking configuration info. Introduce new call back to
mii_timestamper.
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20251124181151.277256-3-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/dev_ioctl.c')
| -rw-r--r-- | net/core/dev_ioctl.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c index 0720ccc14df9..53a53357cfef 100644 --- a/net/core/dev_ioctl.c +++ b/net/core/dev_ioctl.c @@ -249,10 +249,11 @@ int net_hwtstamp_validate(const struct kernel_hwtstamp_config *cfg) * * Helper for calling the default hardware provider timestamping. * - * Note: phy_mii_ioctl() only handles SIOCSHWTSTAMP (not SIOCGHWTSTAMP), and - * there only exists a phydev->mii_ts->hwtstamp() method. So this will return - * -EOPNOTSUPP for phylib for now, which is still more accurate than letting - * the netdev handle the GET request. + * Note: phy_mii_ioctl() only handles SIOCSHWTSTAMP (not SIOCGHWTSTAMP), but + * phydev->mii_ts has both hwtstamp_get() and hwtstamp_set() methods. So this + * will return -EOPNOTSUPP for phylib only if hwtstamp_get() is not + * implemented for now, which is still more accurate than letting the netdev + * handle the GET request. */ int dev_get_hwtstamp_phylib(struct net_device *dev, struct kernel_hwtstamp_config *cfg) |