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authorDaniel Mack <zonque@gmail.com>2014-06-18 11:01:41 +0200
committerDavid S. Miller <davem@davemloft.net>2014-06-21 15:50:00 -0700
commit2b8f2a28eac1d35a432705d269f02bdaeba9be8f (patch)
treef7115b72a1f524f7edfaf75b0d60146a104dd2bf /include
parent916c1689a09bc1ca81f2d7a34876f8d35aadd11b (diff)
net: phylib: add link_change_notify callback to phy device
Add a notify callback to inform phy drivers when the core is about to do its link adjustment. No change for drivers that do not implement this callback. Signed-off-by: Daniel Mack <zonque@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/phy.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 864ddafad8cc..68041446c450 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -536,6 +536,15 @@ struct phy_driver {
/* See set_wol, but for checking whether Wake on LAN is enabled. */
void (*get_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol);
+ /*
+ * Called to inform a PHY device driver when the core is about to
+ * change the link state. This callback is supposed to be used as
+ * fixup hook for drivers that need to take action when the link
+ * state changes. Drivers are by no means allowed to mess with the
+ * PHY device structure in their implementations.
+ */
+ void (*link_change_notify)(struct phy_device *dev);
+
struct device_driver driver;
};
#define to_phy_driver(d) container_of(d, struct phy_driver, driver)

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