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authorRussell King <rmk+kernel@armlinux.org.uk>2019-11-15 22:56:51 +0300
committerDavid S. Miller <davem@davemloft.net>2019-11-19 03:56:13 +0300
commit298e54fa810e027f1b0800d789eb862592721f08 (patch)
tree60f14e6e9aebd6650353732d3edf69cc2b491781 /drivers/net/phy/phy.c
parentfb3d8bcde6df5565ba8a2d823eeb2928b6101d62 (diff)
downloadlinux-298e54fa810e027f1b0800d789eb862592721f08.tar.xz
net: phy: add core phylib sfp support
Add core phylib help for supporting SFP sockets on PHYs. This provides a mechanism to inform the SFP layer about PHY up/down events, and also unregister the SFP bus when the PHY is going away. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy/phy.c')
-rw-r--r--drivers/net/phy/phy.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 105d389b58e7..36d4ffe1cd3f 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -23,6 +23,7 @@
#include <linux/ethtool.h>
#include <linux/phy.h>
#include <linux/phy_led_triggers.h>
+#include <linux/sfp.h>
#include <linux/workqueue.h>
#include <linux/mdio.h>
#include <linux/io.h>
@@ -841,6 +842,9 @@ void phy_stop(struct phy_device *phydev)
mutex_lock(&phydev->lock);
+ if (phydev->sfp_bus)
+ sfp_upstream_stop(phydev->sfp_bus);
+
phydev->state = PHY_HALTED;
mutex_unlock(&phydev->lock);
@@ -875,6 +879,9 @@ void phy_start(struct phy_device *phydev)
goto out;
}
+ if (phydev->sfp_bus)
+ sfp_upstream_start(phydev->sfp_bus);
+
/* if phy was suspended, bring the physical link up again */
__phy_resume(phydev);