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[RFC,10/13] phylink: add module EEPROM support

Message ID E1da0Ql-0007M4-Op@rmk-PC.armlinux.org.uk
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Russell King July 25, 2017, 2:03 p.m. UTC 
Add support for reading module EEPROMs through phylink.

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 drivers/net/phy/phylink.c | 28 ++++++++++++++++++++++++++++
 include/linux/phylink.h   |  3 +++
 2 files changed, 31 insertions(+)
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Patch

diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 02082f4a8a95..026060c95b82 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -1020,6 +1020,34 @@  int phylink_ethtool_set_pauseparam(struct phylink *pl,
 }
 EXPORT_SYMBOL_GPL(phylink_ethtool_set_pauseparam);
 
+int phylink_ethtool_get_module_info(struct phylink *pl,
+				    struct ethtool_modinfo *modinfo)
+{
+	int ret = -EOPNOTSUPP;
+
+	WARN_ON(!lockdep_rtnl_is_held());
+
+	if (pl->sfp_bus)
+		ret = sfp_get_module_info(pl->sfp_bus, modinfo);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(phylink_ethtool_get_module_info);
+
+int phylink_ethtool_get_module_eeprom(struct phylink *pl,
+				      struct ethtool_eeprom *ee, u8 *buf)
+{
+	int ret = -EOPNOTSUPP;
+
+	WARN_ON(!lockdep_rtnl_is_held());
+
+	if (pl->sfp_bus)
+		ret = sfp_get_module_eeprom(pl->sfp_bus, ee, buf);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(phylink_ethtool_get_module_eeprom);
+
 int phylink_init_eee(struct phylink *pl, bool clk_stop_enable)
 {
 	int ret = -EPROTONOSUPPORT;
diff --git a/include/linux/phylink.h b/include/linux/phylink.h
index 76f054f39684..af67edd4ae38 100644
--- a/include/linux/phylink.h
+++ b/include/linux/phylink.h
@@ -125,6 +125,9 @@  void phylink_ethtool_get_pauseparam(struct phylink *,
 				    struct ethtool_pauseparam *);
 int phylink_ethtool_set_pauseparam(struct phylink *,
 				   struct ethtool_pauseparam *);
+int phylink_ethtool_get_module_info(struct phylink *, struct ethtool_modinfo *);
+int phylink_ethtool_get_module_eeprom(struct phylink *,
+				      struct ethtool_eeprom *, u8 *);
 int phylink_init_eee(struct phylink *, bool);
 int phylink_get_eee_err(struct phylink *);
 int phylink_ethtool_get_eee(struct phylink *, struct ethtool_eee *);