2bf9ea6a31
Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
124 lines
3.6 KiB
Diff
124 lines
3.6 KiB
Diff
From: Russell King <rmk+kernel@arm.linux.org.uk>
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Date: Thu, 1 Oct 2015 23:10:05 +0100
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Subject: [PATCH] phylink: add module EEPROM support
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Add support for reading module EEPROMs through phylink.
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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---
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--- a/drivers/net/phy/phylink.c
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+++ b/drivers/net/phy/phylink.c
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@@ -930,6 +930,36 @@ int phylink_ethtool_set_pauseparam(struc
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}
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EXPORT_SYMBOL_GPL(phylink_ethtool_set_pauseparam);
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+int phylink_ethtool_get_module_info(struct phylink *pl,
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+ struct ethtool_modinfo *modinfo)
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+{
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+ int ret = -EOPNOTSUPP;
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+
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+ mutex_lock(&pl->config_mutex);
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+ if (pl->module_ops)
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+ ret = pl->module_ops->get_module_info(pl->module_data,
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+ modinfo);
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+ mutex_unlock(&pl->config_mutex);
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+
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+ return ret;
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+}
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+EXPORT_SYMBOL_GPL(phylink_ethtool_get_module_info);
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+
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+int phylink_ethtool_get_module_eeprom(struct phylink *pl,
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+ struct ethtool_eeprom *ee, u8 *buf)
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+{
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+ int ret = -EOPNOTSUPP;
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+
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+ mutex_lock(&pl->config_mutex);
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+ if (pl->module_ops)
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+ ret = pl->module_ops->get_module_eeprom(pl->module_data, ee,
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+ buf);
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+ mutex_unlock(&pl->config_mutex);
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+
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+ return ret;
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+}
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+EXPORT_SYMBOL_GPL(phylink_ethtool_get_module_eeprom);
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+
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int phylink_init_eee(struct phylink *pl, bool clk_stop_enable)
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{
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int ret = -EPROTONOSUPPORT;
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@@ -1115,6 +1145,39 @@ EXPORT_SYMBOL_GPL(phylink_mii_ioctl);
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+int phylink_register_module(struct phylink *pl, void *data,
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+ const struct phylink_module_ops *ops)
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+{
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+ int ret = -EBUSY;
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+
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+ mutex_lock(&pl->config_mutex);
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+ if (!pl->module_ops) {
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+ pl->module_ops = ops;
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+ pl->module_data = data;
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+ ret = 0;
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+ }
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+ mutex_unlock(&pl->config_mutex);
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+
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+ return ret;
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+}
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+EXPORT_SYMBOL_GPL(phylink_register_module);
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+
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+int phylink_unregister_module(struct phylink *pl, void *data)
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+{
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+ int ret = -EINVAL;
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+
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+ mutex_lock(&pl->config_mutex);
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+ if (pl->module_data == data) {
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+ pl->module_ops = NULL;
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+ pl->module_data = NULL;
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+ ret = 0;
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+ }
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+ mutex_unlock(&pl->config_mutex);
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+
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+ return ret;
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+}
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+EXPORT_SYMBOL_GPL(phylink_unregister_module);
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+
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void phylink_disable(struct phylink *pl)
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{
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set_bit(PHYLINK_DISABLE_LINK, &pl->phylink_disable_state);
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--- a/include/linux/phylink.h
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+++ b/include/linux/phylink.h
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@@ -74,6 +74,11 @@ struct phylink_mac_ops {
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struct phy_device *);
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};
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+struct phylink_module_ops {
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+ int (*get_module_info)(void *, struct ethtool_modinfo *);
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+ int (*get_module_eeprom)(void *, struct ethtool_eeprom *, u8 *);
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+};
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+
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struct phylink *phylink_create(struct net_device *, struct device_node *,
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phy_interface_t iface, const struct phylink_mac_ops *ops);
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void phylink_destroy(struct phylink *);
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@@ -96,12 +101,19 @@ void phylink_ethtool_get_pauseparam(stru
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struct ethtool_pauseparam *);
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int phylink_ethtool_set_pauseparam(struct phylink *,
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struct ethtool_pauseparam *);
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+int phylink_ethtool_get_module_info(struct phylink *, struct ethtool_modinfo *);
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+int phylink_ethtool_get_module_eeprom(struct phylink *,
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+ struct ethtool_eeprom *, u8 *);
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int phylink_init_eee(struct phylink *, bool);
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int phylink_get_eee_err(struct phylink *);
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int phylink_ethtool_get_eee(struct phylink *, struct ethtool_eee *);
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int phylink_ethtool_set_eee(struct phylink *, struct ethtool_eee *);
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int phylink_mii_ioctl(struct phylink *, struct ifreq *, int);
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+int phylink_register_module(struct phylink *, void *,
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+ const struct phylink_module_ops *);
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+int phylink_unregister_module(struct phylink *, void *);
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+
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int phylink_set_link(struct phylink *pl, unsigned int mode, u8 port,
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const unsigned long *support);
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void phylink_disable(struct phylink *pl);
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