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baab6587a5
Rename LINUXFAMILY: marvell to mvebu Replace default kernel with 4.4.x branch from dev configuration
145 lines
4.3 KiB
Diff
145 lines
4.3 KiB
Diff
From: Russell King <rmk+kernel@arm.linux.org.uk>
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Subject: [PATCH 25/30] phylink: add module EEPROM support
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MIME-Version: 1.0
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Content-Disposition: inline
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Content-Transfer-Encoding: 8bit
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Content-Type: text/plain; charset="utf-8"
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Add support for reading module EEPROMs through phylink.
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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---
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drivers/net/phy/phylink.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++
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include/linux/phylink.h | 12 +++++++++
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2 files changed, 78 insertions(+)
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diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
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index 82492db0fd04..cd56d454c587 100644
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--- a/drivers/net/phy/phylink.c
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+++ b/drivers/net/phy/phylink.c
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@@ -60,6 +60,9 @@ struct phylink {
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struct work_struct resolve;
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bool mac_link_up;
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+
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+ const struct phylink_module_ops *module_ops;
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+ void *module_data;
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};
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static const char *phylink_an_mode_str(unsigned int mode)
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@@ -800,6 +803,36 @@ int phylink_ethtool_set_pauseparam(struct phylink *pl,
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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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@@ -996,6 +1029,39 @@ 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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diff --git a/include/linux/phylink.h b/include/linux/phylink.h
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index 361fbe9222b2..01d442b08e62 100644
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--- a/include/linux/phylink.h
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+++ b/include/linux/phylink.h
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@@ -55,6 +55,11 @@ 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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@@ -75,12 +80,19 @@ void phylink_ethtool_get_pauseparam(struct phylink *,
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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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void phylink_set_link_port(struct phylink *pl, u32 support, u8 port);
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int phylink_set_link_an_mode(struct phylink *pl, unsigned int mode);
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void phylink_disable(struct phylink *pl);
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--
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2.1.0
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