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authorJonathan Corbet <corbet@lwn.net>2016-12-27 12:53:44 -0700
committerJonathan Corbet <corbet@lwn.net>2016-12-27 12:53:44 -0700
commit54ab6db0909061ab7ee07233d3cab86d29f86e6c (patch)
treea7650ab5c0fa3a6a3841de8e8693041b3e009054 /include/linux/phy_led_triggers.h
parent217e2bfab22e740227df09f22165e834cddd8a3b (diff)
parent7ce7d89f48834cefece7804d38fc5d85382edf77 (diff)
Merge tag 'v4.10-rc1' into docs-next
Linux 4.10-rc1
Diffstat (limited to 'include/linux/phy_led_triggers.h')
-rw-r--r--include/linux/phy_led_triggers.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/include/linux/phy_led_triggers.h b/include/linux/phy_led_triggers.h
new file mode 100644
index 000000000000..a2daea0a37d2
--- /dev/null
+++ b/include/linux/phy_led_triggers.h
@@ -0,0 +1,51 @@
+/* Copyright (C) 2016 National Instruments Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#ifndef __PHY_LED_TRIGGERS
+#define __PHY_LED_TRIGGERS
+
+struct phy_device;
+
+#ifdef CONFIG_LED_TRIGGER_PHY
+
+#include <linux/leds.h>
+
+#define PHY_LED_TRIGGER_SPEED_SUFFIX_SIZE 10
+#define PHY_MII_BUS_ID_SIZE (20 - 3)
+
+#define PHY_LINK_LED_TRIGGER_NAME_SIZE (PHY_MII_BUS_ID_SIZE + \
+ FIELD_SIZEOF(struct mdio_device, addr)+\
+ PHY_LED_TRIGGER_SPEED_SUFFIX_SIZE)
+
+struct phy_led_trigger {
+ struct led_trigger trigger;
+ char name[PHY_LINK_LED_TRIGGER_NAME_SIZE];
+ unsigned int speed;
+};
+
+
+extern int phy_led_triggers_register(struct phy_device *phy);
+extern void phy_led_triggers_unregister(struct phy_device *phy);
+extern void phy_led_trigger_change_speed(struct phy_device *phy);
+
+#else
+
+static inline int phy_led_triggers_register(struct phy_device *phy)
+{
+ return 0;
+}
+static inline void phy_led_triggers_unregister(struct phy_device *phy) { }
+static inline void phy_led_trigger_change_speed(struct phy_device *phy) { }
+
+#endif
+
+#endif