Merge tag 'irqchip-core-3.18' of git://git.infradead.org/users/jcooper/linux into irq/core

irqchip core changes for v3.18

 - renesas: suspend to RAM, runtime PM, cleanups and DT binding docs
 - keystone: add new driver
 - hip04: add Hisilicon HiP04 driver (without touching irq-gic.c)
 - gic: Use defines instead of magic number, preserve v2 bybass bits
 - handle_domain_irq: common low level interrupt entry handler

1 files changed, 27 insertions, 0 deletions

diff --git a/include/linux/phy.h b/include/linux/phy.h
index 864ddafad8cc..ed39956b5613 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -536,6 +536,33 @@ struct phy_driver {
 	/* See set_wol, but for checking whether Wake on LAN is enabled. */
 	void (*get_wol)(struct phy_device *dev, struct ethtool_wolinfo *wol);
 
+	/*
+	 * Called to inform a PHY device driver when the core is about to
+	 * change the link state. This callback is supposed to be used as
+	 * fixup hook for drivers that need to take action when the link
+	 * state changes. Drivers are by no means allowed to mess with the
+	 * PHY device structure in their implementations.
+	 */
+	void (*link_change_notify)(struct phy_device *dev);
+
+	/* A function provided by a phy specific driver to override the
+	 * the PHY driver framework support for reading a MMD register
+	 * from the PHY. If not supported, return -1. This function is
+	 * optional for PHY specific drivers, if not provided then the
+	 * default MMD read function is used by the PHY framework.
+	 */
+	int (*read_mmd_indirect)(struct phy_device *dev, int ptrad,
+				 int devnum, int regnum);
+
+	/* A function provided by a phy specific driver to override the
+	 * the PHY driver framework support for writing a MMD register
+	 * from the PHY. This function is optional for PHY specific drivers,
+	 * if not provided then the default MMD read function is used by
+	 * the PHY framework.
+	 */
+	void (*write_mmd_indirect)(struct phy_device *dev, int ptrad,
+				   int devnum, int regnum, u32 val);
+
 	struct device_driver driver;
 };
 #define to_phy_driver(d) container_of(d, struct phy_driver, driver)