mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 10:56:11 +07:00
f20e6657a8
An integrated multiplexer uses same address space for "muxed bus selection" and "generation of mdio transaction" hence its good to register parent bus from mux driver. Hence added a mechanism where mux driver could register a parent bus and pass it down to framework via mdio_mux_init api. Signed-off-by: Pramod Kumar <pramod.kumar@broadcom.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
24 lines
603 B
C
24 lines
603 B
C
/*
|
|
* MDIO bus multiplexer framwork.
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 2011, 2012 Cavium, Inc.
|
|
*/
|
|
#ifndef __LINUX_MDIO_MUX_H
|
|
#define __LINUX_MDIO_MUX_H
|
|
#include <linux/device.h>
|
|
#include <linux/phy.h>
|
|
|
|
int mdio_mux_init(struct device *dev,
|
|
int (*switch_fn) (int cur, int desired, void *data),
|
|
void **mux_handle,
|
|
void *data,
|
|
struct mii_bus *mux_bus);
|
|
|
|
void mdio_mux_uninit(void *mux_handle);
|
|
|
|
#endif /* __LINUX_MDIO_MUX_H */
|