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net: dsa: mv88e6xxx: add port files

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The Marvell switches contains one internal SMI device per port, called
"Port Registers". Depending on the model, the addresses of these devices
start from 0x0, 0x8 or 0x10.

Start moving Port Registers specific code to their own files.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vivien Didelot 2016-11-04 03:23:26 +01:00 committed by David S. Miller
parent 5976c5f45c
commit 18abed211c
4 changed files with 57 additions and 16 deletions
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1
drivers/net/dsa/mv88e6xxx/Makefile
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@ -2,3 +2,4 @@ obj-$(CONFIG_NET_DSA_MV88E6XXX) += mv88e6xxx.o
mv88e6xxx-objs := chip.o mv88e6xxx-objs := chip.o
mv88e6xxx-objs += global1.o mv88e6xxx-objs += global1.o
mv88e6xxx-$(CONFIG_NET_DSA_MV88E6XXX_GLOBAL2) += global2.o mv88e6xxx-$(CONFIG_NET_DSA_MV88E6XXX_GLOBAL2) += global2.o
mv88e6xxx-objs += port.o

17
drivers/net/dsa/mv88e6xxx/chip.c
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@ -37,6 +37,7 @@
#include "mv88e6xxx.h" #include "mv88e6xxx.h"
#include "global1.h" #include "global1.h"
#include "global2.h" #include "global2.h"
#include "port.h"
static void assert_reg_lock(struct mv88e6xxx_chip *chip) static void assert_reg_lock(struct mv88e6xxx_chip *chip)
{ {
@ -221,22 +222,6 @@ int mv88e6xxx_write(struct mv88e6xxx_chip *chip, int addr, int reg, u16 val)
return 0; return 0;
} }
static int mv88e6xxx_port_read(struct mv88e6xxx_chip *chip, int port, int reg,
u16 *val)
{
int addr = chip->info->port_base_addr + port;
return mv88e6xxx_read(chip, addr, reg, val);
}
static int mv88e6xxx_port_write(struct mv88e6xxx_chip *chip, int port, int reg,
u16 val)
{
int addr = chip->info->port_base_addr + port;
return mv88e6xxx_write(chip, addr, reg, val);
}
static int mv88e6xxx_phy_read(struct mv88e6xxx_chip *chip, int phy, static int mv88e6xxx_phy_read(struct mv88e6xxx_chip *chip, int phy,
int reg, u16 *val) int reg, u16 *val)
{ {

31
drivers/net/dsa/mv88e6xxx/port.c Normal file
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@ -0,0 +1,31 @@
/*
* Marvell 88E6xxx Switch Port Registers support
*
* Copyright (c) 2008 Marvell Semiconductor
*
* Copyright (c) 2016 Vivien Didelot <vivien.didelot@savoirfairelinux.com>
*
* 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.
*/
#include "mv88e6xxx.h"
#include "port.h"
int mv88e6xxx_port_read(struct mv88e6xxx_chip *chip, int port, int reg,
u16 *val)
{
int addr = chip->info->port_base_addr + port;
return mv88e6xxx_read(chip, addr, reg, val);
}
int mv88e6xxx_port_write(struct mv88e6xxx_chip *chip, int port, int reg,
u16 val)
{
int addr = chip->info->port_base_addr + port;
return mv88e6xxx_write(chip, addr, reg, val);
}

24
drivers/net/dsa/mv88e6xxx/port.h Normal file
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@ -0,0 +1,24 @@
/*
* Marvell 88E6xxx Switch Port Registers support
*
* Copyright (c) 2008 Marvell Semiconductor
*
* Copyright (c) 2016 Vivien Didelot <vivien.didelot@savoirfairelinux.com>
*
* 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.
*/
#ifndef _MV88E6XXX_PORT_H
#define _MV88E6XXX_PORT_H
#include "mv88e6xxx.h"
int mv88e6xxx_port_read(struct mv88e6xxx_chip *chip, int port, int reg,
u16 *val);
int mv88e6xxx_port_write(struct mv88e6xxx_chip *chip, int port, int reg,
u16 val);
#endif /* _MV88E6XXX_PORT_H */