linux/drivers/net/phy/smsc.c
Uwe Kleine-König cf93c94581 net/phy: fix many "defined but unused" warnings
MODULE_DEVICE_TABLE only expands to something if it's compiled
for a module.  So when building-in support for the phys, the
mdio_device_id tables are unused.  Marking them with __maybe_unused
fixes the following warnings:

	drivers/net/phy/bcm63xx.c:134: warning: 'bcm63xx_tbl' defined but not used
	drivers/net/phy/broadcom.c:933: warning: 'broadcom_tbl' defined but not used
	drivers/net/phy/cicada.c:162: warning: 'cicada_tbl' defined but not used
	drivers/net/phy/davicom.c:222: warning: 'davicom_tbl' defined but not used
	drivers/net/phy/et1011c.c:114: warning: 'et1011c_tbl' defined but not used
	drivers/net/phy/icplus.c:137: warning: 'icplus_tbl' defined but not used
	drivers/net/phy/lxt.c:226: warning: 'lxt_tbl' defined but not used
	drivers/net/phy/marvell.c:724: warning: 'marvell_tbl' defined but not used
	drivers/net/phy/micrel.c:234: warning: 'micrel_tbl' defined but not used
	drivers/net/phy/national.c:154: warning: 'ns_tbl' defined but not used
	drivers/net/phy/qsemi.c:141: warning: 'qs6612_tbl' defined but not used
	drivers/net/phy/realtek.c:82: warning: 'realtek_tbl' defined but not used
	drivers/net/phy/smsc.c:257: warning: 'smsc_tbl' defined but not used
	drivers/net/phy/ste10Xp.c:135: warning: 'ste10Xp_tbl' defined but not used
	drivers/net/phy/vitesse.c:195: warning: 'vitesse_tbl' defined but not used

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-05 00:34:29 -07:00

266 lines
6.6 KiB
C

/*
* drivers/net/phy/smsc.c
*
* Driver for SMSC PHYs
*
* Author: Herbert Valerio Riedel
*
* Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
*
* 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.
*
* Support added for SMSC LAN8187 and LAN8700 by steve.glendinning@smsc.com
*
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/phy.h>
#include <linux/netdevice.h>
#define MII_LAN83C185_ISF 29 /* Interrupt Source Flags */
#define MII_LAN83C185_IM 30 /* Interrupt Mask */
#define MII_LAN83C185_CTRL_STATUS 17 /* Mode/Status Register */
#define MII_LAN83C185_ISF_INT1 (1<<1) /* Auto-Negotiation Page Received */
#define MII_LAN83C185_ISF_INT2 (1<<2) /* Parallel Detection Fault */
#define MII_LAN83C185_ISF_INT3 (1<<3) /* Auto-Negotiation LP Ack */
#define MII_LAN83C185_ISF_INT4 (1<<4) /* Link Down */
#define MII_LAN83C185_ISF_INT5 (1<<5) /* Remote Fault Detected */
#define MII_LAN83C185_ISF_INT6 (1<<6) /* Auto-Negotiation complete */
#define MII_LAN83C185_ISF_INT7 (1<<7) /* ENERGYON */
#define MII_LAN83C185_ISF_INT_ALL (0x0e)
#define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \
(MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4 | \
MII_LAN83C185_ISF_INT7)
#define MII_LAN83C185_EDPWRDOWN (1 << 13) /* EDPWRDOWN */
static int smsc_phy_config_intr(struct phy_device *phydev)
{
int rc = phy_write (phydev, MII_LAN83C185_IM,
((PHY_INTERRUPT_ENABLED == phydev->interrupts)
? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS
: 0));
return rc < 0 ? rc : 0;
}
static int smsc_phy_ack_interrupt(struct phy_device *phydev)
{
int rc = phy_read (phydev, MII_LAN83C185_ISF);
return rc < 0 ? rc : 0;
}
static int smsc_phy_config_init(struct phy_device *phydev)
{
int rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS);
if (rc < 0)
return rc;
/* Enable energy detect mode for this SMSC Transceivers */
rc = phy_write(phydev, MII_LAN83C185_CTRL_STATUS,
rc | MII_LAN83C185_EDPWRDOWN);
if (rc < 0)
return rc;
return smsc_phy_ack_interrupt (phydev);
}
static int lan911x_config_init(struct phy_device *phydev)
{
return smsc_phy_ack_interrupt(phydev);
}
static struct phy_driver lan83c185_driver = {
.phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */
.phy_id_mask = 0xfffffff0,
.name = "SMSC LAN83C185",
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
| SUPPORTED_Asym_Pause),
.flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
/* basic functions */
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.config_init = smsc_phy_config_init,
/* IRQ related */
.ack_interrupt = smsc_phy_ack_interrupt,
.config_intr = smsc_phy_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE, }
};
static struct phy_driver lan8187_driver = {
.phy_id = 0x0007c0b0, /* OUI=0x00800f, Model#=0x0b */
.phy_id_mask = 0xfffffff0,
.name = "SMSC LAN8187",
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
| SUPPORTED_Asym_Pause),
.flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
/* basic functions */
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.config_init = smsc_phy_config_init,
/* IRQ related */
.ack_interrupt = smsc_phy_ack_interrupt,
.config_intr = smsc_phy_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE, }
};
static struct phy_driver lan8700_driver = {
.phy_id = 0x0007c0c0, /* OUI=0x00800f, Model#=0x0c */
.phy_id_mask = 0xfffffff0,
.name = "SMSC LAN8700",
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
| SUPPORTED_Asym_Pause),
.flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
/* basic functions */
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.config_init = smsc_phy_config_init,
/* IRQ related */
.ack_interrupt = smsc_phy_ack_interrupt,
.config_intr = smsc_phy_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE, }
};
static struct phy_driver lan911x_int_driver = {
.phy_id = 0x0007c0d0, /* OUI=0x00800f, Model#=0x0d */
.phy_id_mask = 0xfffffff0,
.name = "SMSC LAN911x Internal PHY",
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
| SUPPORTED_Asym_Pause),
.flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
/* basic functions */
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.config_init = lan911x_config_init,
/* IRQ related */
.ack_interrupt = smsc_phy_ack_interrupt,
.config_intr = smsc_phy_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE, }
};
static struct phy_driver lan8710_driver = {
.phy_id = 0x0007c0f0, /* OUI=0x00800f, Model#=0x0f */
.phy_id_mask = 0xfffffff0,
.name = "SMSC LAN8710/LAN8720",
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
| SUPPORTED_Asym_Pause),
.flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
/* basic functions */
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.config_init = smsc_phy_config_init,
/* IRQ related */
.ack_interrupt = smsc_phy_ack_interrupt,
.config_intr = smsc_phy_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
.driver = { .owner = THIS_MODULE, }
};
static int __init smsc_init(void)
{
int ret;
ret = phy_driver_register (&lan83c185_driver);
if (ret)
goto err1;
ret = phy_driver_register (&lan8187_driver);
if (ret)
goto err2;
ret = phy_driver_register (&lan8700_driver);
if (ret)
goto err3;
ret = phy_driver_register (&lan911x_int_driver);
if (ret)
goto err4;
ret = phy_driver_register (&lan8710_driver);
if (ret)
goto err5;
return 0;
err5:
phy_driver_unregister (&lan911x_int_driver);
err4:
phy_driver_unregister (&lan8700_driver);
err3:
phy_driver_unregister (&lan8187_driver);
err2:
phy_driver_unregister (&lan83c185_driver);
err1:
return ret;
}
static void __exit smsc_exit(void)
{
phy_driver_unregister (&lan8710_driver);
phy_driver_unregister (&lan911x_int_driver);
phy_driver_unregister (&lan8700_driver);
phy_driver_unregister (&lan8187_driver);
phy_driver_unregister (&lan83c185_driver);
}
MODULE_DESCRIPTION("SMSC PHY driver");
MODULE_AUTHOR("Herbert Valerio Riedel");
MODULE_LICENSE("GPL");
module_init(smsc_init);
module_exit(smsc_exit);
static struct mdio_device_id __maybe_unused smsc_tbl[] = {
{ 0x0007c0a0, 0xfffffff0 },
{ 0x0007c0b0, 0xfffffff0 },
{ 0x0007c0c0, 0xfffffff0 },
{ 0x0007c0d0, 0xfffffff0 },
{ 0x0007c0f0, 0xfffffff0 },
{ }
};
MODULE_DEVICE_TABLE(mdio, smsc_tbl);