diff options
author | merge <null@invalid> | 2009-01-22 13:55:32 +0000 |
---|---|---|
committer | Andy Green <agreen@octopus.localdomain> | 2009-01-22 13:55:32 +0000 |
commit | aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch) | |
tree | fbb786d0ac6f8a774fd834e9ce951197e60fbffa /drivers/net/phy/phy_device.c | |
parent | f2d78193eae5dccd3d588d2c8ea0866efc368332 (diff) |
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040
stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch
mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'drivers/net/phy/phy_device.c')
-rw-r--r-- | drivers/net/phy/phy_device.c | 90 |
1 files changed, 57 insertions, 33 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index e11b03b2b25..0a06e4fd37d 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -74,7 +74,7 @@ int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask, if (!fixup) return -ENOMEM; - strncpy(fixup->bus_id, bus_id, BUS_ID_SIZE); + strlcpy(fixup->bus_id, bus_id, sizeof(fixup->bus_id)); fixup->phy_uid = phy_uid; fixup->phy_uid_mask = phy_uid_mask; fixup->run = run; @@ -109,7 +109,7 @@ EXPORT_SYMBOL(phy_register_fixup_for_id); */ static int phy_needs_fixup(struct phy_device *phydev, struct phy_fixup *fixup) { - if (strcmp(fixup->bus_id, phydev->dev.bus_id) != 0) + if (strcmp(fixup->bus_id, dev_name(&phydev->dev)) != 0) if (strcmp(fixup->bus_id, PHY_ANY_ID) != 0) return 0; @@ -227,8 +227,8 @@ struct phy_device * get_phy_device(struct mii_bus *bus, int addr) if (r) return ERR_PTR(r); - /* If the phy_id is all Fs, there is no device there */ - if (0xffffffff == phy_id) + /* If the phy_id is mostly Fs, there is no device there */ + if ((phy_id & 0x1fffffff) == 0x1fffffff) return NULL; dev = phy_device_create(bus, addr, phy_id); @@ -508,23 +508,6 @@ int genphy_setup_forced(struct phy_device *phydev) err = phy_write(phydev, MII_BMCR, ctl); - if (err < 0) - return err; - - /* - * Run the fixups on this PHY, just in case the - * board code needs to change something after a reset - */ - err = phy_scan_fixups(phydev); - - if (err < 0) - return err; - - /* We just reset the device, so we'd better configure any - * settings the PHY requires to operate */ - if (phydev->drv->config_init) - err = phydev->drv->config_init(phydev); - return err; } @@ -564,20 +547,32 @@ EXPORT_SYMBOL(genphy_restart_aneg); */ int genphy_config_aneg(struct phy_device *phydev) { - int result = 0; + int result; - if (AUTONEG_ENABLE == phydev->autoneg) { - int result = genphy_config_advert(phydev); + if (AUTONEG_ENABLE != phydev->autoneg) + return genphy_setup_forced(phydev); - if (result < 0) /* error */ - return result; + result = genphy_config_advert(phydev); - /* Only restart aneg if we are advertising something different - * than we were before. */ - if (result > 0) - result = genphy_restart_aneg(phydev); - } else - result = genphy_setup_forced(phydev); + if (result < 0) /* error */ + return result; + + if (result == 0) { + /* Advertisment hasn't changed, but maybe aneg was never on to + * begin with? Or maybe phy was isolated? */ + int ctl = phy_read(phydev, MII_BMCR); + + if (ctl < 0) + return ctl; + + if (!(ctl & BMCR_ANENABLE) || (ctl & BMCR_ISOLATE)) + result = 1; /* do restart aneg */ + } + + /* Only restart aneg if we are advertising something different + * than we were before. */ + if (result > 0) + result = genphy_restart_aneg(phydev); return result; } @@ -758,7 +753,35 @@ static int genphy_config_init(struct phy_device *phydev) return 0; } +int genphy_suspend(struct phy_device *phydev) +{ + int value; + + mutex_lock(&phydev->lock); + value = phy_read(phydev, MII_BMCR); + phy_write(phydev, MII_BMCR, (value | BMCR_PDOWN)); + + mutex_unlock(&phydev->lock); + + return 0; +} +EXPORT_SYMBOL(genphy_suspend); + +int genphy_resume(struct phy_device *phydev) +{ + int value; + + mutex_lock(&phydev->lock); + + value = phy_read(phydev, MII_BMCR); + phy_write(phydev, MII_BMCR, (value & ~BMCR_PDOWN)); + + mutex_unlock(&phydev->lock); + + return 0; +} +EXPORT_SYMBOL(genphy_resume); /** * phy_probe - probe and init a PHY device @@ -834,7 +857,6 @@ int phy_driver_register(struct phy_driver *new_driver) { int retval; - memset(&new_driver->driver, 0, sizeof(new_driver->driver)); new_driver->driver.name = new_driver->name; new_driver->driver.bus = &mdio_bus_type; new_driver->driver.probe = phy_probe; @@ -869,6 +891,8 @@ static struct phy_driver genphy_driver = { .features = 0, .config_aneg = genphy_config_aneg, .read_status = genphy_read_status, + .suspend = genphy_suspend, + .resume = genphy_resume, .driver = {.owner= THIS_MODULE, }, }; |