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authormerge <null@invalid>2009-01-22 13:55:32 +0000
committerAndy Green <agreen@octopus.localdomain>2009-01-22 13:55:32 +0000
commitaa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch)
treefbb786d0ac6f8a774fd834e9ce951197e60fbffa /drivers/net/phy/phy_device.c
parentf2d78193eae5dccd3d588d2c8ea0866efc368332 (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.c90
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, },
};