aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/phy/phy_device.c
diff options
context:
space:
mode:
authorJiri Pirko <jpirko@redhat.com>2010-02-04 10:23:02 -0800
committerDavid S. Miller <davem@davemloft.net>2010-02-04 10:23:02 -0800
commitf8f76db1db369f3a130ac3fd33e2eee5f1610d9c (patch)
tree808ba0be71bc55335afca100fc857d7f4e937b46 /drivers/net/phy/phy_device.c
parent6683ece36e3531fc8c75f69e7165c5f20930be88 (diff)
downloadlinux-linaro-android-f8f76db1db369f3a130ac3fd33e2eee5f1610d9c.tar.gz
libphy: add phy_find_first function
Many drivers do this in them manually. Now they can use this function. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy/phy_device.c')
-rw-r--r--drivers/net/phy/phy_device.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index adbc0fded13..db1794546c5 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -277,6 +277,22 @@ int phy_device_register(struct phy_device *phydev)
EXPORT_SYMBOL(phy_device_register);
/**
+ * phy_find_first - finds the first PHY device on the bus
+ * @bus: the target MII bus
+ */
+struct phy_device *phy_find_first(struct mii_bus *bus)
+{
+ int addr;
+
+ for (addr = 0; addr < PHY_MAX_ADDR; addr++) {
+ if (bus->phy_map[addr])
+ return bus->phy_map[addr];
+ }
+ return NULL;
+}
+EXPORT_SYMBOL(phy_find_first);
+
+/**
* phy_prepare_link - prepares the PHY layer to monitor link status
* @phydev: target phy_device struct
* @handler: callback function for link status change notifications