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authorDave Airlie <airlied@redhat.com>2009-08-20 13:38:04 +1000
committerDave Airlie <airlied@redhat.com>2009-08-20 13:38:04 +1000
commit51c8b4071d84d46cc100baa5931ad06b2a823c95 (patch)
tree098cf9d41ce1c548d922708a770a9efe35e434df /drivers/of
parenta987fcaa805fcb24ba885c2e29fd4fdb6816f08f (diff)
parent6c30c53fd5ae6a99a23ad78e90c428d2c8ffb07f (diff)
Merge Linus master to drm-next
linux-next conflict reported needed resolution. Conflicts: drivers/gpu/drm/drm_crtc.c drivers/gpu/drm/drm_edid.c drivers/gpu/drm/i915/intel_sdvo.c drivers/gpu/drm/radeon/radeon_ttm.c drivers/gpu/drm/ttm/ttm_bo.c
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/of_mdio.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index aee967d7f76..bacaa536fd5 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -9,6 +9,10 @@
* out of the OpenFirmware device tree and using it to populate an mii_bus.
*/
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/netdevice.h>
+#include <linux/err.h>
#include <linux/phy.h>
#include <linux/of.h>
#include <linux/of_mdio.h>
@@ -137,3 +141,41 @@ struct phy_device *of_phy_connect(struct net_device *dev,
return phy_connect_direct(dev, phy, hndlr, flags, iface) ? NULL : phy;
}
EXPORT_SYMBOL(of_phy_connect);
+
+/**
+ * of_phy_connect_fixed_link - Parse fixed-link property and return a dummy phy
+ * @dev: pointer to net_device claiming the phy
+ * @hndlr: Link state callback for the network device
+ * @iface: PHY data interface type
+ *
+ * This function is a temporary stop-gap and will be removed soon. It is
+ * only to support the fs_enet, ucc_geth and gianfar Ethernet drivers. Do
+ * not call this function from new drivers.
+ */
+struct phy_device *of_phy_connect_fixed_link(struct net_device *dev,
+ void (*hndlr)(struct net_device *),
+ phy_interface_t iface)
+{
+ struct device_node *net_np;
+ char bus_id[MII_BUS_ID_SIZE + 3];
+ struct phy_device *phy;
+ const u32 *phy_id;
+ int sz;
+
+ if (!dev->dev.parent)
+ return NULL;
+
+ net_np = dev_archdata_get_node(&dev->dev.parent->archdata);
+ if (!net_np)
+ return NULL;
+
+ phy_id = of_get_property(net_np, "fixed-link", &sz);
+ if (!phy_id || sz < sizeof(*phy_id))
+ return NULL;
+
+ sprintf(bus_id, PHY_ID_FMT, "0", phy_id[0]);
+
+ phy = phy_connect(dev, bus_id, hndlr, 0, iface);
+ return IS_ERR(phy) ? NULL : phy;
+}
+EXPORT_SYMBOL(of_phy_connect_fixed_link);