[U-Boot] [PATCH 05/10] net: designware: Add a post-started hook

Sjoerd Simons sjoerd.simons at collabora.co.uk
Thu Oct 1 11:48:08 CEST 2015


Add the ability for e.g. drivers subclassing to register a function to
be called after ethernet initialisation. This is useful if e.g. the
driver needs to change configuration based on the negotiated speed.

Signed-off-by: Sjoerd Simons <sjoerd.simons at collabora.co.uk>
---

 drivers/net/designware.c | 11 ++++++++++-
 drivers/net/designware.h |  4 ++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 0b7adc9..da27041 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -564,8 +564,17 @@ int designware_initialize(ulong base_addr, u32 interface)
 static int designware_eth_start(struct udevice *dev)
 {
 	struct eth_pdata *pdata = dev_get_platdata(dev);
+	struct dw_eth_dev *priv = dev_get_priv(dev);
+	int ret;
 
-	return _dw_eth_init(dev->priv, pdata->enetaddr);
+	ret = _dw_eth_init(priv, pdata->enetaddr);
+	if (ret)
+		return ret;
+
+	if (priv->started)
+		ret = priv->started(dev);
+
+	return ret;
 }
 
 static int designware_eth_send(struct udevice *dev, void *packet, int length)
diff --git a/drivers/net/designware.h b/drivers/net/designware.h
index 47e727b..b45599b 100644
--- a/drivers/net/designware.h
+++ b/drivers/net/designware.h
@@ -236,6 +236,10 @@ struct dw_eth_dev {
 #endif
 	struct phy_device *phydev;
 	struct mii_dev *bus;
+
+#ifdef CONFIG_DM_ETH
+	int (*started)(struct udevice *dev);
+#endif
 };
 
 #ifdef CONFIG_DM_ETH
-- 
2.5.3



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