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Message-ID: <4AE6CB6A.5050600@gaisler.com>
Date: Tue, 27 Oct 2009 11:28:58 +0100
From: Kristoffer Glembo <kristoffer@...sler.com>
To: netdev@...r.kernel.org
Subject: phy_connect_direct problem
Hi,
I'm in the process of converting an ethernet driver to using the PHY
layer, but ran into a problem where my adjust_state handler was never
called and the link did not go up ...
I use phy_connect to connect the PHY device with my ethernet driver. In
phy_connect_direct I found the following code:
phy_prepare_link(phydev, handler);
phy_start_machine(phydev, NULL);
So first the adjust_state is set to handler by phy_prepare_link and then
it is overwritten with the NULL parameter passed to phy_start_machine.
Maybe I'm abusing the PHY layer somehow since there are plenty of other
drivers using this interface. However the patch below solved the issue
for me.
Best regards,
Kristoffer Glembo
---
drivers/net/phy/phy_device.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index b10fedd..d27ca80 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -311,8 +311,7 @@ int phy_connect_direct(struct net_device *dev,
struct phy_device *phydev,
if (rc)
return rc;
- phy_prepare_link(phydev, handler);
- phy_start_machine(phydev, NULL);
+ phy_start_machine(phydev, handler);
if (phydev->irq > 0)
phy_start_interrupts(phydev);
--
1.5.2.2
--
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