Re: [PATCH] drivers: net: cpsw: Add support for fixed-link PHY

[David Miller]

From: Markus Brunner 
Date: Tue, 03 Nov 2015 22:09:51 +0100

> Add support for a fixed-link devicetree sub-node in case the the 
> cpsw MAC is directly connected to a non-mdio PHY/device. 
> 
> Signed-off-by: Markus Brunner 

Applied.
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Re: [PATCH] drivers: net: cpsw: Add support for fixed-link PHY

[Mugunthan V N]

On Wednesday 04 November 2015 02:39 AM, Markus Brunner wrote:
> Add support for a fixed-link devicetree sub-node in case the the 
> cpsw MAC is directly connected to a non-mdio PHY/device. 
> 
> Signed-off-by: Markus Brunner 

Looks good to me.

Acked-by: Mugunthan V N 

Regards
Mugunthan V N
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[PATCH] drivers: net: cpsw: Add support for fixed-link PHY

[Markus Brunner]

Add support for a fixed-link devicetree sub-node in case the the 
cpsw MAC is directly connected to a non-mdio PHY/device. 

Signed-off-by: Markus Brunner 

---
 Documentation/devicetree/bindings/net/cpsw.txt |5 +
 drivers/net/ethernet/ti/cpsw.c |   13 +
 2 files changed, 18 insertions(+)

diff -upNr linux-4.3.orig/Documentation/devicetree/bindings/net/cpsw.txt 
linux-4.3/Documentation/devicetree/bindings/net/cpsw.txt
--- linux-4.3.orig/Documentation/devicetree/bindings/net/cpsw.txt   
2015-11-03 17:21:40.0 +0100
+++ linux-4.3/Documentation/devicetree/bindings/net/cpsw.txt2015-11-02 
16:53:43.0 +0100
@@ -41,6 +41,11 @@ Optional properties:
 - mac-address  : See ethernet.txt file in the same directory
 - phy-handle   : See ethernet.txt file in the same directory
 
+Slave sub-nodes:
+- fixed-link   : See fixed-link.txt file in the same directory
+ Either the properties phy_id and phy-mode,
+ or the sub-node fixed-link can be specified
+
 Note: "ti,hwmods" field is used to fetch the base address and irq
 resources from TI, omap hwmod data base during device registration.
 Future plan is to migrate hwmod data base contents into device tree
diff -upNr linux-4.3.orig/drivers/net/ethernet/ti/cpsw.c 
linux-4.3/drivers/net/ethernet/ti/cpsw.c
--- linux-4.3.orig/drivers/net/ethernet/ti/cpsw.c   2015-11-03 
17:18:00.0 +0100
+++ linux-4.3/drivers/net/ethernet/ti/cpsw.c2015-11-03 17:04:08.0 
+0100
@@ -2037,6 +2037,19 @@ static int cpsw_probe_dt(struct cpsw_pri
continue;
 
priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0);
+   if (of_phy_is_fixed_link(slave_node)) {
+   struct phy_device *pd;
+
+   ret = of_phy_register_fixed_link(slave_node);
+   if (ret)
+   return ret;
+   pd = of_phy_find_device(slave_node);
+   if (!pd)
+   return -ENODEV;
+   snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
+PHY_ID_FMT, pd->bus->id, pd->phy_id);
+   goto no_phy_slave;
+   }
parp = of_get_property(slave_node, "phy_id", );
if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) {
dev_err(>dev, "Missing slave[%d] phy_id 
property\n", i);

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