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net: dsa: introduce a .port_probe() method in struct dsa_ops

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Some drivers might want to execute code for each port at probe time, as
opposed to executing code just-in-time for the port selected for
networking.

To cater to that use case, introduce a .port_probe() callback method
into the DSA switch operations which is called for each available port,
at the end of dsa_port_probe().

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Tested-by: Michael Walle <michael@walle.cc>
This commit is contained in:
Vladimir Oltean
2021-08-24 15:00:41 +03:00
committed by Ramon Fried
parent 5eee5ab916
commit 4b46e83885
2 changed files with 12 additions and 1 deletions
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5
include/net/dsa.h
View File

@@ -57,7 +57,8 @@
/** /**
* struct dsa_ops - DSA operations * struct dsa_ops - DSA operations
* *
* @port_enable: Initialize a switch port for I/O. * @port_probe: Initialize a switch port.
* @port_enable: Enable I/O for a port.
* @port_disable: Disable I/O for a port. * @port_disable: Disable I/O for a port.
* @xmit: Insert the DSA tag for transmission. * @xmit: Insert the DSA tag for transmission.
* DSA drivers receive a copy of the packet with headroom and * DSA drivers receive a copy of the packet with headroom and
@@ -69,6 +70,8 @@
* master including any additional headers. * master including any additional headers.
*/ */
struct dsa_ops { struct dsa_ops {
int (*port_probe)(struct udevice *dev, int port,
struct phy_device *phy);
int (*port_enable)(struct udevice *dev, int port, int (*port_enable)(struct udevice *dev, int port,
struct phy_device *phy); struct phy_device *phy);
void (*port_disable)(struct udevice *dev, int port, void (*port_disable)(struct udevice *dev, int port,

8
net/dsa-uclass.c
View File

@@ -270,6 +270,7 @@ static void dsa_port_set_hwaddr(struct udevice *pdev, struct udevice *master)
static int dsa_port_probe(struct udevice *pdev) static int dsa_port_probe(struct udevice *pdev)
{ {
struct udevice *dev = dev_get_parent(pdev); struct udevice *dev = dev_get_parent(pdev);
struct dsa_ops *ops = dsa_get_ops(dev);
struct dsa_port_pdata *port_pdata; struct dsa_port_pdata *port_pdata;
struct dsa_priv *dsa_priv; struct dsa_priv *dsa_priv;
struct udevice *master; struct udevice *master;
@@ -299,6 +300,13 @@ static int dsa_port_probe(struct udevice *pdev)
dsa_port_set_hwaddr(pdev, master); dsa_port_set_hwaddr(pdev, master);
if (ops->port_probe) {
err = ops->port_probe(dev, port_pdata->index,
port_pdata->phy);
if (err)
return err;
}
return 0; return 0;
} }