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net: dsa: provide a switch device device tree node pointer

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We might need to fetch additional resources from the device tree node
pointer, such as register ranges or other properties. Keep a device_node
pointer around for this.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2014-08-27 17:04:49 -07:00 • committed by David S. Miller
parent 464c3668f0
commit fa981d9af8
2 changed files with 8 additions and 0 deletions
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7
include/net/dsa.h
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@ -15,6 +15,7 @@
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/of.h>
#define DSA_MAX_SWITCHES 4
#define DSA_MAX_PORTS 12
@ -26,6 +27,12 @@ struct dsa_chip_data {
struct device *mii_bus;
int sw_addr;
/* Device tree node pointer for this specific switch chip
* used during switch setup in case additional properties
* and resources needs to be used
*/
struct device_node *of_node;
/*
* The names of the switch's ports. Use "cpu" to
* designate the switch port that the cpu is connected to,