[RFC net-next 03/11] net: dsa: provide a switch device device tree node pointer
From: Florian Fainelli <f.fainelli@gmail.com>
Date: 2014-05-14 05:01:18
Subsystem:
networking [dsa], networking [general], the rest · Maintainers:
Andrew Lunn, Vladimir Oltean, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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> --- include/net/dsa.h | 7 +++++++ net/dsa/dsa.c | 1 + 2 files changed, 8 insertions(+)
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 0ada9c814ff9..9a16c5290738 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h@@ -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,
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 0eb5d5e76dfb..7808dbceff96 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c@@ -410,6 +410,7 @@ static int dsa_of_probe(struct platform_device *pdev) for_each_available_child_of_node(np, child) { cd = &pd->chip[chip_index]; + cd->of_node = child; cd->mii_bus = &mdio_bus->dev; sw_addr = of_get_property(child, "reg", NULL);
--
1.9.1