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authorSascha Hauer <s.hauer@pengutronix.de>2019-11-28 10:27:01 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2019-11-28 10:30:08 +0100
commit2237de0cb5638258135fcf104d570ccf9e0971a1 (patch)
tree55f5fffae0cdc771e2ca26e669226e518e6dd8d6 /drivers/net
parent904d2c2c358457c97370724920da75868527533f (diff)
downloadbarebox-2237de0cb5638258135fcf104d570ccf9e0971a1.tar.gz
net: fsl-fman: Disable unused network interfaces
The Linux dts files have all network interfaces enabled. We have to disable the ones that are unused. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/fsl-fman.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/net/fsl-fman.c b/drivers/net/fsl-fman.c
index 4e6bb2e..153d4f9 100644
--- a/drivers/net/fsl-fman.c
+++ b/drivers/net/fsl-fman.c
@@ -1333,3 +1333,41 @@ static struct driver_d fman_driver = {
.of_compatible = DRV_OF_COMPAT(fsl_fman_dt_ids),
};
device_platform_driver(fman_driver);
+
+static int fman_of_fixup(struct device_node *root, void *context)
+{
+ struct device_node *fman, *fman_bb;
+ struct device_node *child, *child_bb;
+
+ fman_bb = of_find_compatible_node(NULL, NULL, "fsl,fman");
+ fman = of_find_compatible_node(root, NULL, "fsl,fman");
+
+ /*
+ * The dts files in the Linux tree have all network interfaces
+ * enabled. Disable the ones that are disabled under barebox
+ * as well.
+ */
+ for_each_child_of_node(fman, child) {
+ if (!of_device_is_compatible(child, "fsl,fman-memac"))
+ continue;
+
+ child_bb = of_get_child_by_name(fman_bb, child->name);
+ if (!child_bb)
+ continue;
+
+ if (of_device_is_available(child_bb))
+ of_device_enable(child);
+ else
+ of_device_disable(child);
+ }
+
+ return 0;
+}
+
+static int fman_register_of_fixup(void)
+{
+ of_register_fixup(fman_of_fixup, NULL);
+
+ return 0;
+}
+late_initcall(fman_register_of_fixup);