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author | Sascha Hauer <s.hauer@pengutronix.de> | 2020-09-25 11:09:59 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-10-12 16:30:17 +0200 |
commit | 4dee9d16c01cec6f290f9ff25cda72416c8d2d3f (patch) | |
tree | 6ca40f110dfad0658f0f0749b2cd09d81d20f493 /drivers | |
parent | 9ddd7b037101828457867f21f54745f2f93a5406 (diff) | |
download | barebox-4dee9d16c01cec6f290f9ff25cda72416c8d2d3f.tar.gz barebox-4dee9d16c01cec6f290f9ff25cda72416c8d2d3f.tar.xz |
of: Add common device tree register function
The different architectures duplicate some code around unflattening and
registering the device tree. Add common functions to reduce this
duplication.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/of/base.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c index 0a2632f963..4e88af7b22 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -1567,6 +1567,34 @@ int of_set_root_node(struct device_node *node) return 0; } +void barebox_register_of(struct device_node *root) +{ + if (root_node) + return; + + of_fix_tree(root); + of_set_root_node(root); + + if (IS_ENABLED(CONFIG_OFDEVICE)) + of_probe(); +} + +void barebox_register_fdt(const void *dtb) +{ + struct device_node *root; + + if (root_node) + return; + + root = of_unflatten_dtb(dtb); + if (IS_ERR(root)) { + pr_err("Cannot unflatten dtb: %pe\n", root); + return; + } + + barebox_register_of(root); +} + /** * of_device_is_available - check if a device is available for use * |