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| author |   Zhen Lei <thunder.leizhen@huawei.com> | 2015-08-25 12:08:22 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-17 22:11:50 -0700 |
| commit | 56f2de81e020c537f7e35550d13840143cb765cd (patch) | |
| tree | 7863e4bfe65656253a9f456bc704a1f4729c6a2c /drivers/of | |
| parent | debugfs: Add read-only/write-only bool file ops (diff) | |
| download | wireguard-linux-56f2de81e020c537f7e35550d13840143cb765cd.tar.xz wireguard-linux-56f2de81e020c537f7e35550d13840143cb765cd.zip | |
of: to support binding numa node to specified device in devicetree
For now, in function device_add, the new device will be forced to
inherit the numa node of its parent. But this will override the device's
numa node which configured in devicetree.
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/device.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/of/device.c b/drivers/of/device.c index 8b91ea241b10..e5f47cec75f3 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -60,11 +60,12 @@ int of_device_add(struct platform_device *ofdev) ofdev->name = dev_name(&ofdev->dev); ofdev->id = -1; - /* device_add will assume that this device is on the same node as - * the parent. If there is no parent defined, set the node - * explicitly */ - if (!ofdev->dev.parent) - set_dev_node(&ofdev->dev, of_node_to_nid(ofdev->dev.of_node)); + /* + * If this device has not binding numa node in devicetree, that is + * of_node_to_nid returns NUMA_NO_NODE. device_add will assume that this + * device is on the same node as the parent. + */ + set_dev_node(&ofdev->dev, of_node_to_nid(ofdev->dev.of_node)); return device_add(&ofdev->dev); } |