diff options
| author | Simon Glass <sjg@chromium.org> | 2015-01-25 15:27:10 (GMT) |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-01-30 00:09:56 (GMT) |
| commit | 83c7e434c9dd3ca81f8b763e23c1881b973bcf2f (patch) | |
| tree | c0fc096ee51bbcd66ccabd77826e236f49329845 /drivers/core/device.c | |
| parent | 1603bf3cc189da65362b83b85831e094a2fe8516 (diff) | |
| download | u-boot-fsl-qoriq-83c7e434c9dd3ca81f8b763e23c1881b973bcf2f.tar.xz | |
dm: core: Allow uclass to set up a device's child before it is probed
Some buses need to set up their devices before they can be used. This setup
may well be common to all buses in a particular uclass. Support a common
pre-probe method for the uclass, called before any bus devices are probed.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Diffstat (limited to 'drivers/core/device.c')
| -rw-r--r-- | drivers/core/device.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/core/device.c b/drivers/core/device.c index 78bc460..b73d3b8 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -227,6 +227,10 @@ int device_probe_child(struct udevice *dev, void *parent_priv) } dev->seq = seq; + ret = uclass_pre_probe_child(dev); + if (ret) + goto fail; + if (dev->parent && dev->parent->driver->child_pre_probe) { ret = dev->parent->driver->child_pre_probe(dev); if (ret) |