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dm: core: Allow uclass to set up a device's child after it is probed

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Some buses need to set up their child devices after they are probed.
Support a common child_post_probe() method for the uclass.

With this change, the two APIs uclass_pre_probe_device() and
uclass_post_probe_device() become symmetric.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng
2018-10-15 02:20:57 -07:00
committed by Simon Glass
parent a6d4b0608b
commit 651d0c019a
2 changed files with 15 additions and 2 deletions
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13
drivers/core/uclass.c
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@@ -687,8 +687,19 @@ int uclass_pre_probe_device(struct udevice *dev)
int uclass_post_probe_device(struct udevice *dev)
{
struct uclass_driver *uc_drv = dev->uclass->uc_drv;
struct uclass_driver *uc_drv;
int ret;
if (dev->parent) {
uc_drv = dev->parent->uclass->uc_drv;
if (uc_drv->child_post_probe) {
ret = uc_drv->child_post_probe(dev);
if (ret)
return ret;
}
}
uc_drv = dev->uclass->uc_drv;
if (uc_drv->post_probe)
return uc_drv->post_probe(dev);