diff mbox series

[U-Boot,v3,01/31] dm: core: Allow uclass to set up a device's child after it is probed

Message ID 1539595287-31378-2-git-send-email-bmeng.cn@gmail.com
State Accepted
Delegated to: Simon Glass
Headers show
Series virtio: Introduce VirtIO driver support | expand

Commit Message

Bin Meng Oct. 15, 2018, 9:20 a.m. UTC
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>
---

Changes in v3: None
Changes in v2: None

 drivers/core/uclass.c | 13 ++++++++++++-
 include/dm/uclass.h   |  4 +++-
 2 files changed, 15 insertions(+), 2 deletions(-)

Comments

Simon Glass Oct. 19, 2018, 3:27 a.m. UTC | #1
On 15 October 2018 at 03:20, Bin Meng <bmeng.cn@gmail.com> wrote:
> 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>
> ---
>
> Changes in v3: None
> Changes in v2: None
>
>  drivers/core/uclass.c | 13 ++++++++++++-
>  include/dm/uclass.h   |  4 +++-
>  2 files changed, 15 insertions(+), 2 deletions(-)

Reviewed-by: Simon Glass <sjg@chromium.org>
Simon Glass Oct. 24, 2018, 5:32 p.m. UTC | #2
On 15 October 2018 at 03:20, Bin Meng <bmeng.cn@gmail.com> wrote:
> 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>
> ---
>
> Changes in v3: None
> Changes in v2: None
>
>  drivers/core/uclass.c | 13 ++++++++++++-
>  include/dm/uclass.h   |  4 +++-
>  2 files changed, 15 insertions(+), 2 deletions(-)

Reviewed-by: Simon Glass <sjg@chromium.org>

Applied to u-boot-dm/next, thanks!
diff mbox series

Patch

diff --git a/drivers/core/uclass.c b/drivers/core/uclass.c
index 3113d6a..3c7b9cf 100644
--- a/drivers/core/uclass.c
+++ b/drivers/core/uclass.c
@@ -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);
 
diff --git a/include/dm/uclass.h b/include/dm/uclass.h
index eebf2d5..4ef0d0f 100644
--- a/include/dm/uclass.h
+++ b/include/dm/uclass.h
@@ -61,7 +61,8 @@  struct udevice;
  * @post_probe: Called after a new device is probed
  * @pre_remove: Called before a device is removed
  * @child_post_bind: Called after a child is bound to a device in this uclass
- * @child_pre_probe: Called before a child is probed in this uclass
+ * @child_pre_probe: Called before a child in this uclass is probed
+ * @child_post_probe: Called after a child in this uclass is probed
  * @init: Called to set up the uclass
  * @destroy: Called to destroy the uclass
  * @priv_auto_alloc_size: If non-zero this is the size of the private data
@@ -94,6 +95,7 @@  struct uclass_driver {
 	int (*pre_remove)(struct udevice *dev);
 	int (*child_post_bind)(struct udevice *dev);
 	int (*child_pre_probe)(struct udevice *dev);
+	int (*child_post_probe)(struct udevice *dev);
 	int (*init)(struct uclass *class);
 	int (*destroy)(struct uclass *class);
 	int priv_auto_alloc_size;