On 9/27/24 9:01 AM, Venkatesh Yadav Abbarapu wrote:
The .bind function is implemented to bind the correct
"half" of the hub that the driver wants to bind,
and returning -ENODEV for the other "half".
Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbar...@amd.com>
---
common/usb_onboard_hub.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/common/usb_onboard_hub.c b/common/usb_onboard_hub.c
index 00808ed45e..9c50ca09c9 100644
--- a/common/usb_onboard_hub.c
+++ b/common/usb_onboard_hub.c
@@ -162,6 +162,25 @@ err:
return ret;
}
+static int usb_onboard_hub_bind(struct udevice *dev)
+{
+ struct ofnode_phandle_args phandle;
+ const void *fdt = gd->fdt_blob;
+ int ret, off;
+
+ if (dev_read_phandle_with_args(dev, "peer-hub", NULL, 0, 0, &phandle)) {
Return the error code:
ret = dev_read_phandle_with_args()
if (ret) {
...
return ret;
}
+ dev_err(dev, "peer-hub not specified\n");
+ return -ENOENT;
+ }
+
+ off = ofnode_to_offset(phandle.node);
+ ret = fdt_node_check_compatible(fdt, off, "usb424,5744");
return fdt_node_check_compatible(...);
