Re: [PATCH v4 0/3] driver core: add enumeration failure uevent helper

Re: [PATCH v4 0/3] driver core: add enumeration failure uevent helper

[Greg KH]

On Tue, May 26, 2026 at 06:23:15PM +0000, Akshay Gujar wrote:
> Hotpluggable buses can detect that a device is physically present, but
> enumeration may still fail early due to protocol-level errors. Today,
> such failures are only reported via kernel log messages, with no
> structured userspace notification.
>  
> This series introduces a small, generic helper in the driver core that
> emits a KOBJ_CHANGE uevent when enumeration fails, and wires it into the
> USB hub enumeration failure path as an initial user.
>  
> The USB change is intentionally minimal and serves as an initial user of
> the generic helper. Other subsystems may use the helper independently if
> needed.

These seem to have never made it to the public lore.kernel.org site,
which means the email was never seen by the lists.  Any ideas what went
wrong on your side?

If you resend this, and it makes it to the public lists, I can take it
as it looks good (nit, change patch 2 to reflect the 7.3 kernel release)

thanks,

greg k-h