On Tue, Sep 11, 2018 at 10:43:10AM -0700, Jon Flatley wrote:
> After commit 1cbd53c8cd85 ("usb: core: introduce per-port over-current
> counters") usb ports expose a sysfs value 'over_current_count'
> to user space. This value on its own is not very useful as it requires
> manual polling.
>
> As a solution, fire a udev event from the usb hub device that specifies
> the values 'OVER_CURRENT_PORT' and 'OVER_CURRENT_COUNT' that indicate
> the path of the usb port where the over-current event occurred and the
> value of 'over_current_count' in sysfs. Additionally, call
> sysfs_notify() so the sysfs value supports poll().
>
> Signed-off-by: Jon Flatley <jflat@xxxxxxxxxxxx>
> ---
> Documentation/ABI/testing/sysfs-bus-usb | 9 ++++++-
> drivers/usb/core/hub.c | 36 +++++++++++++++++++++++++
> 2 files changed, 44 insertions(+), 1 deletion(-)
This patch doesn't apply against my usb-next branch at the moment.
Can you rebase it and resend?
thanks,
greg k-h
