Re: [PATCH v2] usb: core: added uevent for over-current

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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



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