linux-kernel - Re: [PATCH] usbnet: prevent device rpm suspend in usbnet

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Date:   Mon, 07 Nov 2016 12:02:05 +0100
From:   Oliver Neukum <oneukum@...e.com>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe
 function

On Fri, 2016-11-04 at 17:57 +0800, Kai-Heng Feng wrote:
> Sometimes cdc_mbim failed to probe if runtime pm is enabled:
> [    9.305626] cdc_mbim: probe of 2-2:1.12 failed with error -22
> 
> This can be solved by increase its pm usage counter.
> 
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>

For the record:

NAK. This fixes a symptom. If this patch helps something is broken in
device core. We need to find that.

	Regards
		Oliver