Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

On Mon, Nov 14, 2016 at 3:34 PM, Kai-Heng Feng wrote: > On Fri, Nov 11, 2016 at 10:44 PM, Mathias Nyman > wrote: >> On 10.11.2016 13:22, Oliver Neukum wrote: >>> >>> On Thu, 2016-11-10 at 12:09 +0100, Bjørn Mork wrote:

Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

On 10.11.2016 13:22, Oliver Neukum wrote: On Thu, 2016-11-10 at 12:09 +0100, Bjørn Mork wrote: Kai-Heng Feng writes: On Wed, Nov 9, 2016 at 8:32 PM, Bjørn Mork wrote: Oliver Neukum writes: On Tue, 2016-11-08 at 13:44 -0500,

Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

Alan Stern writes: > On Thu, 10 Nov 2016, Kai-Heng Feng wrote: > >> Is there a way to force XHCI run at HighSpeed? > > Yes, like I said above: Use a USB-2 cable instead of a USB-3 cable. It's an m.2 form factor modem, so there most likely isn't any cable involved. But

Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

On Thu, 10 Nov 2016, Kai-Heng Feng wrote: > Hi, > > On Wed, Nov 9, 2016 at 8:32 PM, Bjørn Mork wrote: > > Oliver Neukum writes: > > > >> On Tue, 2016-11-08 at 13:44 -0500, Alan Stern wrote: > >> > >>> These problems could very well be caused by running at

Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

On Thu, 2016-11-10 at 12:09 +0100, Bjørn Mork wrote: > Kai-Heng Feng writes: > > On Wed, Nov 9, 2016 at 8:32 PM, Bjørn Mork wrote: > >> Oliver Neukum writes: > >> > >>> On Tue, 2016-11-08 at 13:44 -0500, Alan Stern wrote: > >>> >

Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

Kai-Heng Feng writes: > On Wed, Nov 9, 2016 at 8:32 PM, Bjørn Mork wrote: >> Oliver Neukum writes: >> >>> On Tue, 2016-11-08 at 13:44 -0500, Alan Stern wrote: >>> These problems could very well be caused by running at SuperSpeed

Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

Hi, On Wed, Nov 9, 2016 at 8:32 PM, Bjørn Mork wrote: > Oliver Neukum writes: > >> On Tue, 2016-11-08 at 13:44 -0500, Alan Stern wrote: >> >>> These problems could very well be caused by running at SuperSpeed >>> (USB-3) instead of high speed (USB-2). Yes, it's

Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

Oliver Neukum writes: > On Tue, 2016-11-08 at 13:44 -0500, Alan Stern wrote: > >> These problems could very well be caused by running at SuperSpeed >> (USB-3) instead of high speed (USB-2). >> >> Is there any way to test what happens when the device is attached to >> the

Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

On Tue, 2016-11-08 at 13:44 -0500, Alan Stern wrote: > These problems could very well be caused by running at SuperSpeed > (USB-3) instead of high speed (USB-2). > > Is there any way to test what happens when the device is attached to > the computer by a USB-2 cable? That would prevent it from

Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

On Tue, 8 Nov 2016, Bjørn Mork wrote: > Alan Stern writes: > > > On Tue, 8 Nov 2016, Kai-Heng Feng wrote: > > > >> Hi, > >> > >> On Mon, Nov 7, 2016 at 7:02 PM, Oliver Neukum wrote: > >> > On Fri, 2016-11-04 at 17:57 +0800, Kai-Heng Feng wrote: >

Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

Alan Stern writes: > On Tue, 8 Nov 2016, Kai-Heng Feng wrote: > >> Hi, >> >> On Mon, Nov 7, 2016 at 7:02 PM, Oliver Neukum wrote: >> > On Fri, 2016-11-04 at 17:57 +0800, Kai-Heng Feng wrote: >> >> Sometimes cdc_mbim failed to probe if runtime pm is

Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

On Tue, 8 Nov 2016, Kai-Heng Feng wrote: > Hi, > > On Mon, Nov 7, 2016 at 7:02 PM, Oliver Neukum wrote: > > 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

Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

Hi, On Mon, Nov 7, 2016 at 7:02 PM, Oliver Neukum wrote: > 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

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

Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

On Fri, 2016-11-04 at 09:26 -0400, Alan Stern wrote: > On Fri, 4 Nov 2016, 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. >

Re: [PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

On Fri, 4 Nov 2016, 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. This should not be needed. The USB core increments the PM usage

[PATCH] usbnet: prevent device rpm suspend in usbnet_probe function

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 --- drivers/net/usb/usbnet.c | 7 ++- 1 file changed,