Re: USB-C device hotplug issue

2018-11-13 Thread Dennis Wassenberg
On 09.11.18 14:47, Mathias Nyman wrote: > On 07.11.2018 11:08, Dennis Wassenberg wrote: >> >> On 05.11.18 16:35, Mathias Nyman wrote: >>> On 26.10.2018 17:07, Alan Stern wrote: On Fri, 26 Oct 2018, Dennis Wassenberg wrote: >>> --- a/drivers/usb/core/hub.c >>> +++ b/drivers/usb/cor

Re: USB-C device hotplug issue

2018-11-09 Thread Mathias Nyman
On 07.11.2018 11:08, Dennis Wassenberg wrote: On 05.11.18 16:35, Mathias Nyman wrote: On 26.10.2018 17:07, Alan Stern wrote: On Fri, 26 Oct 2018, Dennis Wassenberg wrote: --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2815,7 +2815,9 @@ static int hub_port_reset(struct usb_hub

Re: USB-C device hotplug issue

2018-11-07 Thread Dennis Wassenberg
On 05.11.18 16:35, Mathias Nyman wrote: > On 26.10.2018 17:07, Alan Stern wrote: >> On Fri, 26 Oct 2018, Dennis Wassenberg wrote: >> > --- a/drivers/usb/core/hub.c > +++ b/drivers/usb/core/hub.c > @@ -2815,7 +2815,9 @@ static int hub_port_reset(struct usb_hub *hub, int > port1, >

Re: USB-C device hotplug issue

2018-11-05 Thread Mathias Nyman
On 26.10.2018 17:07, Alan Stern wrote: On Fri, 26 Oct 2018, Dennis Wassenberg wrote: --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2815,7 +2815,9 @@ static int hub_port_reset(struct usb_hub *hub, int port1, USB_PORT_FEAT_C_BH_PORT_RESET);

Re: USB-C device hotplug issue

2018-10-26 Thread Alan Stern
On Fri, 26 Oct 2018, Dennis Wassenberg wrote: > >> --- a/drivers/usb/core/hub.c > >> +++ b/drivers/usb/core/hub.c > >> @@ -2815,7 +2815,9 @@ static int hub_port_reset(struct usb_hub *hub, int > >> port1, > >>USB_PORT_FEAT_C_BH_PORT_RESET); > >>

Re: USB-C device hotplug issue

2018-10-26 Thread Dennis Wassenberg
Hi all, On 10/25/18 4:46 PM, Alan Stern wrote: > On Thu, 25 Oct 2018, Dennis Wassenberg wrote: > >> Hi all, >> >> I have a question regarding the usb hub driver (drivers/usb/core/hub.c). >> >> There is the following scenario. I am using the Lenovo T580 device with the >> Lenovo UltraDock CS18 d

Re: USB-C device hotplug issue

2018-10-25 Thread Alan Stern
On Thu, 25 Oct 2018, Dennis Wassenberg wrote: > Hi all, > > I have a question regarding the usb hub driver (drivers/usb/core/hub.c). > > There is the following scenario. I am using the Lenovo T580 device with the > Lenovo UltraDock CS18 docking station. If I plug an usb-c device to the > docki

Re: USB-C device hotplug issue

2018-10-25 Thread Dennis Wassenberg
Hi, Using kernel 4.19 its exactly the same behavior. Best regards, Dennis On 25.10.18 14:28, Greg Kroah-Hartman wrote: > On Thu, Oct 25, 2018 at 02:20:50PM +0200, Dennis Wassenberg wrote: >> The code change for Kernel 4.14 look as follows: > > 4.14 is a year old now, can you try 4.19 to see i

Re: USB-C device hotplug issue

2018-10-25 Thread Greg Kroah-Hartman
On Thu, Oct 25, 2018 at 02:20:50PM +0200, Dennis Wassenberg wrote: > The code change for Kernel 4.14 look as follows: 4.14 is a year old now, can you try 4.19 to see if it works better? Lots of good xhci fixes and features have been added since then. thanks, greg k-h