Re: how to disable a xhci logical port?

2018-01-27 Thread Greg KH
On Fri, Jan 26, 2018 at 12:56:26PM -0600, Bin Liu wrote: > Hi, > > A xHCI controller has two logical ports, hs and ss port. Is it > possible to disable one port, for example the ss port? If so, how? Why would you want to do that? > By disable, I meant the xHCI driver doesn't see the port when th

[PATCH] usb: musb: fix enumeration after resume

2018-01-27 Thread Andreas Kemnade
On dm3730 there are enumeration problems after resume. Investigation led to the cause that the MUSB_POWER_SOFTCONN bit is not set. If it was set before suspend (because it was enabled via musb_pullup()), it is set in musb_restore_context() so the pullup is enabled. But then musb_start() is called w

Re: [PATCH v3 2/2] usb/gadget: Add driver for Aspeed SoC virtual hub

2018-01-27 Thread Benjamin Herrenschmidt
On Fri, 2018-01-26 at 12:55 +0800, Fengguang Wu wrote: > > > > > > UDCVDBG(vhub, "irq status=%08x, ep_acks=%08x ep_nacks=%08x\n", > > > > This is rather bogus too. m32r's readl() is returning unsigned long, it > > should be unsigned int or u32. > > Unfortunately m32r is marked orphaned in

Re: USB-C Devices only show up if connected at boot

2018-01-27 Thread Mike Lothian
On 26 January 2018 at 09:53, Mike Lothian wrote: > On 26 January 2018 at 08:31, Mika Westerberg > wrote: >> On Fri, Jan 26, 2018 at 08:07:56AM +, Mike Lothian wrote: >>> Whether CONFIG_HOTPLUG_PCI_ACPI=y or CONFIG_HOTPLUG_PCI_ACPI=n the >>> device doesn't show unless echo 1 > /sys/bus/pci/res

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2018-01-27 Thread 56484933
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[PATCH] usbip: fix protocol documentation

2018-01-27 Thread Alexandre Demers
Signed-off-by: Alexandre Demers --- Documentation/usb/usbip_protocol.txt | 8 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Documentation/usb/usbip_protocol.txt b/Documentation/usb/usbip_protocol.txt index 16b6fe27284c..23527101e2ea 100644 --- a/Documentation/usb/usbip_p

Re: [PATCH] usbip: fix protocol documentation

2018-01-27 Thread Alexandre Demers
Sorry, forget this patch, the comment was lost by my fault. I'm sending a the corrected patch in a few seconds. Alexandre Demers On 2018-01-28 01:47, Alexandre Demers wrote: > Signed-off-by: Alexandre Demers > --- > Documentation/usb/usbip_protocol.txt | 8 > 1 file changed, 4 insertio

[PATCH v2] usbip: fix protocol documentation

2018-01-27 Thread Alexandre Demers
While reading the document, I found what seems to be 4 mistakes: - 1 clarification: it seems more logical to say that the device driver on the client machine is for the "imported" USB device management, not for the "exported" devices; - 2 typos: "the the" and "completition -> completion";